Polaroid Backs
As well as the conventional camera unit, Polaroid backs which fit onto a range of more traditional cameras from 35 mm SLRs to large format 5X4′s are also available. These backs allow the photographer to view the composition and make adjustments before taking the final shot on conventional film. The lighting can be checked and corrected if necessary and the exposure assessed. Prints can be collected and displayed in an album as a visual and technical record of how a shot was taken; this is especially useful as a reference when a similar composition is needed again.
Some of the film used in Polaroid backs produces a negative as well as a print. This means that it is not necessary to obtain copies from prints.
Polaroid cameras are unique among cameras as they provide an instant print within a few minutes. The prints can be either colour or black and white and begin to develop as soon as the film sheet appears from the camera; the sheets are impregnated with developing chemicals activated by pressure. Reprints can be made from the originals if they are sent away and copied. These, like the film itself, can be expensive.
The variety of Polaroids available range from the inexpensive ‘point-and-shoot’ models to those that have interchangeable lenses, built-in metering and flash. In the mid-price range is the image system; this has autoexposure, autofocusing and built-in flash, together with a range of accessories including a close-up lens. The film used in the image system model is supplied with a built-in battery that powers the camera: every time the film is replaced the battery is also renewed.
As well as the conventional camera unit, Polaroid backs which fit onto a range of more traditional cameras from 35 mm SLRs to large format 5 X 4s are also available. These backs allow the photographer to view the composition and make adjustments before taking the final shot on conventional film. The lighting can be checked and corrected if necessary and the exposure assessed. Prints can be collected and displayed in an album as a visual and technical record of how a shot was taken; this is especially useful as a reference when a similar composition is needed again.
Some of the film used in Polaroid backs produces a negative as well as a print. This means that it is not necessary to obtain copies from prints, where quality may be lost.
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