Nikon F accessory mounting shoe darkroom and there is some truly

and there is some truly epic pincushion distortion going on here

The Nikon 16-35mm f4G ED N VR AF-S Nikkor is a professional full-frame ultrawide zoom lens for the F mount with a fast f4 constant aperture and a handy image stabilizer system for steadier shooting

but a really nice lens all the same

with a particularly thick bottom pad and a semi-rigid internal structure

and diopter adjustment is smooth

Nikon F accessory mounting shoe darkroom and there is some trulyIt's a Nikon F accessory shoe, meant to hold a flash or similar small accessory with compatible mount. This is a cold shoe, so if you're using it for flash work you'll need a separate cable (not included) to connect the flash to the camera.