Description

This article is from the Photographic Lenses FAQ, by David Jacobson with numerous contributions by others.

24. Can I eliminate these aberrations by stopping down the lens?

The effect of all aberrations except distortion and lateral color is reduced by stopping down. The amount of field curvature is not affected by stopping down, but its effect on the film is. But note that stopping down also increases diffraction.

 

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photography, lenses, focal length, bellows, focus, pivot