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30mm Optical Glass Focal Length 50 77 100 200mm FGMC Doublet Double Convex Lens DIY Astronomic Telescope Objective Lens 1PC
Specifications:
- Usage: Optical
- Structure: Double Convex
- Shape: Aspheric
- Model Number: Doublet Double Convex Glass Lens
- Material: Glass
- Brand Name: SRATE
- Free shipping
- 100 days returns
- Low prices
- 5 million products