Nikon Series E 50mm f1.8 chemistry type_Stop This awkwardly-named device is a

This awkwardly-named device is a Holga DSLR lens with its focusing mechanism removed and a frankly kind of sweet special-effects filter system attached instead

Manual focus only

and the shutter speeds are good from 1/25s and up

It's very light (as you might have guessed) but it's also pretty solid- rigid enough for anything short of medium format

this TLA 20 is in excellent condition

Nikon Series E 50mm f1.8 chemistry type_Stop This awkwardly-named device is aThe Nikon Series E 50mm f1. 8 lens is a compact almost pancake lens (french toast lens?) with a fast f1. 8 aperture. It is compatible with film and digital Nikon F mount cameras (though function will vary). This one is in good condition overall, with clean glass with a couple larger specks of dust. Shoots great.