Buy Orion 07798 4 57 Inch Aperture Filter
| Orion 07798 4.57-Inch ID Full Aperture Solar Filter (Black)   |
Orion 07798 4.57-Inch ID Full Aperture Solar Filter (Black) Details :
- A must-have for safely observing the sun and sunspots without damaging your eyes
- 4.57 inch Inside diameter optical glass filter fits snugly over your telescope\'s front aperture to block 99.999% of incoming sunlight for safe observation and astrophotography
- Glass filter elements are machine-polished and triple-coated with nickel-chromium stainless steel and fits telescope tube diameters up to 0.25 inch smaller than specified size of 4.57 inch
- Each Orion telescope solar filter includes three equidistant thumbscrews, 4x 1/16 inch thick adhesive foam tabs, and 4x 1/8 inch thick adhesive foam tabs for customized friction fit to your telescope
- Note: All Orion solar filters are designed for use with an adequate friction fit attachment. Thumbscrews should ONLY be used to keep filter securely in place once a friction fit has been achieved
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