Tagged Questions
2
votes
4answers
145 views
What is the best order to set exposure parameters (ISO, aperture, shutter)?
Let's say that you're in a very controlled environment, there is no hurry to get the shot, and you're shooting manual.
In order to correctly expose the photo, what order should you alter the ISO (if ...
0
votes
3answers
164 views
What's the difference between a closed and open aperture diaphragm for night street photos?
I'm capturing a picture during night and to a street with a lot of cars running over the street.
What happens (in general, from a theoretical point of view) if I shoot the same photo under the ...
6
votes
4answers
258 views
Does the same aperture at a shorter focal length allow for faster shutter speeds?
I was about to ask why the new Canon 24-70mm F/2.8L II doesn't have IS, but then I came across the answer to Why there is no Canon 50mm *IS* lens? and it got me thinking...
(The short version of the ...
3
votes
1answer
363 views
Can a consumer-grade camera take good aurora pictures?
It's generally hard to take clear pictures of auroras because they are fairly dim and move around. To get enough light for a good picture, you need a long exposure. But then your picture will be ...
11
votes
2answers
1k views
What is T-number / T-stop?
Usually, when discussing aperture of a lens, F-stop and F-number are used for quantifying. But some photographers, and especially videographers, also mention T-stop. The concept and numbering used ...
-2
votes
1answer
399 views
How does aperture affect exposure?
I've heard that aperture can change the exposure, but I would like to know if this is true, and how it does it.
P.S. I hope this question isn't dumb like my last two.
12
votes
6answers
522 views
Why are only certain shutter speeds or apertures available?
For the exposure control function DSLRs there are specific shutter speeds available. For example there are 1/4, 1/100, 1/500. Why, even in high end DSLRs, is there no option to use a custom shutter ...
2
votes
1answer
370 views
How does Sunset Mode affect exposure on Canon A800?
I was puzzled recently when I did some test shots with my Canon A800 by shooting the same (landscape) scene with and without full optical zoom and with the camera program set to SCN - Sunset. (Sunset ...
4
votes
4answers
471 views
How does one deal with too much light when taking a photo?
How does one cancel out extra light while clicking a photo? Is decreasing the aperture a better option, or using a faster shutter speed? What are other options we could try?
2
votes
4answers
249 views
Why does my camera's meter suggest the same exposure time for lenses with different apertures?
On the same camera body (Canon 1Ds MkII) at the same ISO setting (400) and with no filters attached, two different lenses give the same exposure time (0.4s) at very different apertures. The lenses and ...
8
votes
3answers
534 views
Why do two different cameras using the same settings produce photos with different exposure levels?
Please refer to this photo:
The image on the left was taken with a Panasonic GH2, a micro-4/3rds camera with a crop factor of 2, and the right one was taken with a Nikon D700, a full-frame camera. ...
1
vote
1answer
180 views
Photography concepts using SX20
I've bought a Powershot sx20 half a year ago and I'm quite happy with it although I know it doesn't compare to a DSLR.
I've learning photography on my own: bought a 58mm ring and some filters (cpl, ...
1
vote
2answers
424 views
What is the quantitative relation between f/# of the lens (aperture), exposure, and ISO?
Let's say we shoot with a DSLR camera and we have two interchangeable lenses.
Lens #1 has aperture f/X, X between 1 and 2 (see below).
Lens #2 is f/4.5. Same focal length and other characteristics as ...
12
votes
3answers
961 views
Do the same camera settings lead to the same exposure across different sensor sizes?
Let's say I have a micro-4/3rd camera and a full frame camera, both set to 1/60 at f/2.8, taking a picture of the same scene in the same lighting. Will the exposure be the same across both cameras ...
8
votes
5answers
1k views
How do different aperture and shutter settings affect a photo with the same overall exposure?
Ok, here's my doubt. Suppose I want to get a certain exposure for an image. Keeping the ISO constant, there are two tentative possibilities here:
Put the camera at f 1.4 (say) and at 1/1600 shutter ...
25
votes
7answers
3k views
When to use shutter priority instead of aperture priority?
Under what circumstances would you use aperture priority vs. shutter priority and vice-versa?
I typically don’t use shutter priority (ever) and favor aperture priority to try to get a max aperture ...
