Compatible with mainstream auto guiding cameras; 1.25inch 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 SV165 Mini Guide Scope Support sensitive auto guiding cameras for easy guide star acquisition

Getting this guide scope makes sense for most astrophotographers out there. If you're just starting out, SV165 Mini Guide Scope is easy-to-use and performs well. If you're at the other extreme, using SV165 Mini Guide Scope on your smaller imaging rigs is more practical than trying to mount a larger, more exotic guide scope. If portability is important to you, SV165 Mini Guide Scope's compact size and relatively low weight will cooperate with your requirements.

Great Fully Multi-Coated optics
SV165 Guide Scope Optic Glass is Fully Multi-Coated to eliminate chromatic aberrations and to keep the image crystal clear;Never worry about color fringing or chromatic aberration again.

For Auto Guiding Cameras
Designed for SV305 Pro Compatible with ZWO QHY Orion Auto Guiding Cameras

Dovetail includes 1/4″screw hole
SV165 Guide Scope can be directly connected to a tripod with UNC 1/4-20,so you can directly use it as a small telescope.This product cannot be used with Dielectric Mirror Star Diagonal.

Sturdy packaging
For convenient storage and transport, a die-cut foam lined tin case is included.It can well protect the product from being scratched during transportation

Specification:
Lens Diameter: 30 mm
Focal Length: 120 mm
Coated: FMC
Support interface: 1.25in Or M42*0.75 mount Camera
Focuser Type: Front Part Focuser
Back Focus: Adjustable
Dovetail includes 1/4″ screw hole
Tube Travel: 45 mm
Surface technology: Sandblasting oxidation
Material: Aluminum Profile
Net Weight: 342g / 0.75lb / 12.06oz
Body Size: 92x56x78mm / 3.62x2.20x3.07 in

Package Details:
1x SVBONY 30mm f/4 mini Guide Scope
2x Ring bracket with a dovetail
2x Nylon-tipped thumbscrews
1x Screws Tool
1x Dust Cover