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Recommended Results |
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產品型錄 |
共2 筆 產品 |
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Double concave lens is similar with plano concave lens. The focus length is negative. It can make parallel light diverge outside. The two sides have same radius of curvature. Double convex lens generally used for expanding beam of light and ...
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BK7 double-convex lenses have excellent transmittance during 350nm-2000nm and usually used in finite imaging application.
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