William Optics

William Optics – Compact APO Telescopes and Premium Accessories

William Optics is a global leader in compact apochromatic refractors and high-quality accessories for astrophotography and visual observation. From the iconic RedCat series to WO diagonals, each product delivers exceptional performance and reliability at an accessible price point.

With over 70 dealers in 35 countries, the brand stands for innovation, elegant design, and professional-grade optics. Explore this collection of telescopes, filters, rotators, and accessories made for serious results in a portable format.