مميزات خاصة
- Pipe Fittings
- Use : optical
- Short axis: 20mm-140mm
- Long axis: 33 mm
- Thickness: 5 mm
- Surface accuracy: 1/3
وصف
Newtonian Telescope Secondary Mirror
Type: Elliptical plane mirror
Dimensional Tolerance: ±0.5mm
PV Surface Accuracy: 1/4-1/6
Coating: reflective aluminium + protective film
Model Number: Newtonian Dongda Telescope Secondary Mirror
Material: glass.
Use : optical
Short axis: 20mm-140mm
Long axis: 33 mm
Thickness: 5 mm
Surface accuracy: 1/3
Coating: Aluminized and protective film
Astronomical telescope optical system: reflective
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