Solomark 90mm Solar Filter, Baader Planetarium Film, for 90mm Celestron Aperture Telescopes Plastic

This solar filter film could filter the sun's rays efficiently,allow you view the sun safety

Two sides high density coating without streak and blister point ensure the safety of the user's eye

High density coating aslo eliminate pinhole effect provide sun's true color neutral white,not blue or orange

For Celestron 90mm Aperture Telescope or Other Telescopes Front End Tube Out Diameter Approximately and Less Than 112mm

Optical density: 5.0 Aperture of the telescope