Newtonian Reflector Telescope DIY Dedicated Secondary Mirror Elliptical for DIY Newtonian Reflecting Astronomical Telescope
$69.99
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Product details
| Management number | 211700062 | Release Date | 2026/04/04 | List Price | $28.00 | Model Number | 211700062 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Coating: Aluminium and protective film
- Astronomical Telescope Reflective Telescope Secondary Mirror
- The mirror is a spherical mirror with aluminized surface and a protective film to prevent scratches on the main mirror under light touch.
- Dimension tolerance: ±0.5mm
- Surface accuracy PV: 1/4-1/6λ
- Purpose: used as a Newtonian astronomical telescope optical axis steering
| UPC | 726189213092 |
|---|---|
| Brand | NYJLGD |
| Mount | Equatorial Mount |
| Focus Type | Manual Focus |
| Finderscope | Reflex |
| Manufacturer | NYJLGD |
| Compatible Devices | Camera |
| OpticalTube Length | 11 Millimeters |
| Objective Lens Diameter | 80 Millimeters |
| Manufacturer Part Number | fj-80mm |
| Eye Piece Lens Description | Barlow |
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