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Topic: Which Colorimeter?
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Ed Mauger
Film Handler
Posts: 11
From: London, London, UK
Registered: May 2008
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posted 01-03-2011 07:25 PM
Hi Simon, The PhotoResearch PR655 is very stable, reliable and the most accurate of them all (and most expensive!), but not hugely more than the others. There's a dealer in Australia - check http://www.photoresearch.com/current/contactasia.asp#lightlab
As for the Minolta CS100A, have a look at the specifications. It seems that it will not measure x,y co-ordinates below 12cd/m2 (about 3.5fL), so this would be useless for cinema projectors, particularly for low light 3D colours. You could try the Minolta CS200 instead. This time there's a dealer in New Zealand!: http://www.konicaminolta.com/instruments/about/network/asia.html
One problem with the CS200 might be the lack of accuracy of x,y measurements at low light levels of +/- 0.004. The DCI specs call for +/-0.002 for review rooms or +/-0.006 for theatres. Depends if you're bothered about that or not.
The other 2 are: USL PCA100 (as in the post above), or Jeti Specbos 1211 http://www.jeti.com/cms/index.php/instruments/radiometer/specbos-1211 [I'm pretty sure this is the correct model - but check before!!].
I know of a few people who have the Specbos and are very happy with it, and the same for the PCA100 and CS200.
Not sure what you'd do about calibration - maybe the Australian and New Zealand agents can calibrate the PR655 or CS200.
Good luck! Ed.
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