在高端，可更换镜头提供图像清晰度和可编程类似传统35mm胶片式单反相机单镜头反光（或SLR）相机。
On the high end , single lens reflex ( or SLR ) cameras with interchangeable lens offer image sharpness and programmability similar to the traditional35mm film-type SLR cameras .
单反相机镜头