Two-Speed 10:1 Focus Knob Mechanism for Explore Scientific and BRESSER 2.5-inch HEX Focusers - 625720
$99.99
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Description Sometimes you need that precision focus adjustment, especially for high-power observing or for making images. The Two-Speed 10:1 Focus Knob Mechanism for the 2.5-inch HEX Focusers found on Explore FirstLight and select BRESSER Messier telescopes, provides a smooth course focus and a precision ultra-fine focus. Features Precision all-metal construction with stainless-steel ball bearing for super-smooth action. Attractive silver and black bead-blast finish. Dual-Speed focusing mechanism with a 10:1 reduction ratio for course and ultra-fine focusing. Weighs only 5.6 oz. (159 grams) CA Residents: Prop 65 WARNING(S)
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