C4 Modified Lenses

LEFT: Unmodified Argus C4 with the standard 50 mm Argus Cintar f/2.8 lens.
RIGHT:
Modified Argus C4 with Lithagon 35mm f/3.5 lens. Knob and latch
shown to the right of the lens indicates a C4 has been modified for
Lithagon lenses. Modified C4s could also accept modified Cintar
50mm lenses in addition to the Lithagon lenses shown below.

45mm f/1.9 Lithagon Lens
Very fast, very sharp, very rare!

35mm f/4.5 Lithagon

100mm f/4.5 Lithagon

135mm f/3.5 Lithagon
Note unique see-through lens shade