Achromatic objective lens devised for self-made refractive astronomical telescopes, ensuring clear and sharp images.
Features a 40mm actual diameter and a focal length of 205mm, perfect for enhancing your telescope's performance.
Coated with an adhesive blue film for improved light transmission and reduced glare, making your stargazing experience more enjoyable.
Easy to assemble with clear instructions; simply position the thin side of the lens towards the scene for optimal results.
Compatible with various DIY telescope designs, this lens is an essential accessory for astronomy enthusiasts and hobbyists.
Description
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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