Objective Lens， Optical Glass Achromatic Doublet Objective Lens 73mm Focal Length 330mm Red Film DIY Astronomical Telescope Accessories,for Doublet Convex Lens
$71.13
Price when purchased online
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$71.13
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by protect-advice.org.uk
Free 30-day returns Details
Product details
| Management number | 219364992 | Release Date | 2026/05/03 | List Price | $28.45 | Model Number | 219364992 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
=========High-concerned chemical : None
- Made optical glass with precision polishing, ensuring stable performance and long service life.
- 73mm diameter achromatic doublet objective lens with 330mm focal length, featuring red coating for DIY astronomical telescopes.
- Achromatic design effectively reduces chromatic aberration, delivering sharp and high-contrast images.
- Red anti-reflection coating enhances light transmittance, cuts glare and improves viewing brightness.
- Made optical glass with fine polishing for low distortion and stable optical performance.
- Standard size for easy installation, ideal for DIY refracting telescope assembly, repair and upgrading.
| Item Weight | 1.76 ounces |
|---|---|
| Manufacturer | Generic |
| Item model number | OBFBBACFN |
| Product Dimensions | 3.94 x 3.94 x 3.94 inches |
| Manufacturer recommended age | 1 - 1 months |
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