Description: 5.0 Density Astronomical Telescope Solar Filter 40mm for Celestron 80EQ, 80DX, 130EQ. Safety Observation?to protect your eyes safe observing the sun, sunspots, eclipses, and planetary transits. Optical Density?5.0 aperture of the telescope. High Density Coating?provide the true color of sun-neutral white. 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 Includes: 1x Telescope Solar Filter
