spherical lens
Jilin Tianhua Opto-electrical Technology Development Co., Ltd., production and sale of precise optical elements. Our company locates in Changchun City, Jilin Province, the optical base of China. We specialize in cylindrical lenses. The plano-concave lenses are made from various material, which are manufactured with one concave surface and one plane surface. These lenses have negative focal lengths. These lenses diverge collimated incident light. They form virtual images which are seen through the lens. They are often used to expand light or to increase focal lengths in existing systems. We also offer precision grade plano concave lens with tighter manufacturing tolerances
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BK7 plano-concave spherical lens |
Jilin Tianhua Opto-electrical Technology Development Co., Ltd., production and sale of precise optical elements. Our company locates in Changchun C... |
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optical window, precise window |
Optical Windows are flat, plane-parallel plates that are often used as protective barriers for electronic sensors or detectors from outside environ... |
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UV filter, IR filter, bandpass filter |
Optical filters allow a portion of the spectrum to pass (transmit) while blocking the remainder.Based on different application filters come in many... |
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notch filter, imaging filter, longpass edge filter |
Optical filters allow a portion of the spectrum to pass (transmit) while blocking the remainder.Based on different application filters come in many... |
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Bi-convex cylindrical lens |
Bi-concave glass lenses are manufactured with both surfaces concave. These lenses have negative focal lengths. These lenses diverge collimated inci... |
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