2pcs 50mm Diameter Optical Glass Focal Length Optics Double Concave Lens Focus -90m for Physical Optics Experiment
Technical Details
| Brand Name: | SRATE |
| Focal Length: | -90mm |
| Material: | Glass |
| Model Number: | Double Concave Lens |
| Shape: | Double Concave |
| Structure: | Double Concave |
| Usage: | Optical |
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