Any \"crop marks\" MUST be on the upper (flat) surface of the focusing screen. Any marks (dirt, dust, scratches) on the reflex mirror are never in focus in a DSLR viewfinder system.
Any \"crop marks\" MUST be on the upper (flat) surface of the focusing screen. Any marks (dirt, dust, scratches) on the reflex mirror are never in focus in a DSLR viewfinder system.
May 07, 2013 at 11:07 AM
Previous versions of mikerfns's message #11536521 « cropmarks on reflex mirror? »
