Kaiser Negative Mask, for 5 x 5 cm (2 x 2") slides, SYSTEM-V

For insertion into 4583 compound negative carrier of SYSTEM-V enlargers and for 4493 compound negative carrier. Pairs of masks. Dimensions: approx. 100 x 72.5 mm (3.9 x 2.9 in.) 4485: Format masks 6 x 6 cm