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Subject: Camera setting to create cubic environment

muralist opened this issue on Nov 07, 2009 · 3 posts
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muralist ( ) posted Sat, 07 November 2009 at 2:04 PM · edited Sat, 03 August 2024 at 2:55 PM

I want to assemble a vertical cross by rendering 6 square images of my environment.  What camera setting in mm do I use to get a 90 degree field of view for each image?

(bagginsbill's probe setup is too large for the space Im shooting)

medzin ( ) posted Sat, 07 November 2009 at 8:34 PM

I forgetting formula now, but nomograph I keep for FOV says 18mm is 90 degree.

Keith ( ) posted Mon, 09 November 2009 at 2:29 PM

For a rectilinear lens (that is, one that minimizes fisheye-style distortion), the formula is:

FOV = 2 arctan (x / (2 f)), where x is the diagonal length of the film.

There's a converter here .


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