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细节
Milfilmca no. 3979
36 x 24mm., with screw-fit microscope adapter and 1:3 reproduction ratio, Ibsor shutter with twin cable release, contained in maker's box with film spool
36 x 24mm., with screw-fit microscope adapter and 1:3 reproduction ratio, Ibsor shutter with twin cable release, contained in maker's box with film spool