Optivisor Lens No.10 3.5 X 4″

Description

This No.10 Optivisor Lens is made from glass, and has a 3.5x power magnification with a 100mm (4″) focal length. To interchange the lens, pinch together the lugs at the rear of the lens and push forward to release the lens. To replace another lens, simply push the lugs through the holes on the optivisor until they click into position. Designed for use with the No.10 Optivisor (999 234)

Catalogue Page Number p773