Panasonic LUMIX DMC-GX8 Owner's Manual For Advanced Features page 101

3. Recording Modes
Checking/not checking the effects of aperture and shutter speed on the
recording screen
> [Custom] > [Constant Preview] > [ON]/[OFF]
MENU
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This function does not work when using the flash.
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It can only be used with Manual Exposure Mode.
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Rotate the front/rear dial to display the Exposure Meter. Unsuitable areas of the range are
displayed in red.
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If the exposure is not adequate, the aperture value and the shutter speed turn red and blink
when the shutter button is pressed halfway.
•
We recommend using a tripod when the shutter speed is slow.
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When you use a lens with an aperture ring, the aperture ring setting takes priority.
•
When the flash is activated, the fastest shutter speed that can be selected is 1/250th of a
second. (P230)
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