Laowa 100mm f2.8 CA-Dreamer Macro 2x for Nikon F brand_ROR The B+W NL5 is a

The B+W NL5 is a high quality +5 diopter attachment for lenses with a 49mm front filter thread

Linhof Green 2 filter in 70mm slip-in format

In remarkably nice shape considering it's more than 100 years old

it'll lock the shutter

B+W 061 Green F-Pro filter for lenses with 67 mm threads

Laowa 100mm f2.8 CA-Dreamer Macro 2x for Nikon F brand_ROR The B+W NL5 is aThe Laowa 100mm f2. 8 CA Dreamer Macro 2x is a manual focus macro lens for Nikon F mount cameras. This is a good quality lens that provides macro magnification all the way to 2: 1 without the use of extension tubes (and it can focus to infinity, too.) In excellent condition.