Film Solar Filter 84‑110mm Solar Filters Accessories for Astronomical for Solar Eclipse

Feature: 1. Solar Film Substance: It is actually a solar filter, but different from a solar filter. Astronomical telescopes must add a filter to observe the sun. Otherwise, it will damage the eyes and instruments. The sun is so bright that it is easy to find the sun in a telescope, even with the addition of a solar film. 2. PET Coated Aluminum Foil Film: This solar observation film is called solar film in the industry. Reddish yellow sun is seen through the film solar filter. Can be used to do naked eye observation for visual use, also used for astronomical photography. 3. Advantages of Solar Film: The advantage is that the solar film is not easy to break, suitable for natural environment for a long time, especially in photography, do not h