The highest video resolution supported by the EX-ZR300 is 1920 x 1080 pixels. That's over six times the video resolution of a 640 x 480 pixels camera, which is the most common video resolution supported by compact camera digital cameras that are a comparable age to the EX-ZR300. 640 x 480 pixels is also supported by this camera. This digital camera also supports a video resolution of 1280 x 720 pixels. A video resolution of 1920 x 1080 pixels is equivalent to Full HD video. You will require a Full HD TV or better to appreciate this level of detail.
A 1920 x 1080 pixels video resolution is in fact the best supported video resolution across all digital cameras of a similar type and age to the EX-ZR300.
A 320 x 240 pixels video resolution is the worst supported video resolution across comparable types of camera.