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QHY183M兩千萬像素背照式色制冷CMOS相機

  • 商品庫存: 1
  • 商品品牌:QHYCCD
  • 商品點擊數:1187
  • 市場價格:¥7872元
    本店售價:¥6560元
    用戶評價: comment rank 5
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    購買此商品可使用:6500 積分

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QHY183M\C采用了1英寸SONY背照式IMX183,兩千萬像素高靈敏度芯片,像素尺寸2.4um,在兩千萬像素的全分辨率下可以獲得19幀每秒的圖像,具有放大器輝光抑制電路,能最大程度的減少CMOS的放大器輝光。-40C制冷溫差,讀出噪聲低值一個電子。滿阱電荷數為15-16ke.


典型應用:深空攝影,月面,太陽及行星攝影。

128MB DDRII 內置圖像緩沖內存
QHY183M/C內置了128M的圖像緩沖內存,與不帶內存的相機相比,能夠避免長曝光時間的時候的丟幀問題,同時能降低對拍攝電腦的要求,即使對于低配置的電腦,或者USB2.0的接口,也能流暢使用。

 

Sony's Image Sensor Exmor R is the back-illuminated CMOS image sensor with improved sensitivity and noise reduction - the key factors to enhancing image quality, while radically realigning their fundamental pixel structure from front-illumination to back-illumination. It has retained the advantages of CMOS image sensors such as low power consumption and high-speed operation
With a conventional front-illumination structure, the metal wiring and transistors on the surface of the silicon substrate that form the sensor's light-sensitive area (photo-diode) impede photon gathering carried out by the on-chip lens, and this has also been an important issue in the miniaturization of pixels and widening optical angle response.
A back-illuminated structure minimizes the degradation of sensitivity to optical angle response, while also increasing the amount of light that enters each pixel due to the lack of obstacles such as metal wiring and transistors that have been moved to the reverse of the silicon substrate.
However, compared to conventional front-illuminated structures, back-illuminated structures commonly causes problems such as noise, dark current, defective pixels and color mixture that lead to image degradation and also cause a decrease in the signal-to-noise ratio.
To overcome this Sony has newly developed a unique photo-diode structure and on-chip lens optimized for back-illuminated structures, that achieves a higher sensitivity and a lower random noise without light by reducing noise, dark current and defect pixels compared to the conventional front-illuminated structure. Additionally, Sony's advanced technologies such as high-precision alignment have addressed any color mixture problems.


 

 

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