SVBONY SV106 Guide Scope Double Helical Focuser Telescope Finder Mini Guide Scope Astronomical Telescope Accessories 60mm 240mm Focal Length F/4

No extension tube required; the focuser boasts 8 mm of precise helical focus travel and has a telescoping retractable housing to provide up to 35 mm of additional backtravel if required, depending on the specific autoguiding device. High-quality astrophotography: This durable and long-lasting 60mm guide scope will help you take higher-quality astrophotography. Precise Focus Adjustment: The 60 mm multi-use guide scope with helical focuser allows precise focus adjustment with no zero deviation and provides stable performance. This feature means that this guide scope does not shift as the focus is adjusted, further improving ease of use. Dual-purpose; For those nights when you don't intend to take astrophotography, this versatile guide scope comes with a 1.25 inch eyepiece and can be used as a finder scope. The multi-use guide scope with helical focuser features a male T-thread in the focuser collar for securely screwing in a guide camera equipped with a female T-thread. 1. Easy operation; First, insert the eyepiece into the guide scope, then easily align the guide scope and astronomical telescope, then remove the eyepiece and attach the auto guider camera. Easy operation: First, insert the eyepiece into the guide scope, easily align the guide scope and astronomical telescope, then remove the eyepiece and attach the auto guider camera. Precise Focusing The focusing head of the SV106 series guide scope adopts the pull type and double thread focusing mode, which is very suitable for precise focusing during shooting. A PL level eyepiece is required. The focus of guide scope is mainly PL level eyepiece, or SPL based. Situations of use: You can search for and observe celestial objects such as stars and constellations in the deep sky. It can be used as a finder scope for nights when you don't intend to take astrophotography. Applicable model number SV106 guide scope is applicable to the currently popular guide CCD focus, QHY5II, QHY generation, STI, DMK, ZWO, SG4, etc.