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LED off-road auto headlamps, brighter than on-road, are good enough and cheap enough now that those are an illumination option.

LED off-road auto headlamps, brighter than on-road, are good enough and cheap enough now that those are an illumination option. You can get a few thousand lumens now for a hundred dollars or so. Halogens are a pain; they have a short life, cooling problems, and generate IR which turns into heat at the LCD panel, so you need fan airflow across the panel. This guy has been struggling with halogen cooling and power problems. Halogens are on the way out. Even stage lighting is going LED. Projectors are getting better, cheaper, and brighter with LED lamps behind them. Here's a 1000-lumen 1080p projector: " http://www.lg.com/us/projectors/lg-PF85U-portable-led-projec... . It's still around $1200, but give it six months.

Posted by Animats on Jan 10, 2015, 7:19 AM

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LED off-road auto headlamps, brighter than on-road, are good enough and cheap enough now that those are an illumination option.

AnimatsJan 10, 2015, 7:19 AM

LED off-road auto headlamps, brighter than on-road, are good enough and cheap enough now that those are an illumination option. You can get a few thousand lumens now for a hundred dollars or so. Halogens are a pain; they have a short life, cooling problems, and generate IR which turns into heat at the LCD panel, so you need fan airflow across the panel. This guy has been struggling with halogen cooling and power problems. Halogens are on the way out. Even stage lighting is going LED. Projectors are getting better, cheaper, and brighter with LED lamps behind them. Here's a 1000-lumen 1080p projector: " http://www.lg.com/us/projectors/lg-PF85U-portable-led-projec... . It's still around $1200, but give it six months.

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