Sony A7S II lens mount_Nikon S and this viewer does exactly

and this viewer does exactly what you'd expect

with very minor surface marks on the filter which won't affect imaging (but they're there

2 without the use of extension tubes

with some paint loss along the edge of the elements (the classic Schneideritis) which does not affect the image

Sony A7S II lens mount_Nikon S and this viewer does exactlyThe 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