Lens Cap/Lens Cover
A lens cover or lens cap provides protection from scratches and minor collisions for camera and camcorder lenses. Lens covers come standard with most cameras and lenses. Some mobile camera s include lens covers, such as the Sony Ericsson W800 and the Sony Ericsson K550.
A more secure lens cap is the metal screw-in lens cap which cannot pop off a lens accidentally. Although a screw-in cap takes more time to remove in order to take a photograph than a standard lens cap, it is stronger than plastic and therefore more protective.
VY Optics is a professional manufacturer of photographic accessories,size of lens cap shown on picture is 37mm,other dimension is also available.
The lens caps are fit for Canon,Nikon,Olympus,JVC,Kadak,Fuji,Casio and so on.Beside,we supply OEM service.
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反射镜（圆形&方形） |
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楔角棱镜 |
楔角棱镜尺寸说明如下: *材料:BK7 或者其他光学玻璃 *尺寸公差:+/-0.20mm 到 +0.01/-0.01mm *厚度公差:+/-0.20mm 到 +/-0.005mm *光洁度:80-50 到 10-5 *面型:lambda to lambda /10 /> *通光孔径:80... |
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Telephoto lens |
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非球面透镜 |
我们提供非球面镜片。
非球面镜片的规格如下：
材料：BK7或其他光学材料
尺寸：10mm - 200毫米
边缘：λ/ 2
中心厚度：15nm的，25nm的
弥散圆：0.03-0.2毫米
心：3弧分
表面质量:60-40划痕/开掘
通光口径：90... |
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