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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鱼眼镜头是广角镜头,在一个非常广泛的,半球形的形象所鱼眼镜头的焦距取决于format.Fisheye电影镜头实现放弃一条直道形象极其广泛的角度,而是选择了一个特殊的映射(例如:equisolid的角度),从而使图像外观特征凸。通过旋转镜头或拼接图像(圆柱的角度)的全景,是不是鱼眼照片。
鱼... |
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小球透镜 |
专业生产各种小球透镜。 小球透镜的尺寸说明如下: 材料: BK7, LaSFN9 或其他光学玻璃 球整度: /4 at 633nm 表面质量: 20-10 直径: 1m 镀膜(可选):每面平均 R<1.5% , 400-700nm 在0度入射角 |
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棒镜,玻璃一字镜 |
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胶合镜 |
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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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