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Objective Lens， D80F900 Astronomical Telescope DIY Accessory Objective Lens Double-Separation Blue Film Green,for Doublet Convex Lens(80f900 Blue Film)
4.9 (139 items)
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$36.40 cheaper than the new price!!
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New $60.66
Product details
| Management number | 219364904 | Release Date | 2026/05/03 | List Price | $24.26 | Model Number | 219364904 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
========High-concerned chemical : NoneDiameter : 83mmFocal length : 900mm
- Made optical glass with precision polishing, ensuring stable performance and long service life.
- This D80F900 objective lens is a DIY accessory for astronomical telescopes, adopting a double-separation structure with blue and green coating for better optical performance.
- The double-separation design effectively improves achromatic performance, reducing color distortion and providing clear, high-contrast celestial imaging.
- Blue and green multi-layer coatings enhance light transmittance, reduce reflection and stray light for brighter and clearer observation.
- Made optical glass with fine polishing, it ensures stable performance, low distortion and long service life for DIY telescopes.
- Standard 80mm diameter and 900mm focal length make it easy to install, ideal for building, repairing and upgrading homemade astronomical telescopes.
| Item Weight | 1.76 ounces |
|---|---|
| Manufacturer | Generic |
| Item model number | OBFBVOVBA-0883B61A |
| Product Dimensions | 3.94 x 3.94 x 3.94 inches |
| Manufacturer recommended age | 1 - 1 months |
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