Lens: Dia. 50mm, -200mm Double Concave
Item # 92-7700-09
Double concave lens with a 50mm diameter and -200mm focal length
|Lens: Dia. 50mm, -100mm Double Concave Item # 92-7700-07||
|Lens: Dia. 50mm, +100mm Double Convex Item # 92-7700-05||
|Lens: Dia. 50mm, +200mm Double Convex Item # 92-7700-06||
|Lens: Dia. 50mm, +300mm Double Convex Item # 92-7700-10||
50mm diameter double concave lens is made of plate glass with a carefully ground and polished optical surface and cleanly ground edges. Focal length of this lens is -200mm.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.