Film-Tech Forum ARCHIVE: NEC NC2000C Bulb selection

This is topic NEC NC2000C Bulb selection in forum Digital Cinema Forum at Film-Tech Forum ARCHIVE.

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Posted by Steven J Hart (Member # 2340) on 04-23-2013, 10:58 AM:

I'm currently running a Philips LTIX-2000W-HEHS in this projector. The screen is only 24' wide with a very long throw @ 116 ft. The bulb is nearing the end of warranty life, and is often running at 102% - 106% to achieve proper screen illumination. A neighboring theater has the same projector on a similar size screen with a shorter focal length lens and he is only having to run around 85% to get the same brightness. A couple questions come to mind.
1: is the 85-142 mm Konica-Minolta lens a light hog?
2: would it be better for me to be running a 3K bulb at lower percentage instead of running the 2K so high?

Posted by Carsten Kurz (Member # 5396) on 04-23-2013, 02:27 PM:

Check out Ushios new offerings. They have multiple lamp types now with the same current rating - higher light output, longer runtime, whatever you prefer.

- Carsten

Posted by Steven J Hart (Member # 2340) on 04-24-2013, 05:08 PM:

Thanks for the reply Carsten. Any idea if the longer focal length lenses are less light efficient?