Check the listing for details. Solomark Adjustable 86-117MM Diameter Solar Filter, Astro Telescope Baader film. Condition: New. Listed at 23.85 USD. Product Description QHFT039 86-117MMSolomark Deluxe Adjustable 86-117 Mm Inside Diameter Solar Filter, Baader Planetarium Film, for 86-117mm Aperture Telescopes-astrosolar Safety Film Visual-explore the Sun Safely Through a Telescope-discover the Fun of Daytime AstronomyExplore the Sun safely through a telescope with this high-quality solar filter featuring Baader film in a sturdy Plastic Frame.Adjustable inner diameter from 86mm to 117mm, to fit the outer tube of telescope 86-117mm, what you get is not for a single telescope, it will cover the most popular range of astronomy telescope.Once attached to a telescope, these filters provide sharp, scatter-free views of sunspots, solar eclipses, planetary transits, solar granulation, and even white filamentary faculae - the latter of which cannot be seen with most other solar filters..Baader Quality Film , the ensurance of quality.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.Before using any telescope for solar observing, make sure to install all dust caps or other protective covers on all optical components such as finder scopes to keep sunlight from passing through them.Glancing through an uncovered optical system, even for an instant, can cause permanent eye damage.Always install protective caps on all optical instruments if left out during daylight hours..With this filter the Sun will be of a neutral, eye-pleasing white color. Optical density: 5.0 Aperture of the telescope, mm: 86-117 It is made by plastic. New in box. Shipping We ship by USPS, UPS or FedEx.U.S. international shipping Is through eBay Global shipping program. We will ship only after payment clears. We typically ship within one business day after payment clears. The shipping charge DOES NOT include insurance. We recommend buyer purchasing insurance. Terms and PoliciesAll returns are subject to inspection. We reserve the rights to decline warranty if we suspect any fraudulent actions upon returns such as tampering/ exchange item/ misuse that cause damage to item. Product will be shipped back to sender at buyer's cost. Buyer pays for return shipping, Seller will pay for replacement shipping. Please contact us before ship item back. We will reject any returns without RMA (Return Merchandise Authorization). Seller invested best effort to provide accurate technical information. These information, however, are provided for buyer's convenience only. Please be advised, double-check information before you make buying decision.