Zeiss SL 120 Documentation

Also see for SL 120: User manual

Description of the instrument000000-1490-499-GA-GB-090118181 Lamp housing2 Slit width control, 0 mm to 14 mm, continuously adjustable, marks at 0.3/1/2 mm3 Decentering controls for retroillumination4 Diffusor for diffuse illumination, can be flipped up onto the prism head.5 Scale for horizontally inclined illumination(only in version with tiltable prism head)6 Knurled control for setting 0° to 20° horizontally inclined illumination(only in version with tiltable prism head)7 Filter setting wheel(with green filter (red-free), free aperture and blue filter)8 Scale indicating slit rotation(Slit is rotated via the thermally insulated cover of the lamp housing.)9 Slit length control, variable in steps of 0.3/3.5/ 8/14 mm, continuously 1 mm to6 mm with scaleFig. 5 Controls of the slit projector