Traditional Culture Encyclopedia - Photography major - Sony digital camera, how to divide the models? Such as: DCRSR45E, 46E, 65E, 220E, 300E, what's the difference? Are they all hard drives?

Sony digital camera, how to divide the models? Such as: DCRSR45E, 46E, 65E, 220E, 300E, what's the difference? Are they all hard drives?

These figures are in no particular order. In 2007, it was SR42/62/82/200/300E, and in 2008, it was SR65E/46/65/85/220E. Generally, in the same year, the larger the number, the higher the pixel, the smaller the light, the larger the hard disk capacity and the more functions. HC is Sony's DV tape camera, and SR is a hard disk camera.