The Sylvania / Osram ESR Lamp is a 100W, 120V clear halogen bulb with a DC bayonet base that is commonly used for stage and studio applications, as well as a modeling lamp. This lamp has a color temperature of 2950K, outputs up to 1900 lumens, and has a rated lifespan of 1000 hours.
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Well supported filament. Didn't break even when we dropped a non air-suspended light stand while the light was hot from running for 3 hours. Consistent color temp, great CRI. What else can I say about a bulb?