Focusers

Explore Scientific Rack and Pinion Focuser Extension Tube adds half an inch to our 2-inch Rack and Pinion focusers on our ED APO telescopes. CA Res...

Explore Scientific Rack and Pinion Focuser Extension Tube adds 1.5 inches to the 2-inch Rack and Pinion focusers on our ED APO telescopes. CA Resid...

Explore Scientific 1.5-Inch Extension Tube adds 1.5 inches to the 2.5-Inch Hex Focuser  - ESHEXEXT2   37 mm tall CA Residents: Prop 65 WARNING(S)

Description Explore Scientific’s dual speed, 2" AR Series Focuser comes with a 1.25" compression ring eyepiece adapter for added versatility. This...

Description With its ability to support heavy imaging trains without sacrificing stability, precision or smooth rotation, the robust Explore Scien...

Description This device replaces the barrel on the Explore Scientific 99% Reflective 3-inch Diagonal so the diagonal can be used on 2-inch focuser...

Features Precision all-metal construction with stainless-steel ball bearing for super-smooth action. Attractive silver and black bead-blast finis...

Description Explore Scientific™ David H. Levy Comet Hunter Telescope is rich in quality components. Among those is the 2? Comet Hunter Focuser, wh...

Description Finding and holding that perfect crisp focus is almost effortless with Explore Scientific's Crayford Style Focuser. Defined by its pre...

Description Finding and holding that perfect crisp focus is almost effortless with Explore Scientific’s Rack & Pinion Focuser. Defined by its ...