Panasonic LUMIX DC-S5M2 Operating Instructions And Owner's Manual page 200

Focus / Zoom – Recording with Zoom
•
When displaying the [Ex. Tele Conv.] setting screen using the Fn button, pressing
[DISP.] allows you to change the [Picture Size] setting.
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When the following functions are being used, [Ex. Tele Conv.] is not available:
– [65:24]/[2:1] ([Aspect Ratio])
– [RAW] ([Picture Quality])
– High Resolution mode
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