60mm_360mm فصل مزدوج
مقاس60mm_360mm
مميزات خاصة
- Diameter: 62 mm, length: 360 mm, 700 mm, 800 mm. Overall image quality: 1/4-1/8. Length tolerance: ±0.1%.
- Center thickness tolerance: ±0.2mm. Finish: 60/40. Diameter tolerance: +0/ -0.12mm.
- It can adjust the eyepiece position; Help you get a clearer image.
- Uses: Support all kinds of telescopes, mirrors, refractors, observing star clusters, moon, planets and other celestial bodies.
- It can adjust the eyepiece position; Help you get a clearer image.
وصف
Diameter 62mm focal length 360mm Separate double lens/bonded convex glass lens Achromatic lens DIY telescope object
Mirror double separated/bonded achromatic lens
Diameter: 62 mm
Focal length: 360mm 700mm 800mm
Overall image quality: 1/4-1/8
Diameter tolerance: +0/ -0.12mm
Center thickness tolerance: ±0.2mm
Focal length tolerance: ±0.1%
Finish: 60/40
Eccentricity: 1'
Glued lens: coated with a green film
It can be used for DIY astronomical telescope objective, DIY guide mirror
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