Aperture

[jerrysmith]

IN NUKE, in camera (imported from boujou )
what is exactly the horizontal aperture and vertical aperture ?

In photography, the aperture determines the ray angle (brightness) aperture stops. but Is it the same here?
cheers

info provided by nuke documentation:

After you have this information, you need to do these calculations to get the horizontal and
vertical aperture settings for the projection setup:
horiz. res. / scanner pitch = horizontal aperture
vertical res. / scanner pitch = vertical aperture

So, for example, if your image resolution is 720 x 486 and the scanner pitch is 20, then these
are the results:
720 / 20 = horizontal aperture = 36486 / 20 = vertical aperture = 24.3

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