Celestron 94221 EclipSmart Solar Filter for 70mm refractor- Black

Get ready for the 2017 total solar eclipse with EclipSmart Solar Safe Products. Enhance your viewing experience with Celestrons EclipSmart Solar Filter for the PowerSeeker 70 AZ & EQ. With three Nylon safety screws to adhere the device to your telescope, you can be assured that the solar filter will not fall off and will provide Solar Safe, ISO compliant viewing. Instantly transform your normal PowerSeeker 70 (AZ & EQ) and Travel Scope 70 telescope into a yellow-light solar telescope ISO compliant solar safe film protects your eyes when viewing the sun, unlike some other filters on the market Solar film produced in the USA by American Paper Optics, one of the suppliers recommended by NASA for safe solar viewing. Designed from the telescopes lens cap for a snug, safe fit via 3 safety screws. Safety cap protects outer surface of filter when not in use. EclipSmart solar products feature Solar Safe filter technology providing the ultimate protection from harmful solar radiation, including both IR and UV light, and filters 99.999% of intense visible light. Celestron Solar Safe filter technology is GUARANTEED SAFE for direct solar observation and has been independently tested by SAI Global Assurance Services. Solar Safe products conform to and meet the transmission requirements of ISO 12312-2, Filters for Direct Observation of the Sun, EN 1836:2005 + A1:2007 (E) for an E15 Filter for the Direct Observation of the Sun and, AS/NZS 1338.1:2012, Filters for Eye Protectors.

Telescope Compatibility: Celestron PowerSeeker 70 AZ and EQ models, Travel Scope 70.
Filter diameter (external): 105.1 mm.
Filter diameter (internal): 100.6 mm.
Filter thickness: 22.9 mm.
Filter clear aperture: 42.0 mm.
Weight of filter: 29 grams/1 ounce.
Filter material: Celestron proprietary Mylar filter.
Nylon safety screws: Three.