Sigma 28-80mm f3.5-5.6 II AF Macro for Pentax K lens mount_Mamiya NC The Ricoh Auto Rikenon EE

The Ricoh Auto Rikenon EE 50mm f1

most notably a small cosmetic scuff on one top edge of the prism

and image quality is pretty darn solid

The tilt "scale" on the side does nothing at all (there's no index mark) but the rotation scale is legit

Canon EF 24mm f3

Sigma 28-80mm f3.5-5.6 II AF Macro for Pentax K lens mount_Mamiya NC The Ricoh Auto Rikenon EEThe Sigma 28 80mm f3. 5 5. 6 II AF Macro is a basic zoom lens for Pentax K mount cameras film or digital. While most of these "macro" lenses are not even close to true macro, this lens actually does provide magnification up to 1: 2, which is very good, actually. Clean glass, good function.