Lens, Biconvex, Acrylic

Description

Glass, one each double convex, Plano – convex, concavo – convex, convexo – concave, Plano – concave and double concave lens, in box. Sizes in 38mm and 50mm.
Lenses, Set of Six (50mm).

Description

Diameter 25 mm, mounted in plastic eye-grip frame
x 2.5 x 3 x 3.5 x 4

Description

Wooden, with V shaped slot to take spherical lens or mirror up to 75 mm diameter, with index mark.
Lense holder, Wooden, 'V' Shaped.

Description

Equilateral, 60° x 60° x 60°, 57 mm side