Part 6 of the Lumix FZ300 (also sold as the FZ330 in some regions) Photo menu series! Page 6 of 7 covers ISO and zoom.
In this video: ISO Limit: cap Auto ISO to control noise and shutter speed ISO Increments: 1/3 EV vs 1 EV Diffraction Compensation: recover sharpness at small apertures i.Zoom: extra zoom with less quality loss, and why picture size matters Digital Zoom: more reach, more quality loss.

Chapters:
0:00 Page 6 overview
0:06 ISO Limit
0:39 ISO Increments
0:58 Diffraction Compensation
1:26 i.Zoom
2:01 Digital Zoom