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Objective Lens， 72mm 73mm Cemented Doublet Lens DIY Astronomical Telescope Coating Achromatic Large Aperture Objective,for Doublet Convex Lens(D72F700 Green Film)
4.6 (135 items)
Limited Time SaleUntil the end
03
01
50
$35.22 cheaper than the new price!!
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New $58.70
Product details
| Management number | 219364934 | Release Date | 2026/05/03 | List Price | $23.48 | Model Number | 219364934 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
=========High-concerned chemical : None
- Made optical glass with precision polishing, ensuring stable performance and long service life.
- 72mm and 73mm cemented doublet lenses serve as large‑aperture achromatic objectives for DIY astronomical telescopes, featuring professional optical coating.
- Achromatic cemented structure greatly reduces chromatic aberration and spherical aberration, offering sharp, high‑contrast celestial imaging.
- Multi‑layer anti‑reflection coating enhances light transmittance, minimizes glare and stray light for brighter, clearer views.
- Made optical glass with fine polishing, ensuring stable performance, low distortion and long‑term durability.
- Standard caliber fits most DIY refracting telescopes, perfect for homemade assembly, repair and performance upgrade.
| Item Weight | 1.76 ounces |
|---|---|
| Manufacturer | Generic |
| Item model number | OBFBVVMAV-1311EB0D |
| Product Dimensions | 3.94 x 3.94 x 3.94 inches |
| Manufacturer recommended age | 1 - 1 months |
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