ENHANCED IMAGERY - Achieve sharper astrophotography with this 0.85x reducer/corrector, designed to minimize aberrations and optimize image quality for stunning celestial views. INCREASED BRIGHTNESS - Shorten exposure times and gather more light, thanks to the focal reduction, perfect for capturing faint deep-sky objects with enhanced clarity. OPTIMIZED FIELD - Enjoy a wider, flatter field of view, correcting distortions at the edges, ensuring every corner of your astrophotos is as crisp as the center. SEAMLESS INTEGRATION - Specifically designed for Sky-Watcher ProED 100 and Evostar 100 telescopes, ensuring a perfect fit and optimal performance without modification.