All Questions
Tagged with aperture depth-of-field
64
questions
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-...
1
vote
3
answers
342
views
Why are larger apertures used for astrophotography? [duplicate]
Learning about aperture, and depth of field.
I have understood it as such
...
2
votes
4
answers
156
views
Should I use rounded or exact f-stop values for a depth of field calculator?
I'm designing a DOF calculator. Looking at other calculators, I can see that some of them use rounded values (e.g. f/2.8) and some use exact values derived from the square root calculation (e.g. f/2....
2
votes
9
answers
862
views
Is deep depth of field AND bright exposure possible?
I know that a larger aperture corresponds to a brighter exposure and shallower depth of field for a given focal length.
Is it optically possible for a custom-built camera to form an image with both a ...
5
votes
4
answers
3k
views
What causes images to have flat depth?
I am learning about photography and I remember reading about an effect that causes images to look like there is no depth but now I cannot find what it is called or what causes it.
I remember an ...
1
vote
2
answers
167
views
Canon 70D - shooting video interviews in bright conditions with low aperture
I'm trying to shoot an interview in the middle of the, in the outdoors - which means, it's very bright.
While keeping the aperture low - to keep the interviewee's face in focus, with narrow depth of ...
1
vote
2
answers
184
views
What are high f-stops (larger than f/5.6) good for when using compact camera?
I carry the Sony RX100M3 with me and usually shoot aperture mode (generally around f/5.6 for deep dof). I notice that my camera allows for very high f-stops up to a maximum of f/11. If I calculate the ...
1
vote
1
answer
977
views
Why can't I see changed depth of field on LCD preview on my 2000D after changing aperture?
I have a Canon EOS 2000D camera with Canon EF 50mm f/1.8 lens that can achieve shallow depth of field. If I adjust the aperture settings of the lens on the camera, I'm not seeing any change of depth ...
1
vote
2
answers
818
views
Changing depth of field of Nikon D5200
I've been trying to change the depth of field on a Nikon D5200 for 2 hours and I can't seem to get it to work. I have to take photos and videos of people tomorrow (this is not my camera). The depth of ...
2
votes
1
answer
89
views
Depth of field and aperture size [duplicate]
Why does a smaller aperture size have a high depth of field? What is the physics behind this?
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 ...
0
votes
4
answers
383
views
Which aperture value determines depth of field on variable aperture lenses?
Do variable aperture values represent the way in which depth of field is rendered by a lens or only to the transmission of light (i.e the brightness)?
For example, if i wish to calculate depth of ...
3
votes
6
answers
4k
views
Why do we need a DOF preview button?
Why not just show the effective depth of field, by default?
What's the point of having it display a picture that's different to how the image will actually turn out?
My first thought was, it must be ...
-1
votes
1
answer
1k
views
How to get a blurred background using a Canon 18-55 STM lens? [duplicate]
I'm totally new to photography and need your help.
I've read much about ISO, Aperture and Shutter speed. I know to get a blurred backround: use a wide aperture. Also I know the distance between ...
4
votes
3
answers
175
views
What type of lens should I buy if I want strong out-of-focus blur?
I'm looking for a lens to focus on one thing, and the background is really blurred out. I also want really good quality. I was looking a 50mm prime.