The Manual of Photography |
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absorption acid alkali aperture blue bromide cell characteristic curve chemicals chrome alum coating colour developer colour filters colour materials colour negative colour printing colour temperature contrast correct couplers cyan density developing agent diffuse effect employed emulsion emulsion layer enlarger exposed exposure meter factors film speed fixing bath flash focal length focus focusing format formulae gamma gelatin give glass grains green and red highlights hydroquinone illumination image dyes increase lamps lenses light source log exposure magenta measured method metol negative materials normal obtained optical oxidised panchromatic paper Phenidone photographic materials Polacolor positive Potassium processing reflection reversal films safelight screen sensitised sensitivity sensitometry shadows shown in Figure shutter speed silver bromide silver halide silver image single-lens reflex camera sodium thiosulphate spectral spectrum suitable sulphite surface tank tion tone tungsten usually viewfinder washing WAVELENGTH WAVELENGTH nm yellow