Nikon PB-6E brand_Kirk 8 Circular Fisheye is a

8 Circular Fisheye is a very small fisheye lens that provides an angle of view of 210 degrees

with minimal signs of wear and minor dust

" because it is not "good

Can be used on a bellows or on its own

feels great in the hand

Nikon PB-6E brand_Kirk 8 Circular Fisheye is aThe Nikon PB 6E is a bellows extension for use with the Nikon PB 6 bellows (sold separately), providing a total marked extension of up to 435mm. This extension does not do anything on its own: it needs to be used together with a PB 6 bellows or nothing useful will happen. But if you have a PB 6 and you need extra extension, here's the ticket. In excellent condition.