Recent post on field of view and focal length
Dec 16, 2020 09:44:41 #
There was a recent topic (last 2 weeks?) on focal length and field of view. I meant to bookmark that thread to come back later and read it but forgot to. I have looked through the UHH search function and using Google but no luck. Anyone remember this one, it was about 3 pages long.
Dec 16, 2020 09:59:37 #
This one?
https://www.uglyhedgehog.com/t-676863-1.html
An alternative to bookmarking is simply clicking the watch button directly above the opening post. Then use your "watched topics" link whenever it's convenient (located near top of any UHH page).
https://www.uglyhedgehog.com/t-676863-1.html
An alternative to bookmarking is simply clicking the watch button directly above the opening post. Then use your "watched topics" link whenever it's convenient (located near top of any UHH page).
Dec 16, 2020 11:13:12 #
In case you're finding it difficult to get a handle on what's being said, here's a quick summary:-
If you stand in the same place, the perspective (how things in the scene in front of you line up) doesn't change. That still applies if you change your focal length, but what that does change is your field of view (how much of the scene you can see through the lens). Those facts are a simple matter of geometry.
If you don't stand in the same place, how things line up changes. Again it's a simple matter of geometry.
If you compose by positioning yourself, the perspective that you see with your own eyes won't be any different from the perspective that your camera captures, regardless of what focal length you're using. But changing the focal length changes the framing (where the edges of the photo will fall, which determines what's included and what's excluded).
If you use a prime lens you can zoom with your legs - which involves changing position (and therefore changing perspective). Alternatively, if a specific perspective is important (i.e. if you want a specific alignment of elements within the scene) you can shoot wide and then crop in post processing (assuming that your lens allows you to shoot wide enough).
Any info beyond that is an unnecessary complication.
If you stand in the same place, the perspective (how things in the scene in front of you line up) doesn't change. That still applies if you change your focal length, but what that does change is your field of view (how much of the scene you can see through the lens). Those facts are a simple matter of geometry.
If you don't stand in the same place, how things line up changes. Again it's a simple matter of geometry.
If you compose by positioning yourself, the perspective that you see with your own eyes won't be any different from the perspective that your camera captures, regardless of what focal length you're using. But changing the focal length changes the framing (where the edges of the photo will fall, which determines what's included and what's excluded).
If you use a prime lens you can zoom with your legs - which involves changing position (and therefore changing perspective). Alternatively, if a specific perspective is important (i.e. if you want a specific alignment of elements within the scene) you can shoot wide and then crop in post processing (assuming that your lens allows you to shoot wide enough).
Any info beyond that is an unnecessary complication.
Dec 16, 2020 16:06:03 #
Dec 16, 2020 16:43:11 #
Gene51 wrote:
What he said! 
Agreed. That was the whole enchilada.
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Don’t bother hunting for those earlier three pages. And ignore the next three (or more) pages of BS that will pile on here as the hours fly by :-(
Dec 16, 2020 23:48:03 #
Linda From Maine wrote:
This one?
https://www.uglyhedgehog.com/t-676863-1.html
An alternative to bookmarking is simply clicking the watch button directly above the opening post. Then use your "watched topics" link whenever it's convenient (located near top of any UHH page).
https://www.uglyhedgehog.com/t-676863-1.html
An alternative to bookmarking is simply clicking the watch button directly above the opening post. Then use your "watched topics" link whenever it's convenient (located near top of any UHH page).
Yes that's it, thanks.
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