We scanned over 600 original Wollensak Optical drawings into this CD. Includes Velostigmat and Raptar lenses, Telephotos, Projection lenses, Mirrotel Optical assemblies, Catadioptric Systems, Enlarging lenses, Condenser systems, Microprojection lenses, Collimator assemblies, Velostigmat lenses, Sighting scopes, Vari-Power telescopes, Relay lens assemblies, Binocular Optical system etc, etc. All are in .pdf format and can be printed. Works on Windows.
