Five slit and hole diaphragms in a slide frame.
Dimensions: 50 x 50 mm²
Contents:
1 Slit, slit width 1 mm
1 Threefold slit, slit width 1 mm, slit spacing 5 mm
1 Fivefold slit, slit width 1 mm, slit spacing 5 mm
1 Apertured diaphragm, 8 mm diam.
1 "F-diaphragm“
