• Suitable for OTA with focal length within 700mm; SV165 compact mini guide scope can be used with astronomical telescopes with focal length within 700mm
• Clear and sharp vision; fully multi-coated and achromatic optical glass brings you clearer and sharper vision in astronomical observation and astrophotography
• Compatible with guide cameras; the 1.25-inch and M42 threaded interface is compatible with SV305 Pro and Orion ZWO QHY and so on auto guiding cameras; guidescope with two T2 extension tubes can assist focusing
• Front focuser with scale; it is convenient to mark the focus position to improve the efficiency of Repeating focusing; Locking ring can ensure that the focus position does not change during use
• Six-point guide ring; the angle-adjustable six-point fixation method can adjust the coaxiality of the guide scope and the main telescope according to the needs