Svbony SV165 Finder Scopes for Telescopes,Finderscope, 30mm Mini Guide Scope with Helical Focuser F4 120mm Multilayer Coating Compatible with ZWO QHY Auto Guide Camera by Amazon.co.uk

• Finder scopes for telescope; Compact Mini Guide Scope with a helical focuser and lock ring for precise focusing of guide stars; compatible with ZWO QHY and so on auto guiding camera

• Little guide scope for guiding\uff1bportable travel setup; doesn\u2019t affect your telescope\u2018s balance too much

• Portable finderscope; 30mm aperture f4 focal ratio is small enough to take outdoors easily; 342g weight adds hardly any weight to an astrophotography setup

• Accuracy finder scope; With 45mm back focus length make the focus of guide scope more accuracy; Ultra wide band fully muti-layer coating make the image crisp and enhance the precision of guider scope

• Durable telescope finder scope;Made of metal material and with nylon-tipped thumbscrews can prolong the service time ;built-in brass ring avoid guider camera to rotate