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Principles of Printing Exposure Estimation
Measureable Characteristics of a Negative
Principle of Spot Photometry
16 other sections not shown
adjusted Agfa-Gevaert aperture blue filter blue light bromide papers cadmium sulphide calculator calibration CdS cell characteristic curves circuit colour negative colour printing colour temperature correct densitometer density range Dmax Dmin enlarger baseboard enlarger easel enlarger lamp enlarger lens enlarging photometer exposed exposure required factor film filter pack glass grade of paper green and red Ilford instrument Kodak layers lens aperture limiting points log exposure range magenta and cyan masking board measured Melico meter readings method microammeter mid-tone negative stage neutral density filter obtained on-easel optical bench paper curve paper speed photocell photographer photometry plywood position printing exposure printing filters printing paper reciprocity failure red light safelights screwed selenium sensitivity sensitometry shown in Figure shunt slide spectral speed numbers spot photometer standard negative stop strips suitable switch total density transmission tricolour filters tricolour printing unknown negative wedge Weston Master Wratten Wratten filters yellow