众所周知，数码相机的成像器件有CCD图像传感器和CMOS图像传感器之分，CMOS相对于CCD有价格低、产品优良率较高以及省电等特点，但与普遍使用的CCD图像传感器相比，图像信噪比特别是弱光时的噪点问题较明显，因此其他厂商的专业级数码相机几乎清一色地青睐 ...

For photographers who demand the flexibility of interchangeable lenses and the comfort and features of a traditional SLR camera body, switching to a digital camera is a very expensive proposition. But ...