Variable Focus Lens Or Variable Focal Length Lens.

A zoom lens. e.g., 28-100mm; meaning a lens with a focal length capable of varying from 28mm all the way to 100mm, from landscapes to portraits.

View Camera

A camera, usually large format that has a ground glass back for viewing the subject.

Viewfinder

An optical device for framing and focusing an image in a camera.

Vignetting

The effect from blocking the light at the edge of an image. Can be caused accidentally by a combination of wide-angle lens and filters, or on purpose as a deliberate effect.

VR lenses

Introduced in 2000. Have a Vibration Reduction gyroscopic system allowing for stabilized crisp images handheld at very slow shutter speeds. The first of these was the 80-400mm f/4-5.6D ED VR AF Nikkor.