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Field camera

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A folding view-camera that's usually made of wood or light metal for use on location.

Related Terms

A button or lever on the camera that either stops the lens aperture down manually or electronically. This enables you to view the image at the aperture that will be used to take the picture. The view will be darker, but you will be able to see exactly what will and won't be sharp or in focus. See "Using the depth of field button" in the Techniques section.
A medium or large format camera that uses a ground glass screen positioned at the film plane to view the image. Theyre also known as field cameras.
A scale on the lens that indicates how much of the subject, from the nearest to furthest point from the camera, will be in focus.
Describes how much an imaging sensor has been cropped in relation to its full-frame equivalent. It always describes how many times larger the full-frame is in relation to the cropped sensor. Take an APS-C sensor with a crop factor of 1.6, for instance. This indicates the sensor is 60% of the size of a frame of 35mm film. The crop factor is used to calculate how much of the equivalent of the full-frame field of view the cropped sensor will have with a lens. In order to calculate this, one multiplies the focal length of the lens by the crop factor. A 1.6 crop-factor, for instance, will give a 100mm lens the same field of view as a 160mm lens on a full-frame camera.
MPO, or Multiple File Format, is a camera image format, first used on Fujifilm's Real 3D W1 camera. A file contains two or more separate jpeg images. On the Fujifilm camera it's a stereo pair that gives the realistic 3D effect when combined at the viewing stage.

On some Ricoh cameras MPOs are created from the Multi-Target AF mode, where seven photos are taken in quick succession, each at slightly different focus points. The files can then be merged to create a focus stack, with incredible depth-of-field.
An auto-exposure mode where you select the required lens aperture and the camera sets the necessary shutter speed, to give the correct exposure based on the auto meter reading. This mode is ideal for landscape and still-life photography where maximum depth-of-field is required. It's either indicated on the camera as AP (aperture priority) or AV (aperture value).