TELESCOPE MODEL ASTRONOMICAL

PRODUCT DESCRIPTION

SKU: GP0505B

Comprising a convex lens 38mm diameter x 150mm focal length, mounted in a plastic tube 400 x 50mm diameter, and a double convex lens 50mm diameter 500mm focal length mounted on a tube 400 x 55mm diameter. The small tube is located in the large tube by means of foam plastic rings which provide an effective sliding light seal.