A(导学号59430054)
If you are a traditional traveller who believes cameras are irreplaceable，here are some things you should pay attention to when looking for the perfect camera.
Sensor size
Along with the megapixel (百万像素) count，the size of the sensor dictates the general image quality as well as the camera's performance in low light.It also determines whether the camera can electronically put the details it captures bigger enough to see—which is what makes the pictures not clear enough to see when you view the photos on a bigger screen.
Portability
