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Objective Lens Astronomical Telescope Diameter 31mm Focal Length 120mm Glued Green Film Achromatic
Specifications:
- Usage: Achromatic
- Structure: gluedlens
- size: D31f120mm
- Shape: Other
- Origin: CN(Origin)
- Model Number: Achromatic green film achromatic lens
- Material: Glass
- Coating: green coating
- Free shipping
- 100 days returns
- Low prices
- 5 million products