The Coolpix 8700 provides control over three image processing parameters, these are Image adjustment (tone / contrast), Saturation and Image sharpening. As per previous Coolpix digital cameras the Image adjustment and Image sharpening settings are by default set to 'Auto', this allows the camera to select the optimum tone and sharpness depending on the metered exposure, ISO setting etc.
'Image adjustment' (Tone)
Adjusting the tone alters the shape of the 'S curve' used to map the linear image data captured by the sensor into the correct gamma. A lower contrast setting maintains more of the original data's dynamic range but leads to a flatter looking image. A higher contrast setting stretches the grayscale (dark to light) of the image and could lead to clipping of both shadow detail and highlights.
Saturation adjustment allows you to control the strength of color in the final image, this particular parameter (logically) doesn't have an 'Auto' mode, instead the default is zero ('0'). Nikon provide a range of five saturation levels. It's a pity they didn't also choose to add a color space selection option (Adobe RGB).
The Coolpix 8700 features four levels of image sharpening as well as an Auto setting.
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