Two-Speed 10:1 Focus Knob Mechanism for Explore Scientific and BRESSER 2.5-inch HEX Focusers f/6.5 Item Number FE03–020

Item Number FE03–020

and prepping tools—this kit is perfect for budding scientists ready to dive into microscopy

minimizing harm during collection

5mm) offer magnifications of 18x and 28

Two-Speed 10:1 Focus Knob Mechanism for Explore Scientific and BRESSER 2.5-inch HEX Focusers f/6.5 Item Number FE03–020Sometimes 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.