[argyllcms] Re: Accuracy of ccss versus ccmx

  • From: Ben Goren <ben@xxxxxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Sun, 13 Dec 2015 12:08:49 -0700

On Dec 13, 2015, at 8:15 AM, Ver Greeneyes <vergreeneyes1@xxxxxxxxx> wrote:


it does feel odd to have such an expensive device as an i1Pro 2 and only use
it to tweak a less expensive device

Horses for courses.

If the only reason you have an i1 Pro 2 is to profile displays, that’s a waste.
But if you’ve got both instruments, you can use them both to get the best of
both worlds.

The colorimeter has a large physical aperture and a very low spectral
resolution. That means that it’s superlative at counting photons, especially
when there aren’t very many photons to count. And displays themselves have
fixed spectral characteristics so you don’t need high spectral resolution with
every measurement. You can use the i1 Pro 2 a single time to get the display’s
spectral characteristics (when you build the ccmx), and then take advantage of
the excellent sensitivity of the i1 Display Pro to measure the per-channel
response.

b&

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