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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Total transmission ratio: 300:1
easy to adjust balance when installing a counterweight
Never leave your optic unsupervised
58 layers Reflectivity
On the gear of the saddle are three serial ports for various accessories such as ST4 guide cables and other serial based accessories
ZWO 30F4 Mini Guide Scope DISCONTINUED Counterweight Total transmission ratio: 300:1DISCONTINUED Lens Diameter: 30 mm Focal Length: 120 mm Weight (include guider ring and dovetail): 250 g Back Focus: adjustable,0~20 mm Focuser Type: front part focuser Tube travel: 20 mm Dovetail includes 1 4 screw hole.
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