This is a 6 x 4.5cm Mask for the Kaiser compound negative carrier, used in the System V enlargers. It has guide ridges for film strips and a negative number read-out window.
The mask is about 3.9 x 2.9", (100 x 72.5mm).
This is a 6 x 4.5cm Mask for the Kaiser compound negative carrier, used in the System V enlargers. It has guide ridges for film strips and a negative number read-out window.
The mask is about 3.9 x 2.9", (100 x 72.5mm).