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Anyone with HID Source Four experience?

leko source four lighting HID cinematography

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#1 Joseph Tejeda

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Posted 22 January 2016 - 07:00 PM

Hi Guys! I've found some decently priced Source Fours (HID 150w) and I'm looking for anyone with experiences or opinions on the HID version of the source fours. I understand they are not dimmable and have a cri of about 85, so I'm debating whether to purchase the more expensive tungsten version or get the cheaper HID version available. I plan on using them to create "harsh daylight" through windows and maybe as a bounced key etc. Looking for any thoughts/experiences/suggestions. Thank you.
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#2 Phil Rhodes

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Posted 22 January 2016 - 07:26 PM

If they take the same G12-based CDM as the PAR variant, you can put better lamps in them. The Philips CDM-T 150W/942 is advertised as 4200K and 96CRI, although bear in mind that CRI can be misleading.

 

Cool Lights sells a 6000K CDM-compatible quartz discharge lamp, but I haven't used it and I don't know how well it matches, for instance, with HMI.

 

I have no idea why the tungsten ones would be more expensive. The opposite is usually true.

 

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#3 Joseph Tejeda

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Posted 23 January 2016 - 10:26 AM

Hi Phil, thank you!  You helped shape my decision and the lamps you suggested do work with these Source Fours.


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#4 JB Earl

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Posted 05 February 2016 - 12:53 PM

FWIW here's a quick color test with Coollights 5000K lamp in a S4 CDM par.  I think they work pretty well together.

 

 

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#5 Phil Rhodes

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Posted 07 February 2016 - 06:30 AM

I think they're rather useful. 

 

As a card-carrying nerd and tinkerer, this won't interest everyone, but - there's a way to make these things hot-startable, at least with certain bulbs. It doesn't work with all of them.

 

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#6 JB Earl

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Posted 24 February 2016 - 03:16 PM

I used these once on a commercial where the director wanted me to flick it on and off (like you would do with a hotlight) so he could see the effect.  I don't imagine that would work even on a hot strikeable one, but it would still be useful


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