Qiqihar digital photography major

1. I don't understand. If you can't add a lens to a small digital camera, you can only add a range finder or a wide-angle lens.

2. To use a good camera, of course, you must understand the principles, such as the aperture controlling the depth of field, the shutter speed affecting the shooting of moving objects, the aperture and shutter controlling the exposure together, and the exposure compensation principle.

3. The effect of SLR cannot be achieved, because the depth of field is large, the sensor is too small, and the shutter time lag is too long.