Andoer Film Solar Filter for 144‑170mm Objective Eye Protection Reduce Light Radiation Solar Telescope

Feature: 1. Related Parameters: Outer Diameter of the frame 176mm, support objective size range 144‑170mm, light aperture 152mm, screw M5 16mm. 2. Solar Film Essence: In fact, it is a solar filter, but it is different from a solar filter. Telescopes must be fitted with filters to observe the sun. Otherwise, eyes and instruments will be damaged. The sun is so bright that it is easy to find the sun in a mirror, even with a solar film. 3. PET Coated Aluminum Foil Film: Defined as a solar film, this solar observation film is called solar film by astronomers, and it is called solar film in the industry. Solar film as a new product, the name only represents such a product, it can be used for visual observation of the naked eye, but also for ast