4pcs Double Convex Lens Diameter 40mm 50mm Focal Length 100 140 260mm for Physical Optics Experiment Optical Glass Biconvex Lens
Характеристики
Brand Name: | SRATE |
Focal Length: | 300mm |
Material: | Glass |
Model Number: | Double Convex Lens |
Shape: | Aspheric |
Structure: | Double Convex |
Usage: | Optical |
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