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Objective Lens， 72mm Diameter 300-900mm Focal Length Double Separation Objective Lens for DIY Refracting Astronomical Telescope,for Doublet Convex Lens(Focal Length 300)
4.2 (86 items)
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$27.70 cheaper than the new price!!
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New $46.17
Product details
| Management number | 219364916 | Release Date | 2026/05/03 | List Price | $18.47 | Model Number | 219364916 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
========High-concerned chemical : None
- Made optical glass with precision polishing, ensuring stable performance and long service life.
- 72mm diameter double separation objective lens, with focal lengths ranging from 300mm to 900mm for DIY refracting telescopes.
- Double separation optical design effectively corrects chromatic aberration and ensures high‑contrast clear imaging.
- Made optical glass with fine polishing, high light transmittance and stable optical performance.
- Standard structure for easy installation, perfect for DIY telescope making, replacement and upgrade.
- Various focal lengths meet different observation needs, ideal for astronomy enthusiasts and handmade projects.
| Item Weight | 1.76 ounces |
|---|---|
| Manufacturer | Generic |
| Item model number | OBFBVVNCN-B2A5B705 |
| Product Dimensions | 3.94 x 3.94 x 3.94 inches |
| Manufacturer recommended age | 1 - 1 months |
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