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.)
4486: Format masks 24 x 36 mm (35 mm) (a + b). With guide ridges for film strips and neg number read-out window.