Nikon 16-35mm f4G ED N VR AF-S Nikkor  type_Light Modifier from the earliest manual focus

from the earliest manual focus models to the newest digital ones- so if you're looking for an "all purpose" lens and you've got a Pentax camera

mostly around the bottom

this twin bracket system includes two vertical mounts with adjustable 1/4" threads for camera mounting

One button does it all (all = takes a picture)

Nikon 16-35mm f4G ED N VR AF-S Nikkor &nbsptype_Light Modifier from the earliest manual focusThe 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. This lens is in near new condition, with clean glass and excellent image quality. Includes lens hood and softcase.