Sky-Watcher Esprit 150mm ED Triplet Apo Refractor OTA # S11430
Triplet super-apochromatic design Three-element, air-spaced optical assembly virtually eliminates false color 150mm aperture, 1050mm focal length, f/7 focal ratio 3.4-inch dual-speed rack-and-pinion, Helinear track focuser Rolled steel optical tube with white, glossy finish Included accessories...
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