Two-Speed 10:1 Focus Knob Mechanism for Explore Scientific and BRESSER 2.5-inch HEX Focusers 114mm Generally these items come from

Generally these items come from one of three sources: returned

spinning a color wheel or ringing a bell

The lateral altitude wheels can now be stowed comfortably in the foam layers of the mirror box

road-tripping

Two-Speed 10:1 Focus Knob Mechanism for Explore Scientific and BRESSER 2.5-inch HEX Focusers 114mm Generally these items come fromSometimes 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.