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We shoot a specially designed chart in carefully controlled conditions and the resulting images are analysed using the DXO Analyzer software.
Signal to noise ratio
A high signal to noise ratio (SNR) indicates a cleaner and better quality image.
JPEG images from the Panasonic FZ48 show consistent results for noise performance across the sensitivity range. From ISO 400 upwards only the Nikon Coolpix P500 show a better result.
This chart indicates that JPEGs from the Panasonic FZ48's have a lower dynamic range than all but the Fujifilm Finepix HS20's JPEGs up to a sensitivity of ISO 400. From ISO 400 results are comparable with the Sony HX100V and Nikon P500.
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