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Author Topic: E26 (ie household 120v) High CRI D50 Bulbs?  (Read 2491 times)
John Rodriguez
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« on: September 12, 2013, 09:22:30 PM »
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I'm looking for a high CRI 5000k bulb for print evaluation.  I know about the Solux PAR bulbs but they're 3000k unfortunately.  Suggestions?
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pluton
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« Reply #1 on: September 16, 2013, 12:33:08 AM »
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Search out the KinoFloŽ KF55 26 watt, medium screw-base(E26) CFL bulb.
KinoFlo is a 25-year supplier of lighting instruments to the motion picture and television industry, and pioneered the "truly color-correct", photographically useful flourescent tube and related fixtures. It's 5500ēK and not 5000ēK, however. 
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John Rodriguez
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« Reply #2 on: September 16, 2013, 11:08:59 AM »
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Perfect, thanks Pluton!  5500k is fine.  The main things I'm looking for are high CRI and daylight balanced, this fits the bill.
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Scott Martin
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« Reply #3 on: September 16, 2013, 11:30:12 AM »
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I'd go with the Solux bulbs anyway. The idea that 5000K is important is a myth - what's really important is the CRI and that's where Solux excels. Since human perception has chromatic adaptation, we adapt to these different color temps, except for a subtle psychological effect. Cold light 5000+K lights gives us a feeling like we're in a sterile hospital environment. Warm 2700K lighting gives us a homey "I feel like sleeping" feeling.

IMO, High CRI 3000-4000 is the perfect temp for critical print viewing as it gives us neither of those impressions - when you walk into a room light in this way it just feels right. Just my opinion! [as someone who consults with a lot of people internationally on lighting and CM issues]
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John Rodriguez
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« Reply #4 on: September 16, 2013, 05:43:37 PM »
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Thanks Scott.  I've heard solid arguments for both, so I plan on trying both Smiley
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