Accessories For Optical Benches-Diaphragm

The Following Accessories Are Available Optiolly For Use With Optical Benches As Per Cat. Nos. 1110920 Are Provided With Metal Support Rods For Their Vertical Mounting In The Riders. The Sizes Of The Components And Lengths Of The Respective Mounting Rods Have Been Designed To Provide A Common Optical Center. (Diaphragm A Circular Moulded Plastic Disc With Six Different Size Of Apertures Is Fitted On A Rectangular Sheet With A Positive Click Stop Rotation So That The Aperture Of Circular Disc Always Coincides With The Aperture Of Rectangular Sheet At Every Step The Assembly Is Used To Find Out A Point Source From A Light Source.)