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  1. Hi everybody A question about Vray / Physical camera: according to the theory, the FOV (Field of View) is determined by the ratio "film gate" / "focal length". However I have noticed that if both "film gate" and "focal length" are multiplied with the same coefficient, while all the other parameters of the physical camera remain intact, FOV is affected. Specifically FOV narrows as the coefficient is increased. Does anybody know the mathematical relation among "film gate", "focal length" and FOV?
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