D154 Monolayer Broadband Telescope Objective Lens - 154mm Diameter for 750mm & 1200mm Focal Lengths Enhanced Astronomical Viewing Experience(D154 F1200)

D154 Lens: Optimized for 154mm diameter telescopes with 750mm and 1200mm focal lengths, perfect for astronomy enthusiasts seeking superior views of bodies. Advanced Coating Technology: Incorporates a single blue broadband coating (400-700nm) that enhances light transmission, resulting in clearer and more vibrant images of the night sky. Precision Engineering: Features a double separation devise with two lenses and a gasket, effectively minimizing optical aberrations for exceptional image during your astronomical observations. Exceptional Image : Achieves a combined image rating of 1/4-1/8, ensuring sharp and detailed views of planets, stars, and other objects for an immersive stargazing experience. Strict Tolerance Specifications: Engineered with a diameter tolerance of +0/-0.12 mm and center thickness tolerance of ±0.2mm, ensuring consistent performance and reliability across various observational conditions.