Types of cameras

 DSLR:

A DSLR(Digital single lens reflex) is a digital camera that combines the optics and mechanisms of an SLR with a solid state image sensor and digitally records the images from the sensor. When the light enters the camera the photographer sees the subject in the optical viewfinder via a reflection of that light from a mirror inside the camera body. when the photo is captured the mirror swings out of the way and the light goes through the digital image sensor where the photo is captured on an SD card.

DSLR's have many advantages such as the fact that you can combine the camera body with lens attachments of your choice such as a fisheye or wide angle lens. Another advantage is that they are very effective for shooting in dim lighting as the larger sensor can capture more light. They also have better auto focus features compared to point and shoot cameras, allowing you to focus and shoot faster capturing more high quality images. Lastly, they don't require 

convergence