Slit image rotation0 to 180 degree filter Disc. Cobalt filter, Green Filter, Yellow Filter, Natural Diensity and Open aperture slit Disphragm Disc Six Apertures of 12, 9, 7, 3, and 0.2 mm and a wedge shaped diaphragam fo infinitely variable slit lengths halogen lamp 12volt 4.5 Amp
Slit image rotation0 to 180 degree filter Disc. Cobalt filter, Green Filter, Yellow Filter, Natural Diensity and Open aperture slit Disphragm Disc Six Apertures of 12, 9, 7, 3, and 0.2 mm and a wedge shaped diaphragam fo infinitely variable slit lengths halogen lamp 12volt 4.5 Amp