OBJECT SCREEN
A circular metal screen 75mm dia, with 10mm central aperture covered with 1.5mm mesh wire gauze. Mounted on a 6mm brass rod. The optical centre height is 80mm appгох.
A circular metal screen 75mm dia, with 10mm central aperture covered with 1.5mm mesh wire gauze. Mounted on a 6mm brass rod. The optical centre height is 80mm appгох.
Full Specifications:
