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通史演义

金虫 (正式写手)

[求助] 请问如何提高CCD图像放大倍数?

物镜将标本放大并转成平行光,传输一段距离后利用透镜聚焦并在CCD上成像,但是成像有点小,仅占CCD很小一部分,在不更换物镜的前提下,请问各位老师如何增加图像放大倍数,并在CCD上得到更大的图像?也就是在CCD前增加哪些元器件,谢谢。
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