Fresh from 50 year snooze in the attic, 2 clean Argus C44's shutters fire ,grease still good, could use a lube, good quality heavy cameras as is the 100mm short tely. The rangefinder window is in centre of focus thumb wheel - neat. the clip on variable finder covers 35 - 50 - 100. The C Twenty is Cased &very bright made of heavy Bakerlite very basic 3 element 3.5 Cintar, focus is stuck-- you sort it