Product Name:

40mm Baader Film 40mm Telescope Solar Film 5.0 Density Solar Filter Film for Celestron 80EQ, 80DX, 70400, etc. 40mm Small Cover

Description:

1. A telescope must be equipped with a Baader film to observe the sun. Otherwise it can burn the fundus and the instrument. The sun is very bright, and it is easy to find the sun in the mirror even with a Baader film.

2. Baader film is a kind of solar filter. What is different from other similar products is that while reducing the light and harmful radiation, Bard film does not reduce the contrast of the subject,  using Baader film as a solar filter can achieve better image quality, and can even easily record the sunspot activity on the surface of the sun. The appearance of the Baader film is a silver film.

3. 5.0 density astronomical telescope solar filter 40mm for Celestron 80EQ, 80DX, 130EQ.

4. Safety Observation: to protect your eyes safe observing the sun, sunspots, eclipses, and planetary transits.

5. Optical Density: 5.0 aperture of the telescope.

6. High Density Coating: provide the true color of sun-neutral white.

7. Never look at the sun directly without the protection of solar filter.

Specification:

- Material: baader film

- Diameter: 40 mm/1.57 inch

- Applicable models: 40mm caliber

- Optical density: 5.0 aperture of the telescope

Package included

1pc * 40mm Bard film/Solar Film Density 5.0