Alley in Pisa, Italy

by Lars Kotthoff

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bio website mattgrum.com
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visits member for 3 years, 10 months
seen 18 mins ago

Feb
23
answered Alternative media for printing photos
Feb
23
awarded  Nice Answer
Feb
22
answered Maximum focusing distance when using Canon FD to EF adapter?
Feb
21
awarded  Good Answer
Feb
20
answered What is the difference between EF and EF-S lenses?
Feb
19
comment What is the effect of a scratched lens?
Came here to post that link but you beat me to it! As you can see a small scratch will probably be insignificant.
Feb
19
awarded  Nice Answer
Feb
19
comment What are the benefits/drawbacks to various tripod materials?
I'd love a tripod hewn from a giant slab of basalt - imagine the stability!
Feb
19
comment What is the 'Golden Ratio' and why is it better than the 'Rule of Thirds?'
What you've got there is a classic confirmation bias, you find the golden ratio in the image because you want to, because you feel it's important. What's special about the singer's cheek in the first image where the lines I intersect? You could just as easily decide another facial feature was most important and fit rectangles with ratio 1:1.65, 1:1.55 etc. In fact you could pick any arbitrary ratio and draw lines on an image to make it seem important. In a proper blind trial I doubt you'd be able to tell the difference.
Feb
19
comment What is the 'Golden Ratio' and why is it better than the 'Rule of Thirds?'
@Nick the point is it's nothing to do with the golden ratio itself, you wouldn't be able to tell the difference between a ratio of 1:1.618 and a ratio of 1:1.6, or 1:1.5 for that matter. It turns out something being three times bigger than something else looks pleasing, this has nothing to do with the solution to 1/x = x - 1
Feb
19
comment What is the 'Golden Ratio' and why is it better than the 'Rule of Thirds?'
@lindes, thanks I've reworded it
Feb
18
revised What is the 'Golden Ratio' and why is it better than the 'Rule of Thirds?'
added 31 characters in body
Feb
18
answered What is the 'Golden Ratio' and why is it better than the 'Rule of Thirds?'
Feb
18
revised What aperture settings should I use for taking macro photos of artwork?
increasing shutter speed will result in shorter exposure which is not what we want
Feb
18
comment Why do people recommend 50mm or other prime lenses as starting lenses for learning photography?
The ability to go to f/1.8 gives you extra flexibility, you don't have to shoot everything wide open, you can still shoot your group photos at f/8
Feb
18
comment Why do people recommend 50mm or other prime lenses as starting lenses for learning photography?
@jextee I didn't say the 50 f/1.8 is the only affordable fixed focus lens, I said it's the only affordable f/1.8 lens. Which it is, the only thing that comes close is the Nikon 35 f/1.8 which is over double the price!
Feb
18
revised Why do people recommend 50mm or other prime lenses as starting lenses for learning photography?
edited body
Feb
18
answered Why do people recommend 50mm or other prime lenses as starting lenses for learning photography?
Feb
17
awarded  Nice Answer
Feb
17
comment When removing a lens, does Image Stabilization need to be turned off on the lens?
@cabbey There's nothing in the 20D manual about turning the camera off when changing lenses, if it was important I'm sure Canon would mention it!