#17. "RE: Reikan FoCal or LensTune to calibrate lenses with D800?" In response to In response to 9
Inverness, US
I used halogen lights several times while doing FoCal tuning, but they really burn out fast. I found that a regular light bulb in a reflector works just as well as a halogen light. You can get a blue type of light and eliminate the WB correction that you are tempted to do during tuning...which makes no difference in the results.
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