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  1PC Metal Solar Filter Sun Film Membrane Lens Cap for Astronomical Telescope


- 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 eye.
- High density coating aslo eliminate pinhole effect provide sun's true color neutral white,not blue or orange.
- The 90mm solar filter will fit a telescope with an internal objective tube diameter of about 112mm. It can also be used on a telescope with an external tube diameter of about 102mm although it is designed for internal tube fitting.
- Main performance: observation of sunspots, solar eclipse and other astronomical scene.


- Product Type: Bard Film
- Applicable Models: 90mm Caliber Universal
- Optical Density: 5.0 Aperture of the Telescope
- Outside Diameter: 111mm
- Inside Diameter: 103m
- Material: Metal Frame + Glass

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 Package Includes:

1 Piece Solar Filter Lens Cap


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Filed under: Eyepieces & Accessories