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Cameras and Developers
Printing by Contact
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acid ammonium Autochrome bleached blue bright brush camera chromatic aberration coated color condensers contrast curve dark density depth of field desensitizers detail developing solution diaphragm diffuse dilute dissolved distance effective electrons emulsion side enlargement exposed exposure ferrotype Figure filter fixing bath fixing solution focus focussed formed gas filled tube gelatine grains grams ground glass highlights hydroquinone hypo illuminated immersed increased infra-red intensification lamps lantern slide lens light magnification method metol minutes mounted moved negative objects obtained orthochromatic panchromatic emulsion panchromatic film photograph picture placed plate holder portions portrait position posure Potassium bromide Potassium ferricyanide produce rays reduced removed safelight scattered screen sensitive shadows sheet shutter silver bromide silver halide sodium carbonate Sodium sulphite solu soluble Spherical aberration strike strip surface tank temperature tion tones tray tube undyed usually velopment washed wave lengths X-rays yellow