D80 F900 Astronomical Telescope Refractor Lens - 80mm Aperture, 900mm Focal Length, Achromatic devise(D80F900:Single film blue film)

D80 F900 refractor lens features an impressive 80mm aperture and 900mm focal length, perfect for both amateur astronomers and DIY optical projects. Achromatic devise effectively reduces chromatic aberration, delivering crystal-clear images of bodies for an unparalleled stargazing experience. Constructed with advanced double separation technology and multi-layer coatings, ensuring maximum light transmission while minimizing glare for enhanced visibility. Versatile and compatible with a wide range of telescopes, this lens is an essential addition to any astronomy toolkit, suitable for various optical experiments. Package includes one D80 F900 objective lens; please note that images are for reference only and may display minor scratches due to shooting angle and lighting conditions.