ED102 - FCD100 Series Air-Spaced Triplet Refractor

The Explore Scientific ED102 FCD100 Series is a premium 102mm air-spaced triplet apochromatic refractor featuring premium HOYA FCD100 extra-low dispersion glass, delivering exceptional color correction and virtually eliminating chromatic aberration for crisp, high-contrast images across the full field. The precision 2.5-inch HEX Crayford-style focuser with dual-speed adjustment supports up to 10 pounds of imaging gear, making it equally capable for visual observation of lunar and planetary detail or astrophotography of deep-sky objects. Lightweight and portable with options in classic aluminum or carbon fiber construction, this f/7 refractor combines diffraction-limited performance with practical versatility for both serious amateurs and dedicated astrophotographers.