Two-Speed 10:1 Focus Knob Mechanism for Explore Scientific and BRESSER 2.5-inch HEX Focusers
Ships from our USA warehouse via FedEx International.
Canadian duties and import taxes are calculated and paid at checkout, so there are no surprise fees at delivery.
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.
- 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)