Other items like lens adapters may unintentionally have an effect similar to an extension tube.

Wide angle and telephoto lens adapters are available from Panasonic.

Lens adapters are generally easier to make when the camera body has a large lens mount.

The lens adapter gives the depth of field of a film camera, thus being able to do proper rack focus for story control.

Lens adapter: sometimes called a step-ring, adapts the lens to other size filters.

Carter started with their Micro 35mm lens adapter with the Nikon set up.

The SA130 lens adapters utilized a miniature version of the 3M Model 131 optics package.

How 35mm Lens Adapters Work (animation)

Other lens adapters create a wider angle of vision for the camcorder or provide it with greater telescopic power than its own built-in zoom lens.

A lens designed for a small flange focal distance may not be able to focus to infinity when a lens adapter places the sensor too far away.

Alternatively, the lens adapters would include optical elements and act as weak teleconverters, as well as possibly losing optical quality.

Panasonic AG-LA7200G Anamorphic Lens Adapter.

The film was shot with the Panasonic HVX200 with the SGPro 35mm lens adapter using Canon prime lenses.

A main source of such optical accessories is the Tokina Optical Corporation of Compton, Calif., which manufactures a wide range of lens adapters.

Interview sequences were shot on Sony EX1 cameras with a Letus 35mm lens adapter and the Canon 5dmk2 DSLR camera.

There are also lens adapters that allow a lens for one lens mount to be used on a camera body with a different lens mount but with often reduced functionality.

Mirrorless interchangeable-lens cameras, including Micro Four Thirds, usually use contrast measurement autofocus (phase detect is available on some models, such as the Nikon 1, or via a lens adapter).

One nice benefit of the iPhone 4S in particular is that you can use a wide variety of photo-related add-ons designed for the iPhone 4, including lens adapters, tripod mounts, and more.

Typical camera accessories are: spare batteries, lens adapters, matte boxes, optical filters, tripods, geared and fluid heads for smooth panning and tilting, follow focus systems, external microphone(s), and storage cases.

The WA lens adapter makes a 28 mm equivalent focal length, and with the Leica 28mm optical finder which fits the flash bracket, it makes a good quality WA camera.

Lomographische AG also makes Diana lens adapters for several major DSLR systems, including Canon EOS, Nikon F-mount, and Micro Four Thirds.

The object lens adapter system was exchangeable, thus object lenses of the systems Leica R, Leica M, Hasselblad, Mamiya 4, 5x6, and all mechanic object lenses from Canon (FD), Nikon, etc. can be used with the S1.