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Kelvin Temperature

Harry Joseph , Sep 22, 2012; 12:58 p.m.

The lowest Kelvin color temperature reading on my Canon 7D is 2500 Kelvin. That matches pretty well with a 40 Watt incadecent bulb. However, the color temeperature for sunrise and sunset is 2000K and for candle light it is 1850-1900 even lower is match flame at 1700K. Now some of these are pretty common shooting situations. Anybody has any idea why Canon stopped at 2500K ? Are there any Cameras in Canon's line up, or any other manufacturer that have a lower preset color temperature than 2500K ?


Dave Thomas , Sep 22, 2012; 01:03 p.m.

In situations like fire light, sunrises or sunsets, I would normally want that warm glow -- maybe that is included in whatever logic they may have employed.

Alan Bryant , Sep 22, 2012; 01:34 p.m.

For what it's worth, Lightroom allows adjusting as low as 2000K.

I suspect the reason there's a lower limit is that there's basically no blue light at all in those temperature ranges, and therefore no way to get white.

Ruben Leal , Sep 23, 2012; 11:21 a.m.

Canon's DPP also allowed to go lower on the °K scale than previous cameras (I used to set the 20D at the lowest setting for in-camera JPGs when shooting low-light scenes in theater plays, and then get even lower when converting the RAWs). Still I never had the need in the 7D, don't know if the camera range was expanded, or if I stopped needing that color temperature.

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