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Author Topic: FOV question  (Read 740 times)

armand

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FOV question
« on: March 04, 2019, 11:49:09 pm »

Quick question, to confirm. If I use a 24 mm lens and take a panorama with it vertically, if I keep the same ratio (as in 3:2), do I get a similar FOV as a 16 mm lens, approx? Or more generally, 2/3 FL for a 3:2 sensor?

Telecaster

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Re: FOV question
« Reply #1 on: March 05, 2019, 03:33:42 pm »

The FOV will be entirely up to you. Make your photos as wide & tall as you wish.  :)

What's the FOV of the attached pic? Dunno other than that it covers what I wanted it to cover.

-Dave-
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armand

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Re: FOV question
« Reply #2 on: March 05, 2019, 05:00:39 pm »

The FOV will be entirely up to you. Make your photos as wide & tall as you wish.  :)

What's the FOV of the attached pic? Dunno other than that it covers what I wanted it to cover.

-Dave-

Thank you but you missed the part when I said that I'll keep the same ratio.
Maybe it will be easier if I ask a different way: is the vertical angle of view of a 24mmm equal to the horizontal angle of view of a 16mmm?

mcbroomf

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Re: FOV question
« Reply #3 on: March 05, 2019, 05:05:20 pm »

Yes ...

A 24mm lens has a 73.7 degree horizontal FOV, which would become the vertical FOV.
A 16mm lens has a 73.7 degree vertical FOV, so they would match as long, as you say, that you keep your final image to a 3:2 ratio
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TimoK

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Re: FOV question
« Reply #4 on: March 07, 2019, 03:15:47 pm »

Quick question, to confirm. If I use a 24 mm lens and take a panorama with it vertically, if I keep the same ratio (as in 3:2), do I get a similar FOV as a 16 mm lens, approx? Or more generally, 2/3 FL for a 3:2 sensor?
The short answer is yes, approximately.
You can get the same diagonal angle of view, 107 degrees, same as with 16mm lens in 24x36mm, with three vertical shots covering virtual sensor of 54x36 mm with overlapping enough. In practice you have to crop the stitched picture also vertically. If you use tripod, 51x34 mm is realistic virtual sensor size with tree shots. That's equal to 17 mm in 24x36 mm sensor. If you take more shots in row and more rows anything is possible. I have taken many 360x180 degrees (aspect ratio 2:1) panoramas with 24 mm lens.
Maybe this calculator helps: FOV calculator
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armand

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Re: FOV question
« Reply #5 on: March 11, 2019, 09:38:18 pm »

Thank you
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