New ZWO 30F4 Mini 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

Specifications:

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.