A-Premium Rear Center Brake Hydraulic Hose Compatible with Chevrolet, GMC, Buick, Cadillac, Pontiac and Oldsmobile Models - C10, C20, C30, K15, K25, Impala, Camaro, Blazer, Apollo, Seville, Firebird Is it inconvenient to carry OTA? Have a little trouble going out? SV211 handle bar is the solution to travel problems. It is suitable for close handling and protects OTA from damage. SV211 dovetail base can reduce collision and wear when taking the telescope somewhere. Taper matt tooth and spray matting paint design can greatly reduce the light loss of light in the entire lens barrel, making the image clearer and sharper; Unique design with double protection to avoid loss of light, making the images you observe clearer and sharper. Lightweight and portable. Designed for use with the guider CCD astronomy camera or eyepiece. 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 SVBony Helical Focuser - Page 2 - Equipment (No astrophotography Svbony Sv220 SVBONY SV550 APO Telescope, Bundle With SV211 Dovetail Svbony Sv28 This versatile 50mm aperture guide scope with a built-in helical focuser for precise focusing of potential guide stars. It is an ideal accessories to any astrophotographers. Easy to carry; SV211 handle bar is easy to carry when traveling and going out; no pressure to hold; suitable for short distance carrying protect the telescope; reduce collision and wear when taking the telescope somewhere Svbony 60mm Guide Scope with Helical Focuser - Dark Clear Skies for all... 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 Comfortable and convenient carrying handle; suitable for OTA SV503 (70 F6ï¼›80F7) SV550 (80F6); by adjusting the position of the handle; improve the safety factor of the product installation process The SV211 handle bar can improve the safety factor of procuct installation process.