Lens Helios 81 H - 2.0 diaphragm, 53 mm focal length Rare good condition, looks like unused Has unique Swirly Bokeh, see please photos. It is must have Art LENS, Has bayonet Nikon F, possible for DSRL cameras Nikon Or you can use Lens in another camera with adapter from NIkon F to your DSLR camera Very comfortable, has light weight, 230 gram Diameter 56 mm, length 50 mm Condition is very good, comfortable manual focus. Fully working condition, jumping diaphragm, you can install from 2 till 16. You can use it on Mode M on every DSRL camera Nikon. Shipping!!! The painting will be carefully packed and shipped within 3 days