SVBONY SV165 Mini Guide Scope 30mm F4 Finder for SV305 Pro Compatible with ZWO QHY Orion Auto Guiding Cameras

Compatible with mainstream auto guiding cameras; 1.25in and M42 mount interface designed for compatible with SV305C Pro and compatible with Orion ZWO QHY and so on auto guiding cameras; this product cannot be used with Dielectric Mirror Star Diagonal and will not focus. (some camera models require additional accessories to assist in focusing). Sharp image; ultra wide band fully multilayer coated lens; double glass and the 30mm achromatic optics prevent irritating reflections can bring you bright and clear images.Additionally, the image is inverted when used with an eyepiece. This is normal.. 45mm back focus distance; allows easy and precise focus adjustments and f4 aperture optics provides a very wide field of view which will help to quickly find the target when performing astronomical observations. Nylon-tipped thumbscrews; comes with the mounting rings with plastic tipped screws as not to scratch the scope tube and it can be moved to any position. Quality craftsmanship; by using high-level CNC metal processing technology; SV165 guide scope has exquisite appearance; delicate feel and beautiful shape; fine workmanship bringing you visual enjoyment