Orion 7730 4.30-Inch ID Full Aperture Solar Filter
Free Shipping Included! Orion 7730 4.30-Inch ID Full Aperture Solar Filter by Orion at C Starr. MPN: 7730. Hurry! Limited time offer. Offer valid only while supplies last. Designed to fit snugly over the aperture of your telescope, these optical glass filters block 99.999% of incoming sunlight, allowing you to safely
Designed to fit snugly over the aperture of your telescope, these optical glass filters block 99.999% of incoming sunlight, allowing you to safely observe sunspots and solar granulation in the Sun's photosphere. The Sun appears in a natural, whitish color. The glass elements are machine-polished and triple-coated with nickel-chromium stainless steel for a scratch-resistant surface. Each filter has three nylon thumbscrews to ensure a snug fit to the front of your telescope or binocular. The thumbscrews complement the press-fit foam lining inside the filter's durable aluminum cell to accommodate diameters up to 1/4" smaller than the nominal size. A tight press fit is still required for safe solar viewing. Lifetime limited warranty. CAUTION: Never look at the Sun, either directly or through a telescope, without a professionally made protective solar filter installed that completely covers the front of the instrument, or permanent eye damage could result.
Features & Highlights
- A must-have telescope filter for safely observing the sun and sunspots without damaging your eyes or your optics
- Optical glass filter fits snugly over your telescope's aperture to block 99.9% of incoming sunlight
- Glass elements are machine-polished and triple-coated with nickel-chromium stainless steel
- Each Orion telescope solar filter includes three equidistant thumbscrews, 4x 1/16" thick adhesive foam tabs, and 4x 1/8" 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
|Package Weight:||0.45 pounds|
|Package Size:||6.3 x 2.3 x 2.3 inches|
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