Leitz Summicron 5cm f2 lens mount_M42 This is a pretty sophisticated

This is a  pretty sophisticated meter with ten-point averaging and cine mode- plus a weirdly retro-futuristic LCD display that wraps around the viewing area

but Nikon made less than 500 of them between 1983 and 1988

That's about all it does

Good shutter speeds and metering

Walz Bay 1 #301 (yellow) filter for the Bay 1 bayonet filer mount

Leitz Summicron 5cm f2 lens mount_M42 This is a pretty sophisticatedLeitz Summicron 5cm f2 lens for Leica M mount in very good condition overall, with minor cosmetic wear on barrel, smooth focusing. Glass shows minor dust, a few small (< 1mm) spots of coating wear on the front element which will not affect function. This lens has just come back from a professional CLA.