There are many more functions, such as ability to shoot in RAW format (not present in most point-and-shoots), manual focus, ability to shoot in different lens, etc Basically, when you shoot with a DSLR, you get a better quality picture.
With regular digital cameras, photographers have to make the angle of a taking lens and a viewing lens. In a digital single lens camera, the taking and viewing lenses are the same. Both regular digital cameras and DSLR cameras have electronic and manual zooms.
The manual zoom option on a regular camera has limitations, however. Professional photographers use digital single lens reflex cameras, or SLRs, while the average person most commonly uses regular digital cameras. Image quality is a huge benefit to using the DSLR camera.
Photographers can take a great picture even when there is low-light. Regular digital cameras are smaller than DSLRs, and quieter. Without setting up a shot, an amateur photographer can shoot a picture in auto mode.
Shutter speeds on DSLR cameras are faster than on regular digital cameras. Digital SLR cameras also allow for better depth and angle in a photo. Photographers get a more accurate preview of the angle at which they are taking the photo and of the depth.
A shallower depth of field enables a photographer to isolate an object from the background. With the ease of use and versatility of digital single lens reflex cameras, capturing the perfect photo was never so simple.
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