Objective Lens， Optical Glass Achromatic Objective Lens Concave&Convex for DIY Telescope Large-Diameter Making Mirrors Eyepieces,for Doublet Convex Lens(60mm)

=========High-concerned chemical : None

• Made optical glass with precision polishing, ensuring stable performance and long service life.
• This optical glass achromatic objective lens with concave & convex structure is designed for DIY telescopes, serving as a key component for large-diameter optical systems.
• The achromatic design effectively reduces color aberration, providing clear and high-contrast imaging and astronomical observation.
• Made optical glass with fine polishing, it ensures high light transmittance, low distortion and stable optical performance.
• It can be widely used in making objective mirrors, eyepieces and other optical parts for homemade large-diameter telescopes.
• Standard structure and good compatibility make it easy to install and assemble, ideal for astronomy enthusiasts to build their own telescopes.