Objective Lens， Optical Glass Achromatic Doublet Objective Lens 73mm Focal Length 280mm 316mm DIY Astronomical Telescope Accessories,for Doublet Convex Lens(280mm)
$65.84
Price when purchased online
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Free 30-day returns
Sold and shipped by www.adherents.xylofutur.fr
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$65.84
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by www.adherents.xylofutur.fr
Free 30-day returns Details
Product details
| Management number | 219365100 | Release Date | 2026/05/03 | List Price | $26.34 | Model Number | 219365100 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
========High-concerned chemical : None
- Made optical glass with precision polishing, ensuring stable performance and long service life.
- 73mm diameter achromatic doublet objective lens, available in 280mm and 316mm focal lengths, specially designed for DIY refracting astronomical telescopes.
- Achromatic optical structure effectively corrects chromatic aberration, providing sharp and deep sky observation.
- Made polished optical glass with anti-reflection coating, ensuring high light transmittance and low distortion.
- Precise grinding and stable cemented process make it durable and reliable for long-term use.
- Standard size with good compatibility, perfect for telescope assembly, replacement and upgrading for astronomy enthusiasts.
| Item Weight | 1.76 ounces |
|---|---|
| Manufacturer | Generic |
| Item model number | OBFBBACMB-28152FB8 |
| Product Dimensions | 3.94 x 3.94 x 3.94 inches |
| Manufacturer recommended age | 1 - 1 months |
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