Leitz Summicron 5cm f2 (collapsible) series 7 and 36mm) has electronic passthrough

and 36mm) has electronic passthrough contacts for communicating exposure information from newer lenses to newer cameras (and vice versa)

Compact and easy to use

with power cord

most notably a bit of loose stitching around one edge of the ‘Domke’ label

slight edge peeling of trim inside the top flap which doesn't affect function

Leitz Summicron 5cm f2 (collapsible) series 7 and 36mm) has electronic passthroughLeitz Summicron 5cm f2 lens for Leica M mount, just back from a full professional CLA. Focusing and diaphragm operation are excellent; glass is clean, with very light front element cleaning marks which won't affect imaging. A very early example: this lens was made in 1954, the same year the M3 was born.