The quick guide scope with helical focuser also features male t-threads on the focuser collar for secure threaded attachment of guide cameras equipped with female t-threads. This complete guide scope comes with two heavy-duty guide scope rings and a 3.5" long, 1.18"wide dovetail mounting bar, which is compatible with dovetail finder scope bases for easy attachment. the dovetail bar features five threaded through-sockets for versatile attachment options. the included guide scope rings feature six metal thumbscrews for precise aiming. High power guide scope features a machined, knurled ring to make fine focus adjustments nice and easy, while a thumbscrew lets you lock-down the focuser in-place once adjustments are complete. the focuser boasts 8 mm of precise helical focus travel, plus telescoping drawtube housing provides up to 30 mm of additional back-travel if needed for your particular autoguider device. Multi-use guide scope with helical focuser features a built-in helical focuser that allows precise focus adjustments with zero flexure for rigid performance. obtaining a clear, sharply focused view of potential guide stars is quick and easy with this sturdy scope. 50mm Guide scope will help guide you to capturing higher quality astrophotos. with its 50mm lens and smooth helical focuser, the versatile 50mm multi-use guide scope with helical focuser is an ideal addition to any astrophotographers collection of gear.

Lens Coating Description: Fully Multi-Coated. Item Weight: 1.7 Pounds. Finderscope: Reflex. Focus Type: Manual Focus. Product Dimensions: 11.02"D x 5.91"W x 5.91"H. Telescope Mount Description: Fixed Mount. Objective Lens Diameter: 50 Millimeters. Eye Piece Lens Description: Kellner. Optical Tube Length: 30 Millimeters. Brand: SVBONY. Country of Origin: China. Manufacturer: SVBONY. Date First Available: January 7, 2019. Is Discontinued By Manufacturer: No. Best Sellers Rank: #9 in Telescope Finder Scopes. Customer Reviews: 4.4 out of 5 stars 126 ratings 4.4 out of 5 stars. Item model number: FAUF9177B. : B07MPYDYLZ. Item Weight: 1.7 pounds. Product Dimensions: 11.02 x 5.91 x 5.91 inches.