- Optical thin film aperture
- Sturdy aluminum outer cell secured to the telescope with an nylon thumb screw
- Safe for direct viewing and photography: 99.999% sunlight blocked
- Natural orange solar image
- Packaged in a foam lined storage box
Product Features |
Product Description
This size filter will fit any telescope with an optical tube diameter of 143-149mm. It is made with a sturdy aluminum outer cell that houses an optical thin film aperture. The thin film is a .002" thick black polymer. It is safe for direct viewing through the telescope and for photography. It is rated as a neutral density 5. You are buying this directly from the manufacturer and it has a 30 day money back guarantee. Also included are instructions for use and care.
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