Photographers’ gobbledygook can be confusing! This photography dictionary will help you find the real significance behind that jargon.
One shot back
Digital camera back for Large or Medium format cameras that can shoot a scene in one pass like ordinary film (not three like the RGB Scanning backs) can therefore be used with live subjects, not just still life.
(see Large format & Scanning back)
Open flash
Method of using numerous flash firings to build-up 'flash power'. During which time the shutter is kept open, this method can only be used when the shutter speed is unimportant because of poor existing lighting.
(see: Existing Light, Flash range & Shutter speed)
Orthochromatic
Term used to describe 'Black & White' emulsions that are not sensitive to red light, B&W printing papers are usually orthochromatic.
(see Panchromatic)
Outdated
Film outside of the expiry date stamp, found on the film box. (this date indicates the useful life of the material in terms of maintaining its published speed and contrast.)
(see Contrast & Speed)
Over exposed
A situation in which too much light reaches the film or sensor and produces a dense negative or a very light positive image.
Over printed (or Overdevelopment)
Term indicating that the amount of recommended development has been exceeded. It can be caused by prolonged development time or an increase in temperature, and usually results in an increase in density and contrast.
(see Contrast)
Peter Ashby-Hayter, Bristol, U.K. Bristol Photographer
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