Sigma EX 10-20mm f4-5.6 DC HSM for Nikon F brand_Domke but here presented in a

but here presented in a Nikon mount

with minor bellows wrinkles which don't affect function

Simple and easy to use

9 is a 13-stop filter for standard 100x100mm square filter holders (sold separately

The shutter speed is fixed (at about 1/60s) but there's a Bulb setting (indicated here by T) for long exposures

Sigma EX 10-20mm f4-5.6 DC HSM for Nikon F brand_Domke but here presented in aThe Sigma EX 10 20mm f4 5. 6 DC HSM is an ultrawide lens for DX format Nikon DSLR cameras. Relatively compact for an ultrawide lens, with a built in focusing motor for compatibility with any Nikon DSLR. In very good cosmetic condition, with minor finish wear.