Kaiser Negative Masks, 24 x 36 mm (0,9 x 1,4"), SYSTEM-V

For insertion into the K4583 compound negative carrier of SYSTEM-V enlargers and for K4493 compound negative carrier. Pair of inserts. Dimensions: approx. 100 x 72.5 mm (3.9 x 2.9 in.) 4486: Format masks 24 x 36 mm (35 mm) (a + b). With guide ridges for film strips and neg number read-out window.