Sony A7S II lens mount_Nikon S Leitz Canada Summicron-M 35mm f2

Leitz Canada Summicron-M 35mm f2 (type 4) lens in excellent cosmetic condition

and a Really Right Stuff L bracket with Arca-type mounting surfaces

and this viewer does exactly what you'd expect

and almost any F mount lens adapter

A nice vintage lens with the "old" aperture sequence (to f12

Sony A7S II lens mount_Nikon S Leitz Canada Summicron-M 35mm f2The Sony A7S II is a capable mirrorless camera with a full frame 12mp sensor, full HD video at up to 120fps, internal 4K30, a great EVF, in body stabilizer, and in body USB battery charging. If you've noticed the 12mp sensor and you're wondering what's up, the payoff is that you can set the ISO up to 409600, which is bananas. And yeah, it looks a bit dicey way up there, but it's still remarkable and at worst, you have a camera where ISO 12800 looks