Convex Optical Mirror - Glass, 5.9" (150mm) dia. 300mm Focal Length Pack Size_12 75-inch mouth on a 4

75-inch mouth on a 4 by 4 inch base

Cut-away section on this chloroplast model exposes grana stacking

and frequency response side by side

Bicycle dynamo on a 4mm-socket base with a parallel-wired MES lamp and 2

chrome metal frame and 75mm aperture pairing wide field of view with moderate magnification for reading tasks

Convex Optical Mirror - Glass, 5.9" (150mm) dia. 300mm Focal Length Pack Size_12 75-inch mouth on a 4Optical Convex Optical Mirror 150mm diameter 300mm Focal Length This round convex glass mirror is designed for physics and educational uses. Designed for physics and educational uses. Because of their educational use design, there may be minor imperfections that do not affect physical function. Optically worked, silvered back with protective coating. Dia 150mm, focal length 300mm