UltraCat 76

The Ultra-Cat 76 is a high-performance 76mm apochromatic refractor , designed for astrophotographers who demand exceptional clarity and true color accuracy . With a 5-element advanced Petzval optical design , including super ED and lanthanum glass , and a fast f/4.8 focal ratio , this telescope delivers stunningly sharp, flat-field images across its 50mm image circle . Optimized for Full Frame, APS-C, and M4/3 sensors , it also offers compatibility with Medium Format cameras for outstanding wide-field astrophotography. Key Features: Advanced 5-Element Petzval Optics Eliminates field curvature, ensuring sharp, edge-to-edge stars without additional flatteners. 50mm Large Image Circle Fully supports Full Frame cameras, APS-C and M4/3 sensors for optimal performance. Compatible with Medium Format. Fast f/4.8 Optics Superior light-gathering capability, enabling deep-sky imaging with shorter exposure times. WIFD (William’s Internal Focuser Design) Patented internal rack-and-pinion focuser ensures stable and precise focusing. No vignetting or balance issues — ideal for astrophotography. Compatible with EAF (Electronic Automatic Focuser) for precision focus control. Sensor Tilt…