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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)
4.7 (87 items)
Limited Time SaleUntil the end
04
17
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$38.28 cheaper than the new price!!
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New $63.80
Product details
| Management number | 219373137 | Release Date | 2026/05/03 | List Price | $25.52 | Model Number | 219373137 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
=========High-concerned chemical : None
- Made optical glass with precision polishing, ensuring stable performance and long service life.
- This 72mm & 73mm cemented doublet lens is designed as a large-aperture achromatic objective for DIY astronomical telescopes with coating treatment.
- Achromatic doublet structure effectively corrects chromatic aberration, delivering sharp.
- Multi-layer coating improves light transmittance, reduces reflection and stray light for brighter and clearer viewing.
- Made optical glass with fine polishing, ensuring stable performance, low distortion and long service life.
- Standard large aperture design fits most homemade refractors, ideal for telescope assembly, upgrade and replacement.
| Item Weight | 1.76 ounces |
|---|---|
| Manufacturer | Generic |
| Item model number | OBFBVVMAB-1311EB0D |
| Product Dimensions | 3.94 x 3.94 x 3.94 inches |
| Manufacturer recommended age | 1 - 1 months |
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