51mm Optical Glass Doublet Optics Glass Focal Length 183mm Double Convex Lens For Astronomic Telescope Objective DIY Telescope
Характеристики
Brand Name: | SRATE |
Focal Length: | 183mm |
Model Number: | 81mm Glass Doublet Lens |
Shape: | Glass Doublet Lens |
Structure: | Double Convex |
Usage: | Optical |
Материал: | Glass |
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