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Objective Lens， 131mm Large Optical Dual Separation Doublet Lens Focal Length 1200 700mm DIY Refractor Telescope Objective Achromatic Lentes,for Doublet Convex Lens(700mm Green Film)
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US$187.30 cheaper than the new price!!
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Used US$124.87
Product details
| Management number | 219364937 | Release Date | 2026/05/03 | List Price | US$124.87 | Model Number | 219364937 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
=========High-concerned chemical : NoneDiameter : 131mm
- Made optical glass with precision polishing, ensuring stable performance and long service life.
- 131mm large dual-separation doublet objective lens, available in 1200mm & 700mm focal lengths for DIY refractor telescopes.
- Advanced dual-separation structure effectively corrects chromatic and spherical aberration for high-contrast celestial imaging.
- Large 131mm aperture provides strong light-gathering ability.
- Made optical glass with precision polishing, ensuring high transmittance and stable performance.
- Standardized design for easy assembly, perfect for homemade high-performance refracting telescopes.
| Item Weight | 1.76 ounces |
|---|---|
| Manufacturer | Generic |
| Item model number | OBFBVDEMD-C99D5EBD |
| Product Dimensions | 3.94 x 3.94 x 3.94 inches |
| Manufacturer recommended age | 1 - 1 months |
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