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IMAGE ACQUISITION: Lenses match large-format imagers

机译:图像采集:镜头与大画幅成像仪相匹配

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摘要

With the introduction of large-format CCD and CMOS devices with ever-decreasing pixel sizes, optics manufacturers are continually being challenged to develop lenses to support them. Unfortunately, this is not an easy task and, for developers of high-performance imaging systems, one that may necessitate using more expensive, high-performance optical systems. Indeed, some of the high-resolution CCD imagers now available are already pushing lens designers to accommodate these smaller-pixel pitches. Sony's ICX432DQ/DQF for example, is an interline-transfer CCD featuring a 2088 × 1550 CCD imager with 2.8-μm square pixels. Such small-pixel imagers are being used by companies such as PixeLink (Ottawa, ON, Canada; www. pixelink.com), which has developed a 2208 × 3000 color FireWire camera based on a CCD device with a 3.5-μm pixel pitch.
机译:随着像素尺寸不断减小的大画幅CCD和CMOS器件的推出,光学器件制造商不断面临开发支持它们的镜头的挑战。不幸的是,这不是一件容易的事,对于高性能成像系统的开发人员来说,可能需要使用更昂贵的高性能光学系统。事实上,现在市面上的一些高分辨率CCD成像器已经在推动镜头设计人员适应这些更小像素的间距。例如,索尼的 ICX432DQ/DQF 是一款行间传输 CCD,具有 2088 × 1550 CCD 成像器,具有 2.8 μm 方形像素。这种小像素成像仪正在被PixeLink(加拿大安大略省渥太华;www.pixelink.com)等公司使用,该公司开发了一种基于3.5μm像素间距的CCD器件的2208×3000彩色FireWire相机。

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