How to get better a...
 

[Closed] How to get better at photography?

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 Kit
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As the title, I'd like to improve my photography a bit. Currently I mess around with a Sony A100 with the stock 18-70mm lens, and almost always use the manual settings and shoot RAW. I usually do some minor tweaking of levels in PS and a bit of cropping too, where it seems appropriate.

My friends think I take good photos (I keep being told to enter competitions), but maybe I'm too critical because there's only a couple I've taken in the last few years that I think are really nice, and even then I wouldn't ever call them 'great'.

I don't want to think that I've reached the limits of the kit I own, but my photos never look as sharp as the ones I see that I really like, or the colours aren't as interesting. I don't know whether what I'm using is perfectly good, or the fact that its a 3.5yr old 1st generation Sony means that I'm never going to get the quality I'm after.

Of course good composition and an 'eye' for a photo clearly is more important, and I think you either have it or you don't. I don't know if I do or not! I certainly don't have much time to indulge in this particular hobby right now so getting lots of practice is difficult and I'm rarely inspired to make the most of what I'm around day-to-day (see my one-a-day photos: http://www.flickr.com/photos/gingerfox/sets/72157622990738057/) I also have bad eyes and have to wear glasses, so I often find it difficult to compose an image in the viewfinder as well as see the ISO, bracketing, F number etc on it. My photos are never straight which I find infuriating as I think I have a certain OCD to straighten stuff!

So, any wonderful tips to help me along. Is there an essential photography book, should I get involved in a group/club (any in Edinburgh?) or just plug away for years and years until I get it right?!

Cheers
Kit

 
Posted : 04/03/2010 2:20 pm
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or just plug away for years and years until I get it right?!

I've been trying for 36 years now...

 
Posted : 04/03/2010 2:22 pm
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simon, you still are trying. Very trying.

IthankyouverymuchindeedI'mhereallweekdotrytheveal.

 
Posted : 04/03/2010 2:25 pm
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simon, you still are trying. Very trying.

in that case I've been trying for 56 years...

 
Posted : 04/03/2010 2:28 pm
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You're on the right track by being constantly critical of your work. Never be satisfied and always look to improve and look at other's work for inspiration and technique.

I recommend taking David Bailey's advice and find a project to work on. He said. "Say you have a project to photograph mushrooms. You'll end up with a lot of photographs of mushrooms but you'll also have a few damn fine photographs of mushrooms."

 
Posted : 04/03/2010 2:31 pm
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I can hear Ti29er's stomach rumbling from here. Poor mite. With all these people trying to get better at photography they're quite literally eating from his plate. Poor bugger...

 
Posted : 04/03/2010 2:51 pm
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Join [url= http://www.ephotozine.com/ ]ephotozine[/url].

It is, IMHO, the best (and certainly the most active) photosite on the web. I learnt more on there than I did during my photography degree (although I may not have been paying very much attention during my stude days...).

Regular meet ups (booze-ups) are a great way to learn from folk. Members range from amateurs to pros - it's quite similar to this place, but perhaps a little more, emm, genteel 🙂

Free too!!

 
Posted : 04/03/2010 2:59 pm
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Join ephotozine.

it's too complicated - there are loads of sections 🙁

 
Posted : 04/03/2010 3:01 pm
 Kit
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lol at zokes, I'm not looking to earn a crust, just take pleasing photos.

cheers user, I'll have a look!

 
Posted : 04/03/2010 3:02 pm
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join a photo club. used to belong to local one when I got my first 35mm slr. entered monthly comps in various sections inc landscape, portrait, sport etc. Crits can be a bit like those celeb dancing progs 🙄 The portrait/glamour days are/were fun 😉
Now that I have a spanking new dslr I might join again next winter.
Find a college night class.
I did a 16wk one with this guy;
http://www.ed-baxter-photography.co.uk/

 
Posted : 04/03/2010 3:02 pm
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On a very quick glance, you have a good eye for composition so you need to understand in more detail the effects of depth of field against exposure against prevalent conditions as well as learning how to get more out of the image in post production. I am sure there will be lots of books on it but couldn't point you at one.

 
Posted : 04/03/2010 3:09 pm
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Can't give you much advice about pictures as your flickr account reveals you already take better shots than me 😳

But..

I also have bad eyes and have to wear glasses, so I often find it difficult to compose an image in the viewfinder

Not sure about Sony, but Nikon viewfinders have a dioptre correction (dial or slider) on them so you can adjust them to suit your eyes.

My photos are never straight which I find infuriating

You can get spirit-levels that fit in the hotshoe of the camera.
Or just get it more or less right, leave a bit of extra border and get busy with the Straighten tool in photoshop 🙂

 
Posted : 04/03/2010 3:12 pm
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Try the SWPP.
It's open to professionals and non-professionals alike.
There are many courses both within the society and advertising through them that you can look into.

Monthly competitions, peer critiques, mentoring, day and week courses, business seminars and so the list goes on.

Either way, you could do worse than have a good look since as a resource it's pretty good.

PS - I'd also advocate the photography magazines. They're an excellent way of learning and developing your skills. I can't recall which ones to go for as all I subscribe to now is the BJP.

 
Posted : 04/03/2010 3:14 pm
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simonfbarnes - Member

Join ephotozine.

it's too complicated - there are loads of sections 😥

It really isn't - start with forums - recent activity. You soon get used to the format 🙂

 
Posted : 04/03/2010 3:39 pm
 Kit
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Appreciate the advice - will do some reading when I get a chance and hopefully get involved in some local groups (saw a photo club advertised near my work earlier).

 
Posted : 04/03/2010 4:19 pm
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IMHO avoid photographic "clubs".

 
Posted : 04/03/2010 5:19 pm
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learn to forget the rules

 
Posted : 04/03/2010 5:21 pm
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learn to forget the rules

I remain unconvinced by this.

Surely most really good photos are following at least some basic aesthetic rules?
Any suitable examples of those that don't, but still work really well?

 
Posted : 04/03/2010 5:40 pm
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Any suitable examples of those that don't, but still work really well?

sorry I can't help as I've already forgotten what they are...

 
Posted : 04/03/2010 5:42 pm
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oh, I've got one: "Don't shoot into the sun"

 
Posted : 04/03/2010 5:45 pm
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Don't shoot into the sun

I think that one is more to do with the possibility of causing irreparable damage to your retina, rather than any particular aesthetic reason 😀

 
Posted : 04/03/2010 5:54 pm
 Kit
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oh, I've got one: "Don't shoot into the sun"

What, like these?
[img] [/img]

[img] [/img]

 
Posted : 04/03/2010 6:01 pm
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Kit, it was one of the rules to [b]forget[/b] 🙂

as for ephotozine, the first topic I happened upon was
"I wanted to achieve the blurred background I have seen on many photo's, but my Nikon D60 using 18-55 lens or 70- 300 I coulod not get a low enough F number so I bought the above 50mm. It should have been Auto focus, but did not, I thought it might have been the D60, but apparently it should work. My main problem was that even at 1.8 I could not get a blurred background even when my subject was six foot from the hedge. Is it me or is the lens faulty?"

which betrays even deeper levels of ignorance than on here 🙁 The idea that more depth of field could be a fault is truly wonderful :o) Perhaps hitting it with a hammer would make [b]everything[/b] in focus ?

 
Posted : 04/03/2010 6:05 pm
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I bet they are talking about the Nikon 50mm 1.8 which will definitely not autofocus with the D60.

And yes, the rest of the post is hilarious.

 
Posted : 04/03/2010 6:09 pm
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I like photographs , but i prefer proper art .

I know i know.....Calm down . jeebus .

If you want to get better at something , just do it loads .
You wont get much better after a relavitely short while , but over time you will work out what you can get away with .

Relatively speaking .

Look at Picasso .

Hemingway .

Hunter S thompson .

Sorry , kinda going off on one .

Just buy a really good camera . And point it at stuff . An Image will magically appear on your computer that you can ' adjust ' later.
It's dead easy . I just use me phone . I got it free for only 30 quid a month.....

Free I tell ya

 
Posted : 04/03/2010 6:11 pm
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I bet they are talking about the Nikon 50mm 1.8 which will definitely not autofocus with the D60.

yes

 
Posted : 04/03/2010 6:12 pm
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The confusion there is probably because there are two versions of the Nikon 50mm currently available - the older/cheaper body-driven one and the newer AFS one.

The thing with "rules" is that you're not supposed to try to follow ALL of them in every photo. (In fact that probably isn't possible)

Those shots are into the sun, but they still follow other rules (geometric shapes, repetition, lead-in lines etc)

 
Posted : 04/03/2010 6:23 pm
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learn to forget the rules

But you need to know the rules to forget them.

 
Posted : 04/03/2010 6:24 pm
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But you need to know the rules to forget them.

but after you've forgotten them you won't any longer

but they still follow other rules (geometric shapes, repetition, lead-in lines etc)

oh, those are some I'd also forgotten - what a load of tosh!

 
Posted : 04/03/2010 6:28 pm
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oh, those are some I'd also forgotten - what a load of tosh!

🙄

Okay simon, show me a good photo of yours that is well regarded that doesn't have any of:

a clear subject, nice light, contrast, balance, lead-in/out, eye lines, geometric shapes, repetition, straight horizon, dynamic slant, complementary colours, discordant colours, motion, stillness, true blacks, true whites, dynamic range, thirds, or golden mean.

And those are just the "rules" that I (a rank amateur) can think of.

You may not be consciously following them, but I'll bet all your best shots have them.

 
Posted : 04/03/2010 6:52 pm
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I'd recommend a course if there's one in your area. I traveled for Seb Rogers' mtb photography course. It improved all of my photography simply for a better understanding of the dynamics of photography as well some useful pointers and tips. I've read a number of books and felt the course helped most.

 
Posted : 04/03/2010 7:13 pm
 Kit
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I was going to do his course a few years ago, but lack of funds made it impossible to do at the time! I've looked before and couldn't find any courses where I live, but that was some time ago so should look again.

As for 'rules', sounds like they're simply common sense!

 
Posted : 04/03/2010 7:16 pm
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You may not be consciously following them, but I'll bet all your best shots have them.

I don't know, and I don't [b]want[/b] to know. If it's not pure intuition it's too mechanical to be borne, I only want to know about what feels right, however it comes about - you can't make emotion out of rules. Your list of things is just a grab bag of charactericts which may or may not apply at any one time, neither necessary nor sufficient. You can follow and number of rules and come up with rubbish, and you can follow none and make something stunning, which is why I saw forget them.

As for 'rules', sounds like they're simply common sense!

and [b]is[/b] there any such thing, ever ?

 
Posted : 04/03/2010 7:26 pm
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If it's not pure intuition it's too mechanical to be borne

I have an engineer's mind and I'm not blessed with a naturally artistic eye, so I find "the rules" helpful when looking at other peoples pictures and trying to figure out what it is that I like about them. Trying to think about them has helped improve my own shots. YMMV.

you can't make emotion out of rules

I don't agree. Writer's use a huge number of rules and conventions, yet manage to convey a wide range of emotions.

Knowing how a particular light or composition can alter the "message" of a photo doesn't constrain you, it frees you to express the emotion you want more clearly.

 
Posted : 04/03/2010 7:54 pm
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YMMV.

[b]EXACTLY[/b]!! We're all different, and motivated in different ways, so to expect the same rules to be helpful is unrealistic. If I have enough presence of mind to remember a rule in the moment I press the button then I probably wouldn't bother 🙂

 
Posted : 04/03/2010 8:08 pm
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'How to get better at photography?'
Start off really bad at it.

 
Posted : 04/03/2010 8:09 pm
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Get a simple camera with a really good lens.
I avoid trying to get clever with the camera settings - it distracts me from the subject.
I've given up taking a camera on rides - I can't concentrate on both.
I limit what I do in photoshop to cropping, levelling and BandW filter.
I'm not interested in pleasing optical effects, I want the image only to express the character of the subject whether it is a person, people, landscape, action etc

Hasn't helped much actually!

 
Posted : 04/03/2010 8:19 pm
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I wouldn't remotely claim to be a good photographer, but I have no doubt I'm significantly better than I was a year or so ago. What has changed since then is:

- I've taken loads of photos. Loads and loads of them
- I've looked at loads of other people's photos. Spending time on Flickr and other sites seeing what other people do, and learning from them, is a great education
- I've gradually simplified my kit so that most of the time I'm using a manual film camera with a prime lens. The fancy DSLR kit still has an important place, especially when taking pics of people, but I get a vastly higher proportion of decent shots, and probably more decent shots in absolute terms, with the basic kit than the posh stuff. I am sure that the main reason for this is because it slows me down. A good starting point is to buy a cheap prime lens for your DSLR.
- I've become more minimal and more abstract. Of course that's just the direction I have taken, and others will take different directions, but I think the important thing is to find one's own eye, to uncover a personal style.

I don't know if these will help you, but they certainly helped me

GrahamS - in general I agree with you. However, I like [url= http://www.flickr.com/photos/modalshift/4185460632/ ]this pic of mine[/url], as do several others, but it doesn't seem to meet many of your rules. Perhaps you'll like it, perhaps you'll hate it, but I'm happy with it 🙂

And Kit, I don't know what you're worried about - your pics are great 🙂

 
Posted : 04/03/2010 8:52 pm
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Any books that anyone would recommend?

 
Posted : 04/03/2010 8:56 pm
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GrahamS - I like this pic of mine, as do several others, but it doesn't seem to meet many of your rules

No, but it meets a fair few of the important ones: it's atmospheric, has a clear subject, clear geometry, the subject is on a third, straight horizon, complementary colours.

 
Posted : 04/03/2010 9:05 pm
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A few colleagues and I set up an informal photo club, with the idea that we'd use it to get feedback on each others work and have a monthly "best photo" award. We'd set a subject for the month, then meet up to review each others submissions (we originally decided on only one each, but also did some feedback out-with the meetings) - as well as have a bite to eat and a couple of drinks. Facebook worked out quite well for organising it. That ran for almost a year but, like a lot of these ideas, ran out of steam when attendance started to drop due to holidays etc.

The idea of a set monthly subject was good as it forces you to get out of your comfort zone. Most of my photos are landscapes, so it made me do other stuff.

Feedback from friends was great and you could talk through their reasoning with them, discuss various aspects of the composition etc.

We fell foul of the "no augmentation" rule a bit though. As IT folk, we were worried that it would come down to "who has the best photo manipulation skills", so initially ruled that the submitted shot had to be straight out of the camera. As with discussions on here, quite what is considered manipulation subject to some debate.

This was my (winning) submission for "Water".

[img] [/img]

One of the guys has since gone to to become a professional photgrapher.

[url= http://coppermango.com/templates/copper_mango_theme/images/logo.gi f" target="_blank">http://coppermango.com/templates/copper_mango_theme/images/logo.gi f"/> [/img][/url]

 
Posted : 04/03/2010 9:19 pm
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GrahamS - thanks for that. I'm not sure about 'clear subject' but other than that I guess it's a fair cop 🙂 - and there I was thinking I didn't follow any rules....

 
Posted : 04/03/2010 9:33 pm
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Well as in "it's clear what your subject is" rather than "your subject is clearly visible" 🙂

 
Posted : 04/03/2010 9:37 pm
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Kit, I'm not sure whether the A100 has gridlines in the viewfinder or not, but since I got my D200 I've really found them useful.

 
Posted : 04/03/2010 9:54 pm
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As the above image amply displays, you need to be judged and brought on by people with professional skills.

All I can do is re-iterate that the magazines available in WH Smith etc will give you advice, examples, ideas, competitions and a chance to have your work critiqued by those who make a living from their photography.

I'm not that familiar with the web forums mentioned, but beware of falling into the same trap as D above (no disrespect intended) but having other non-professional peers give you advice and guidence has some very major limitations.

Again, look at the SWPP as you're all going 'round in circles at present with this thread. Now, if you'll excuse me I have another 1500 images which I'm supposed to be finishing before the morning!

 
Posted : 04/03/2010 9:57 pm
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it's atmospheric, has a clear subject, clear geometry, the subject is on a third, straight horizon, complementary colours.

a prefect ad hominem argument 🙂 It tells you nothing. I'm sure I could find any number of photos exhibiting exactly these characteristics (or any or all of the others in the list) that no one would look at twice

All I can do is re-iterate that the magazines available in WH Smith etc will give you advice, examples, ideas, competitions and a chance to have your work critiqued by those who make a living from their photography.

you know, I've looked at them, and gone through a whole magazine without seeing a single shot I liked (which was a surprise). I think you have to have confidence in your own vision, or you'll just end up aping others instead

 
Posted : 04/03/2010 10:59 pm
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a prefect ad hominem argument

Eh? I hope I didn't [i]ad hom[/i] anyone. If I did I apologise.
Or do you mean [i]Post hoc ergo propter hoc[/i]?

In which case, ask yourself if that picture would be as good if the thicket was in the centre, rather than the right. Or if the horizon cut across the middle of the shot.

 
Posted : 04/03/2010 11:43 pm
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it's atmospheric, has a clear subject, clear geometry, the subject is on a third, straight horizon, complementary colours.
a prefect ad hominem argument It tells you nothing. I'm sure I could find any number of photos exhibiting exactly these characteristics (or any or all of the others in the list) that no one would look at twice

Precisely. The original statement just describes a set of ‘rules' that the photo corresponds to. The fact that the photo is extremely pleasing to the eye, where another fitting the same set of parameters evokes no particular feelings proves that the rules help the technical aspects and composition, but no bookful of rules will help get that magical ‘something' that triggers the emotional response. Knowing the rules helps frame the picture, even unconsiously, and it helps you to know when to break them for a greater effect, or to get a pleasing shot where actually obeying the ‘rules' would have produced something mediocre. Picasso was an incredibly accomplished artist in ‘traditional' drawing and painting, but he had that foundation on which to create amazing pictures that broke all the traditional rules. There was a photo on here recently of redthunder's, which was all ‘wrong' by usual standards of ‘rule of thirds’, but if he'd stuck to that then forground was really dull, so cropping the image to the main point of interest was right at the bottom, with a huge expanse of sky, and made a striking, interesting picture.

 
Posted : 05/03/2010 12:01 am
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ask yourself if that picture would be as good if the thicket was in the centre, rather than the right. Or if the horizon cut across the middle of the shot.

you may ask yourself such questions, but I fly by the seat of my pants 🙂

 
Posted : 05/03/2010 12:14 am
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Things started out negative but soon I was enlarging. As it started to develop, I told her we should stop before we got into a fix, but she said it would all come out in the wash.

 
Posted : 05/03/2010 12:17 am
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Not sure if it has been mentioned, but one way to learn and improve is to use a fully manual film camera every so often.

You can get ones with really clear markings for aperture and shutter speed (something cheap like a Praktica SuperTL1000 even has a rudimentry meter in it), so your eyesight shouldn't be a problem. You will quickly learn about the technicalities of photography, which definitely do translate over to digital. Makes you think a lot more too before taking a photograph.

 
Posted : 05/03/2010 10:51 am
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is to use a fully manual film camera every so often.

isn't that a bit like learning how to ride by jumping into an old pram and rolling down a hillside ?

 
Posted : 05/03/2010 10:57 am
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isn't that a bit like learning how to ride by jumping into an old pram and rolling down a hillside ?

Not really. There's no easier way to learn the correlation between film speed,aperture and shutter speed (the fundemental basics) than on a fully manual film camera with a few big physical knobs you need to turn for adjsutments. Going through menus on a dslr just isn't the same experience when learning.

 
Posted : 05/03/2010 11:02 am
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Going through menus on a dslr just isn't the same experience when learning.

get a proper DSLR - mine has knobs for those functions and handles quite similarly to a film camera, only 5 times faster at shooting and a day quicker at seeing the results. I mainly use the menus for switching daylight saving.

 
Posted : 05/03/2010 11:09 am
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I agree with Goat Karma. The obvious other point about trying film once in a while it to reminds you that each press of the shutter costs you. Thinking like that, you're more likely to take time composing the shots, ergo you have more chance of getting decent shots by design, rather than scattergun-D300-9fps-chance!

 
Posted : 05/03/2010 11:15 am
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Hmmmmm, both basic DSLRs I have owned (Nikon D70s and D80) have fully manual modes, clear indication of speed and aperture with dials to adjust them.

Plus with a DSLR you have the added advantages that you can try a particular aperture/speed and immediately assess the result on screen (with detailed histogram information about the light if you wish) AND that all your settings are recorded with the file, so if you review them later at home you know exactly how you had the camera set without needing to scribble everything down in a little notebook.

I would agree that the financial commitment and limited nature of film probably does make you think a bit more before pressing the button though.

 
Posted : 05/03/2010 11:20 am
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Thinking like that, you're more likely to take time composing the shots, ergo you have more chance of getting decent shots by design, rather than scattergun-D300-9fps-chance!

I think it just acts as a brake on experimentation. I prefer to do my thinking at the computer afterwards, not in the heat of the moment 🙂

 
Posted : 05/03/2010 11:21 am
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I prefer to do my thinking at the computer afterwards, not in the heat of the moment

I guess that explains a few things 😉

 
Posted : 05/03/2010 11:41 am
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Maybe it is just me, but surely exposure, aperture and film speed are very simple and obvious in how they relate to what comes out the other end.

Obviously you have to understand what they do and what effect that might have on the final picture, but that is pretty straightforward and has to be like 1% of the skill of taking the picture. The skill is in pointing it at the right things in the right way at the right time, which is an art, whereas the settings are just something technical that you can pick up?

Joe
(who knows all about aperture and all that gubbins but still only takes okay pictures)

 
Posted : 05/03/2010 11:42 am
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The skill is in pointing it at the right things in the right way at the right time, which is an art, whereas the settings are just something technical that you can pick up?

My geek brain has no problem comprehending the functions of the myriad of settings available in all the obscure custom menu options, but I still take fairly crap photos.

I know folk that take lovely shots, but don't have a clue how many ISOs they used or what the f thingy was.

 
Posted : 05/03/2010 11:48 am
 DrJ
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Clearly the way to become a fantastic photographer is just to copy everything Ti29er does.

 
Posted : 05/03/2010 11:51 am
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I guess that explains a few things

exactly - when I'm taking photos I'm so involved with the subject I forget about the camera settings entirely, despite them being written round the edge of the viewfinder, I have never knowingly seen them while using the camera!

 
Posted : 05/03/2010 11:51 am
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but surely exposure, aperture and film speed are very simple and obvious in how they relate to what comes out the other end.

very, however the tradeoffs involved require careful thought, as most exposures represent a compromise between conflicting factors, but I'd agree that in the end, exposure is trivial compared to the actual subject matter selection 🙂

 
Posted : 05/03/2010 11:54 am
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the tradeoffs involved require careful thought... I forget about the camera settings entirely..

I think I'm seeing a flaw in your technique here simon 😀

 
Posted : 05/03/2010 11:56 am
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I think I'm seeing a flaw in your technique here simon

deffo :o) But that's why I rely on the P setting as, on those few occasions I select manual instead I go on to take 50 more shots at the same settings before I remember it might be a good idea to check it...

 
Posted : 05/03/2010 12:41 pm
 Kit
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The skill is in pointing it at the right things [b]in the right way[/b] at the right time

Surely that's where the technical knowledge comes in? If the camera is not set up correctly (ie in the right way) and you point it at the right thing and the right time, you're likely to end up with a duff photo!

I have a very basic understanding of ISO and shutter speed, but aperture and how the three all relate I would struggle to explain. I just know smaller the F number, larger the ISO, slower the shutter speed = better photos in poor light. Beyond that I just line up the arrow in the middle of the meter, usually by fiddling with the exposure.

 
Posted : 05/03/2010 2:20 pm
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how the three all relate I would struggle to explain

Which is a nice case in point Kit, because the photos you've posted here have all been great.

I like the bucket analogy to explain how they relate to each other:

imagine the exposure you require as a bucket that needs to be filled with water from a tap.

- opening up the aperture is the same as turning the tap on a bit more. It will now take less time to fill the bucket. If you use a smaller aperture you'll need to spend more time filling it.

- shutter speed is just how long you fill the bucket for. If you have plenty of time to fill it then you can afford to only turn the tap on a little bit. If you're in a hurry then you need the tap open as far as it will go.

- ISO is just the size of the bucket. Higher ISO means a smaller bucket so you can either fill it faster or you can afford to leave the tap a bit more closed.

You can extend this metaphor a bit further (though it gets a little stretched):

- available light is the mains water pressure.

- turning the tap on full (open aperture) means you'll make a mess (lots of out of focus bits), keeping it at a dribble means you won't spill any (everything in focus)

😀

 
Posted : 05/03/2010 2:37 pm
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It's probably worth spending a little time reading about how lenses, shutters etc work, even if you subsequently set the knowledge aside. The f number refers to the size of the hole in the mechanical aperture of the lens - this is made of several curved edged metal leaves, so it can be adjusted in size while staying roughly circular. The f number at any particular aperture size is the focal length of the lens divided diameter of the hole, at f/2 the hole diameter is half the focal length. The f number is used because any (say) f/2 lens will pass the same amount of light in the same conditions (ignoring that absorbed or scattered) This relates directly to depth a field, as a wider aperture (smaller number) gives a blunter cone of light for each image point, so a smaller displacement from the nominal focus distance will result in a bigger image blob at the film/sensor. Imagine a cone of light coming to a point - move away from the focus point and you have a circle of light instead. A narrower aperture gives a spikier cone and a smaller off focus blob 🙂

 
Posted : 05/03/2010 2:40 pm
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Have a read of [url= http://www.uscoles.com/fstop.htm ]"A Tedious Explanation of the f/stop"[/url], which may be where I got the bucket analogy from.

 
Posted : 05/03/2010 2:46 pm
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IMO the bucket analogy is about as useful as the chocolate fireguard analogy 🙂

 
Posted : 05/03/2010 2:55 pm
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😛 I think it's an almost perfect metaphor as it is pretty much maps exactly to what really is happening (albeit with photons instead of water and CCD capacitors or film emulsion instead of a bucket )

 
Posted : 05/03/2010 3:05 pm
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I've just read both explanations simon/graham and can't get my head round either at the moment (but that's probably a lack of sleep/long working week thing messing my head).

And of course when you talk about a [b]larger[/b] aperture, you mean a [b]smaller[/b] F number? The inverse thing is not computing very well right now! I also thought the larger the F number the smaller the DOF, but I've just found out that this is wrong! Right?!

Ahbuggerit, thanks for the compliments! Bought a photo mag today which as "10 golden rules" in it. Might get a chance to read it over the weekend.

 
Posted : 05/03/2010 3:16 pm
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I also thought the larger the F number the smaller the DOF, but I've just found out that this is wrong! Right?!

No, the larger the F number, the smaller the aperture and the larger the DoF. So yes, you're right that you were wrong 😀

 
Posted : 05/03/2010 3:20 pm
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And of course when you talk about a larger aperture, you mean a smaller F number?

Yep, it's actually a fraction so F-numbers should be correctly written as [i]f[/i]/2.8, [i]f[/i]/2.8, [i]f[/i]/4, [i]f[/i]/5.6, [i]f[/i]/8 etc which makes it a bit easier to see, as a half is obviously bigger than a quarter.

I also thought the larger the F number the smaller the DOF

Larger the [b]aperture[/b] the smaller the DOF. A big hole lets light through at all kinds of random angles, so only some of it is in focus. A small hole only lets a narrow angle of light through, so more of the scene can be focussed. (Think of threading a bunch of spokes through a wedding ring, compared to threading them through a napkin ring).

 
Posted : 05/03/2010 3:25 pm
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Bought a photo mag today which as "10 golden rules" i

think of them as lead or perhaps depleted uranium...

 
Posted : 05/03/2010 3:56 pm
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Larger the aperture the smaller the DOF.

welcome to the world of reciprocals! Both the aperture and the shutter speed are expressed as fractions, of focal length and a second respectively, and in both cases a bigger number means less exposure.

 
Posted : 05/03/2010 3:59 pm
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[img] [/img]

A recent sfb shot completely ignoring those "depleted uranium" rules, yet somehow managing to have an obvious subject, strong lead-in lines, thirds, foreground interest, triangular geometry and framing. 🙂

(Edit: nice shot by the way simon)

 
Posted : 05/03/2010 4:03 pm
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[url= http://www.jessops.com/landscapes?CM_MMC=JESSOPSEMAIL-_-MORE2_JES168_C4-_-landscapes-_-link ]william cheung landscapes[/url]

 
Posted : 05/03/2010 4:17 pm
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Graham suggests the camera is like a bucket.

However if you think about it, a milk bottle is almost exactly like a lens. It is wide at the base but tapers to small diameter opening at the top which is sealed with a foil cap to prevent spillage. But that is not what makes it like a lens. No, because the bottle contains milk which is exactly like the light, the milk (or photons) may be poured from the bottle (or lens) and the bottle can be returned to the milkman to be refilled with different milk (or images). But what about garden birds? Yes there is the danger that as your milk sits on the doorstep the foil cap might have holes pecked in it allowing the ingress of contaminant making the milk unpalatable. Sadly things are liable to go sour due to an unwelcome little t1t. Don't you agree Simon?

[i]apologies to Humphrey Lyttelton[/i]

 
Posted : 05/03/2010 4:30 pm
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[i]*Bbbzzzzzztt*[/i]... Repetition of milk.

Oh sorry, wrong game 😀

 
Posted : 05/03/2010 4:33 pm
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