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  • Designed to retro-fit to the Explorer-150/200/250/300P Newtonian Reflectors originally supplied with a 2" (two-inch) single speed focuser. Gear Ratio 10:1.

  • Sky-Watcher Auto Focuser

    Price £59.99

    Hands-free D.C. focusing device, for accurate focusing, with the minimum of vibration.

    Dual speed push-button operation (fast & slow). Can be used with the following telescopes: Evostar models 90/102/120/150, Startravel models 80/102/120/150, Skyliner models 150/200/250/300 & Explorer models 150/200/250/300

  • This focuser will fit to any Newtonian Optical tube with a 3" fitting, it is designed for professional use and has a 40mm back focus with high weight bearing capacity, making it a good choice if you wish to add extra accessories to your scope.