Their signature feature is the ability to change lenses - fitting anything from ultrawide to extreme telephoto to specialty types.

A polyoptic lens wheel to allow users to change lenses just by rotating the wheel.

One of the most famous reversible photochromic applications is color changing lenses for sunglasses, as found in eye-glasses.

A manually inserted blade known as a dark slide allows the film to be covered when changing lenses or film backs.

His hands were quick and competent as he changed lenses.

If I want to change lenses, it's easy to move the filter holder from one lens to the next.

She then changed lenses and took a dozen quick close-up pictures of the warden standing next to Troy.

The purpose is to allow the wearer to easily change lenses when light conditions or activities change.

Ding was catching on, his superior saw, changing lenses and locking in on individual faces.

Duke has grabbed some pix and Mike is waiting to let him change lenses.