ZWO 30F4 Guidescope
Great for scopes up to 1000mm Focal length. Ultra lightweight.
Perfect match for Premium Refractor scopes.
C/S Mount suits all ZWO cameras and Mini Autoguide cameras
Lens Diameter: 30 mm
Focal Length: 120 mm
Weight (include guider ring and dovetail): 500 g
Back Focus: adjustable,（0~20 mm）
Focuser Type: front part focuser
Tube travel: 20 mm
Dovetail includes 1/4″ screw hole.