Plano-Concave Lenses

Plano-Concave Lenses Manufacturer Description of Plano-Concave Lenses : The plano-concave lenses are made from various material, which are manufactured with one concave surface and one plane sur

Posted Date: 12 Jul 2012

From : Jilin Tianhua Opto-electrical Technology [ China ]

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Electronic Components & Spares

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Bi-concave glass lenses

Bi-concave glass lenses Manufacturers Description of Bi-concave glass lenses : Bi-concave glass lenses are manufactured with both surfaces concave. These lenses have negative focal lengths.

Posted Date: 12 Jul 2012

From : Jilin Tianhua Opto-electrical Technology [ China ]

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Electronic Components & Spares

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USB Disco Ball/Lamp Manufacturers

Bring that much needed dance club atmosphere into your office by projecting spinning colored lights onto your desk and other nearby surfaces with this USB powered Disco Ball. Just plug the Disco Ba

Posted Date: 28 Aug 2009

From : Fangzheng craft and gift co.,ltd [ China ]

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Novelties

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