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Author Topic: NEC NC2000C Bulb selection Steven J Hart Master Film Handler Posts: 282 From: WALES, ND, USA Registered: Mar 2004 posted 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?  |  IP: Logged Carsten Kurz Film God Posts: 4340 From: Cologne, NRW, Germany Registered: Aug 2009 posted 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  |  IP: Logged Steven J Hart Master Film Handler Posts: 282 From: WALES, ND, USA Registered: Mar 2004 posted 04-24-2013 05:08 PM                        Thanks for the reply Carsten. Any idea if the longer focal length lenses are less light efficient?  |  IP: Logged

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