Pull processing.

Pull processing is a technique that compensates for overexposed film by under-developing it at the processing stage.

The overexposure is usually accidental, since there are rarely advantages in rating film slower than it actually is. But if you set your camera to ISO 200 when there’s a roll of ISO 400 film installed, for example, pull processing can be used as a last-ditch attempt to minimize the damage.

Pull processing increases the contrast and grain of the film. Also, not all labs are able to pull process film - minilabs often can’t - and those that can usually charge an extra fee for the service. Pull processing is most commonly used with black and white and slide film, as colour print film has such wide exposure latitudes anyway.

cf. contrast, grain, processing, push processing.

Entry last updated 2002-04-03. Term 978 of 1487.

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