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The other feature of i.Resolution, if not set to i.zoom, is to apply
sharpening to only those areas of the image where there is large
amounts of contrast changes – i.e where there are plenty image details.
In large areas of equal tone such as in some skies and open landscapes
the software does not “sharpen” these areas. It applies local edge
sharpening to the image which gives the appearance of extra resolution
or sharpness. Basically the image resolution hasn’t changed as that is a
physical combination of pixel density and lens resolving power. What you
are seeing is an apparent increase in resolving power due to increased
image contrast.
From my own experience, and from other comments on camera forums,
it would appear that this can either;
Go un-noticed.
Make the image worse by showing pixelation in skies.
Over sharpen causing white halos on fine detail such as branches in
trees and fabric on upholstery.
As local contrast can be applied in post processing, where you can
control the degree and location of this applied effect, it might be wiser to
leave this turned off rather than risk image degradation.
The i.Dynamic feature is a
software process which
attempts to increase the
range of brightness
captured by the camera.
There are 4 settings of Low,
Standard, High and Off. It is
similar to HDR as it raises
shadow brightness and
lowers highlight intensity.
If you use i.Dynamic and
have ISO set at 100 the
camera will raise the ISO to
160 to achieve the result!
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