1pc D80mm Glued Green Film Achromatic Objective Lens for DIY Astronomical Telescopes - HD Coated Large Aperture Lens(D80F500)

Description

• Achromatic devise: This D80mm objective lens features a glued green film that minimizes chromatic aberration, providing clear and sharp images for your astronomical observations.
• Versatile Focal Length Options: Choose from four different focal lengths (400mm, 440mm, 720mm, and 900mm) to suit your specific viewing needs and enhance your telescope's performance.
• Large Aperture for Enhanced Light Gathering: With an actual diameter of 83mm, this lens allows for maximum light transmission, making it ideal for viewing objects in low-light conditions.
• Easy Assembly Instructions: devised for DIY enthusiasts, the lens comes with clear assembly precautions, ensuring correct installation for optimal performance.
• Perfect for Astronomy Lovers: Whether you're a beginner or an experienced astronomer, this lens is compatible with various telescope setups, making it a must-have for your stargazing adventures.

Assembly precautions: Assembly direction, the thin side of the lens towards the direction of the scene and the thick lens towards the direction of the mirror tube.
1 Pcs/Package

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