I like to take a custom white balance rather than use the presets.

I have been using a BRNO white balance lens cap to achieve spot on white balancing in my Canon 40D. When I switched over to Nikon I purchased the D700 and began learning about my camera. I love the BRNO cap, at least w/ my Canon. When I used it w/ the Canon it always delivered accurate results.

But now on my D700 I am struggling. Using it to WB outdoors has been fine, but indoors and most noticeably under fluorescent lights it is failing miserably. I did a shoot yesterday at a studio which had two different rooms, one w/ fluorescent and one w/ tungsten and both WB came out warm, "yellow/orange". I also did a candid shoot prior to this in a local bar and then again a restaurant w/ fluorescent lighting and this is where I became aware of the issue.

I ended up using the presets in the camera,
Wondering if anyone here has specific knowledge and can advise?

thanks,

doug

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I have a BaLens cap (assume this is what you have), but have only used it for a few pictures. It did give warmer results than I get with an ExpoDisc. Nikon requires that you fill the frame with the reference color and that does not happen with the BaLens cap, but does with the ExpoDisc. You also get considerably less light to measure since the size of the dome is a small precentage of the lens cap. Maybe this is part of the issue.

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