Leica Summicron 50mm f/2 II Rigid vs Panomicron Bismuth 50mm f/2.8 1.5x Anamorphic

The Leica Summicron 50mm f/2 II Rigid and the Panomicron Bismuth 50mm f/2.8 1.5x Anamorphic are both 50mm lenses. Here are sample photos from each, plus a side-by-side look at the specs.

Specifications

SpecLeica Summicron 50mm f/2 II RigidPanomicron Bismuth 50mm f/2.8 1.5x Anamorphic
Focal length50mm50mm
Max aperturef/2f/2.8
MountMM
Min. focus distance1 m0.7 m
Length56 mm67 mm
Diameter41 mmUnknown
Weight251g (Aluminum)0g (Metal), 0g (Brass)
Filter thread39 mm52 mm
Elements / groups7 / 67 / 7
Aperture blades10Unknown
Rangefinder couplingYesYes
Rangefinder blockageNoNo
6-bit codingYesNo
Production1956–19682026–present
ColorsChromeBlack Silver