Re: Photographer needs monitor recommendations(Eye-One/iCColor)
Re: Photographer needs monitor recommendations(Eye-One/iCColor)
- Subject: Re: Photographer needs monitor recommendations(Eye-One/iCColor)
- From: Graeme Gill <email@hidden>
- Date: Fri, 21 Nov 2003 10:33:29 +1100
Terry Wyse wrote:
>
transport time). Basing my data on 100 samples/second (Gretag's specs), I
>
came up with around 20-30 measurements per patch on the IT8 and ECI2002
>
targets. Even if you cut this in half, that's still a lot of samples being
>
taken. This amount of sampling would have been unthinkable on my
>
Spectroscan!
What point are you making though ? Number of samples doesn't equate to
anything in particular. 20 measurements of 50 msec duration are
going to capture the same number of photons as a single 1 second
measurement.
The point of lots of measurements on these sorts of instruments,
is that it allows them to detect the edges of the patches. Samples
near the edges will be thrown away, and there will be dead time
between readings. The spectroscan spends time moving the instrument.
These things in themselves don't mean a whole lot. What's important
in the end is the repeatability of the measurement.
Graeme Gill.
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