Explore Scientific AR102 102mm f/6.5 Doublet Refractor Telescope

Premium Optics, Sharper Views   Looking for crisp, clear sky views? The AR102 Doublet Refractor delivers premium optics without the high cost of an APO refractor—perfect for serious stargazers who demand sharp, vibrant views without breaking the bank. Features 102mm (4-inch) Aperture – Captures ample light for sharp lunar, planetary, and deep-sky observations, revealing details in nebulae, galaxies, and star clusters. F/6.5 Fast Optics – Ideal for wide-field deep-sky exploration while maintaining the ability to achieve crisp planetary views at higher magnifications. 663mm Focal Length – Offers a versatile balance of wide-field scanning and detailed high-power viewing, perfect for both deep-sky and planetary enthusiasts. Air-Spaced Crown-and-Flint Doublet – A high-quality achromatic lens with advanced coatings for superior contrast, reduced glare, and minimized chromatic aberration. 2" Dual-Speed Crayford-Style Focuser – Provides buttery-smooth fine-tuning for ultra-precise focus