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September 20th, 2005, 12:27 AM
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#16 |
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Major Player
Join Date: Sep 2004
Location: Phoenix, AZ
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OK, here are my test. The results of some of the tests revealed how this stuff works and how a better set of tests might be run. More coming soon.
http://www.matterofchance.com/gs400/latitude.html Also, there is more discussion on this topic here.
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September 20th, 2005, 01:14 AM
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#17 | |
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Quote:
Thank you very much. You are brilliant. Regards Leigh |
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September 22nd, 2005, 06:29 PM
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#18 |
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Major Player
Join Date: Dec 2004
Location: Minneapolis Minnesota
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Thanks
Joshua, you sure did a thourogh test, it is very enlightening, Thank You!
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September 24th, 2005, 10:59 PM
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#19 | |
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Quote:
Do you know zebra in GS400 is 100% based or 70%-80%? TIA Regards Leigh |
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September 24th, 2005, 11:15 PM
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#20 |
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Major Player
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Leigh,
It differs depending on mode (NORMAL vs. PROCINEMA / PICTURE ADJUSTMENT or not). In NORMAL it's 100%. In PROCINEMA, I believe it showed as 110% in one of my tests. With PICTURE ADJUSTMENT set to CONTRAST -5, it showed up at 85% in NORMAL and PROCINEMA. Josh
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September 26th, 2005, 12:09 PM
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#21 | |
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Quote:
Thanks for the answer. May I ask how you test and get these numbers? Just curious and I want to test to get these numbers myself? TIA Regards Leigh |
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September 27th, 2005, 08:00 AM
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#22 |
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Major Player
Join Date: Sep 2004
Location: Phoenix, AZ
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Leigh,
You can light up white card, frame it up, and open the iris until you start to see zebras. Record a second or two, bring it into an NLE and pull up a vectorscope. It should show you the IRE levels. I've done this with Premiere Pro 1.5. I did this in all the modes described, but I rushed, so I can't stand behind the figures, but I'd be interested to see if you come up with the same. Josh
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September 27th, 2005, 01:24 PM
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#23 | |
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Hi Josh,
Great Thank you very much. I will try tonight. Regards Leigh Quote:
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