Camera Sensor, Iso And Light Sensitivity - Panasonic Lumix DMC-FZ200 User Manual

Normally I would always suggest using the "fine" setting as this gives you
the best image quality – which after all is the reason you purchased the
Panasonic Lumix FZ200!
You also get the option to record JPEG and RAW simultaneously which
gives you immediate access to the JPEG file and then the RAW file for
processing into a better image at some time later.
Using this method you could have a small file size JPEG file for reference
and the RAW file in your image library. The file size of the RAW file is
quite large (10 -12MB) compared to the 3-4 MB file size of the Fine JPEG
file.

Camera Sensor, ISO and Light Sensitivity

A knowledge of how the camera, or more specifically the camera sensor,
reacts to light falling on it from the lens will help to understand in which
situations the Panasonic Lumix FZ200 will underperform unless you
intervene to correct its automatic behaviour.
As you may be aware the Panasonic Lumix FZ200 has a small sensor,
essentially the same size as that normally found in the small compact
digital camera versions. It is technically classed as a 1/2.3 inch sensor
and its physical size is only 8mm across the diagonal.
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