42mm In Diameter -40mm In Focal Length Concave Fresnel Laser Lens Optical Test Prism Collimator Lentes Foco Solar
sku: 32893420958
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$3.61
Shipping from: China
Technical Details
| Brand Name: | VAHIGCY |
| Degree of finish: | 40-20 |
| Dimensional tolerance: | ±0.1MM |
| Effective aperture: | >90% |
| Material: | Glass |
| Model Number: | 42mm K9 Optical Glass Focal Length 65mm Double Convex Lens |
| Shape: | Double Convex VR Lens |
| Size: | about 42*10mm/1.65*0.39in |
| Structure: | Double Convex |
| Usage: | Optical |
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