Question about Schneider 360mm f/6.8 Apo-Symmar Lens with Copal 3 Shutter
APO is a special type of lens use for digital cameras
to produce better color response to pictures.
its letters refer to
An apochromat, or apochromatic lens (apo), is a photographic or other lens that has better correction of chromatic and spherical aberration than the much more common achromat lenses..
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Posted on May 09, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
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Oct 20, 2017 | Cameras
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