Leica Summicron-M 50mm f2 (type 5) what kind of battery_Silver Oxide The Center-Filter is designed for

The Center-Filter is designed for use with 90mm lenses (this one is designated for the 90mm f8 in particular) but it may be usable on other lenses with a 67mm front thread

which is bananas

The Zeiss-Ikon 518/16 is a compact folding camera that shoots 6x6cm exposures on 120 rollfilm

8 is a tiny

This is not a little lens: it's 12cm long and about 8cm across the front

Leica Summicron-M 50mm f2 (type 5) what kind of battery_Silver Oxide The Center-Filter is designed forThe Leica Summicron M 50mm f2 is a classic standard lens for Leica M mount cameras. In excellent condition, with smooth focusing and light internal dust. Diaphragm moves well, but it's worth noting that there is a touch of oil on the blades which does not affect function. This version of the Summicron also has a built in retractable hood, which is a feature that should be on every lens. Only very minimal cosmetic wear a nice lens.