All Questions
Tagged with aperture depth-of-field
64
questions
57
votes
9
answers
144k
views
What is aperture, and how does it affect my photographs?
How does aperture affect my photographs?
Why should I care about the aperture with which a photo was taken?
- 2,087
38
votes
8
answers
32k
views
Technically, why is the out of focus area blurred more when using a bigger aperture?
I'm wondering, technically, why and how does the out of focus areas blur more when using a bigger aperture. I think it'd help a lot if I presented a problem that's been driving me nuts for a long time:...
- 2,683
27
votes
5
answers
7k
views
Why is the depth-of-field preview in the optical viewfinder of my Canon 500D inaccurate?
I have noticed that in my Canon 500D, the depth-of-field preview in the optical viewfinder is inaccurate with large aperture settings.
If I press the DoF preview button, there is very little ...
- 2,511
26
votes
4
answers
3k
views
Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers?
In Understanding Exposure (3rd edition, on page 48), Bryan Peterson has what might be called a rant against modern on-line conventional wisdom about diffraction limits. Answers on this web site are ...
- 143k
25
votes
9
answers
7k
views
Can a smaller sensor's "crop factor" be used to calculate the exact increase in depth of field?
If APS-C and similar crop-sensor digital cameras have a focal length multiplying effect such that a 50mm lens has an apparent focal length closer to the field of view of an 80mm on a full frame camera,...
- 3,837
21
votes
3
answers
8k
views
How can a smartphone take pictures of a landscape with everything in focus?
After the announcement of the new Samsung Galaxy S9 with the new camera that changes aperture, I caught myself wondering: if smartphones have such a wide aperture (f/2.8, f/2.2, etc), how are ...
- 311
17
votes
0
answers
2k
views
Why does a larger aperture cause more blur of the background? [duplicate]
Possible Duplicate:
Technically, why is the out of focus area blurred more when using a bigger aperture?
Why is it that a larger lens aperture produces a shorter depth of field, causing the ...
- 271
12
votes
3
answers
2k
views
ND filter vs stopping down for long exposures?
To achieve long exposures in daylight, one might need to stop down, or use an ND filter. By stopping down, the depth of field increases, but at some point the image quality/sharpness will suffer, due ...
- 505
10
votes
4
answers
837
views
Focusing on moving target with large aperature?
I have read about difficulties getting focusing right when using a large aperature (because of depth-of-field issues).
If I am using a fast prime wide open (say F1.4 or F1.8) to shoot a target in ...
- 5,095
10
votes
6
answers
9k
views
Will a lens with a low aperture value give me better portrait photos?
I want to take pictures of people from 5-20 feet away. I attend lots of group events and am free to walk around and snap photos.
I just purchased a Canon t3i and it comes with a 18-55mm kit lens. The ...
- 793
8
votes
5
answers
2k
views
Why do people not use large f-numbers (small apertures) when shooting landscapes, when you want large depth of field?
When some people take photos of the landscape, why do they not use like a low f-stop like f/32, because wouldn't you want everyone in focus because it's a landscape?
But quite a lot of people use f-...
- 117
8
votes
5
answers
991
views
Maximizing bokeh in the foreground?
Another question asks, How can I maximize the “blurry background, sharp subject” (bokeh) effect?
Rather than the background, I am interested in blurring the foreground. What techniques or advice are ...
- 207
7
votes
5
answers
18k
views
Is it possible to change depth of field in RAW images?
I am beginner to photography, and I've learnt that we can do a lot of post-production in images by using RAW format. I'm looking for options to change/modify the depth of field in the RAW images - is ...
- 173
7
votes
4
answers
2k
views
Is depth of field and bokeh influenced by distance to the subject?
I know that the aperture size has a direct effect on the depth of field.
However, what about distance to the subject? Let's say I took two pictures, one at 24mm and one at 70mm, using the same lens ...
- 1,827
7
votes
6
answers
14k
views
What aperture should I use to photograph people and why?
What f/# do you use to photograph people, and why? I know this varies from shot to shot.
Let's suppose that you are photographing either a single person or a couple, that it it outside on a somewhat ...
- 10.9k
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