Adapter ring

Placed on a bellows attachment or directly on the camera, this adapter ring allows lenses to be reversed for macro photography. Reversing the lens improves image quality at ...

lens adapter ring

Photography; Professional photography

A ring placed on a lens to allow a converter to be attached.

lens adapter ring

Photography; Lenses

A ring placed on a lens to allow a converter to be attached.

ring

Retail; Supermarkets

Scanning a product or tabulating a retail price on a register system.

rubber lens-mount gasket

Photography; Professional photography

A flexible rubber gasket that forms a seal between the lens and the camera body.

subject-to-camera distance information

Photography; Professional photography

The data supplied to the camera by the lens indicating the distance from the camera to the subject. This information makes possible advances like 3D Color Matrix Metering II and ...

vignetting

Photography; Professional photography

A loss of brightness or saturation at the periphery of an image; usually not desired, but sometimes used to create a vignette framing the subject at the center of the image.

special effects mode

Photography; Professional photography

A mode in which the user can create artistic results simply by adding special effects to still images and movies. To select an effect, the user rotates the mode dial to EFFECTS ...

still picture

Photography; Professional photography

A photograph (static image) as opposed to a movie (moving picture).

stop-motion

Photography; Professional photography

Generic term for an animation technique which makes static objects appear to move. This is done by recording each movement of the object as an individual frame, when each frame ...