Nikon 10-24mm f3.5-4.5G ED AF-S DX Nikkor brand_Rokinon or you can screw it

or you can screw it into a mounting surface using the pre-cast through holes

The Canon EOS Rebel T3i is a compact DSLR that shoots 18mp stills and 1080P HD video

The Nikon 800mm f5

and it looks just like the normal 120 back

But you can use it in manual focus mode

Nikon 10-24mm f3.5-4.5G ED AF-S DX Nikkor brand_Rokinon or you can screw itThe Nikon 10 24mm f3. 5 4. 5G ED AF S DX Nikkor is a nice, reasonably compact ultrawide lens for Nikon DX format DSLR cameras. Distortion is generally well controlled (though you can't really get away from it at these focal lengths) and the AF S focusing is quick. In excellent condition, with minor internal dust. Includes hood.