Fitted in plastic frame, superior quality

A: Single 4x

B: Double 7x

C: Triple 10x

D: Gowland type Plano-convex lens of extra white glass. Unbreakable plastic lens holder and aluminium anodized cover Magnification 10x.

A. Regular Quality

B. Superior Quality

E: Single, diameter 40 mm, magnification 3.5x.