Optical Glass Objective Lens Concave&Convex Lens for DIY Astronomical Telescope 80mm

Description

🔭 See the stars like never before — your DIY telescope’s secret weapon!

This 80mm diameter optical glass objective lens features an apochromatic double-separation design with a 600mm focal length and F7.5 ratio, ensuring high-resolution, low-dispersion imaging. Equipped with green film coating and bonded lenses, it offers durable, glare-reduced, and consistently sharp visuals, perfect for DIY astronomical telescopes and precision optical testing.