根据结构不同,数码相机可分为轻便数码相机、单反数码相机、数字后背三大类。近几年发展最快的是轻便数码相机,2000年初已有多款400多万象素的轻便数码相机问世,但无论轻便数码相机象素水平怎样发展,它的质量档次都无法与专业级的单反数码相机相比。轻便数码相机与镜头可卸可换的单反数码相机相比,至少存在着镜头素质低、镜头不可换、取景视差大、 According to different structures, digital cameras can be divided into portable digital cameras, digital SLR cameras, digital back three categories. In recent years, the fastest growing portable digital camera, in early 2000 there have been a variety of more than 400 million pixel portable digital camera come out, but no matter how the level of portable digital camera pixel development, its quality and class can not be professional Compared to SLR digital cameras. Compared with the SLR digital camera with a removable digital camera and a removable lens, there is at least a problem that the quality of the lens is low, the lens can not be changed, the viewing parallax is large,