Kit sortimento Moldura de filtro solar para telescópios refletores Newton

Cardboard kit for an attachable filter that allows direct viewing of the Sun's disk with the Sunwatch Newtonian reflector telescope (Product No. 1328), for observing sunspots for example.

The filter consists of double-aluminized Baader Astro Solar film with a filter factor of 1: 100,000 (optical density of 5) proved itself over millions of uses during the 1999 solar eclipse and provides optimum safety for the eye.