Nikon 16mm f2.8 AIS Fisheye-Nikkor brand_Manfrotto or you can use it

or you can use it by itself in case you're just curious how far away something is

It is also incompatible with F-mount adapters

optics show very light cleaning marks and very light internal haze

with only very minor wear

big enough for 8x10 transparencies or full-page negative storage sleeves

Nikon 16mm f2.8 AIS Fisheye-Nikkor brand_Manfrotto or you can use itThe Nikon 16mm f2. 8 AIS Fisheye Nikkor is, as you may have guessed, a fisheye lens. It records a 170 degree image from corner to corner with all the circular distortion you'd expect from a fisheye. But it's a full frame fisheye, so it will produce an edge to edge image that takes full advantage of your sensor's resolution. In excellent condition, with very minor cosmetic wear; glass is free of haze and fungus, with only minor dust and a few