I don't remember about the link, but I could have. However something
I have done is to apply unsharp mask in small fixed increments to
images with default settings out of camera shots from reviews like
those at dpreview. The goal was to see how much sharpening will
result in the beginning of the appearance of halos. The Canon and
Nikon shots are then pretty much indistinguishable and with the
increments I have used the Nikon shots get about 3 times the number
of increments as the Canon shots before halos appear. In my mind
there is no question that Canon sharpens their images on the sensor.
Winsor
Long Beach, California, USA
On Nov 30, 2006, at 10:56 AM, Bill Pearce wrote:
> Someone (Winsor?) posted a link to a Canon website about a year
> ago. It was
> a remarkably frank description of their unique sensors. It went
> along the
> lines of "We're so great because we do it ourselves, so we can do
> all this
> stuff others only dream about" and mentioned that there are
> electronics on
> the chip that others have separately. The gist of things is that
> the image
> is processed at an earlier stage that other cameras. Although our
> discussion
> was in regards to "plastic skin," we also surmised that some
> sharpening is
> always applied to their files, where it isn't to other
> manufacturers files.
>
> Bill Pearce
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