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ZWO 30mm f/4 Mini Guide Scope for ASI Cameras # 30120
Parameters Lens Diameter 30 mm Focal Length 120 mm Weight (include guider ring and dovetail) 250 g Back Focus mm） Focuser Type front part focuser Tube travel 20 mm Dovetail includes 1/4″ screw hole.Lens Diameter 30 mm Focal Length 120 mm Weight (include guider ring and dovetail) 250 g Back Focus mm） Focuser Type front part focuser Tube travel 20 mm Dovetail includes 1/4″ screw hole. Dimensions 5.47 x 5.43 x 2.4 inches, Weight 10.6 Ounces, model number Rank Lens Extension Tubes 

Price is $112.00

Price: $112