Allfarbenfilm

Additive 3 color: Beam-splitter, substandard

Alfacolour / Alfacolor

Subtractive 2 color: Bi-pack, duplitized film

Agfa bipack films

Subtractive 2 color: Bi-pack
AGFA BIPACK FILM The front film is orthochromatic and sensitive, therefore, to green and blue. The rear film is panchromatic and records red-orange only, there being a red-orange filter on the orthochromatic emulsion. In fact, this is a bipack of the ...

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