Posts tagged printing

tone reproduction

photography, monochrome, blakc and white, greyscale, zone system, printing, tone, tonal range

The Zone System and in general every rule that matches the dynamic range of the capture medium and the maximum contrast of the scene tries to get two results: correlating the minimum and maximum points of subject contrast with the dynamic range/contrast index of the recording material and to record the maximum number of tones between these extremes. When working with black-and-white materials (Leica Monochrom and black-and-white silver emulsions) a third parameter is required: the spectral sensitivity of the material must equal the spectral sensitivity of the eye. This introduces a subjective factor, because every human will have a different perception of the brightness of colors.–10/colorimetryM9.html

Alternative Printing: A Conspectus

printing, process, photography, darkroom, chemistry, alternative

The full gamut of photographic printing processes may be little-known to contemporary photographers, who have been educated largely within the mainstream of the silver-gelatine tradition. My intention here is to help restore some of the ‘lost’ options by providing you with a handy reference list of the better-known alternative processes and an outline of their characteristics and working methods, without any detailed formulae or procedures. This should enable you to decide if 'there might be anything in it for you’. If so, then the texts listed in my bibliography should provide you with an entry into the practice