Bi-convex lens fitted in nickel plated metal frame with metallic handle.

Diameter Focal Length Magnification

(a) 50 mm 10 cm 3.5 x

(b) 50 mm 15 cm 2.5 x

(c) 60 mm 15 cm 2.5 x

(d) 60 mm 20 cm 2.25 x

(e) 75 mm 15 cm 2.5 x

(f) 75 mm 20 cm 2.25 x

(g) 100 mm 15 cm 2.5 x

(h) 100 mm 20 cm 2.25 x

Fitted in unbreakable plastic mount with handle

(a) Dia 40 mm (b) Dia 50 mm (c) Dia 60 mm (d) Dia 75 mm