Quote:
Originally Posted by Tandum
Don't you already use one for your modified 40D? You should be.
The simple way is to put in the filter and take an image of white sheet of paper under direct sunlight. Set that image as the CWB. The camera will do the maths between that image and the image your taking. The real way is to get a gray sheet from a photo shop and do the same.
I'd like to say it works like a flat but I don't know enough about the workings inside of a canon camera to say that and the guys at canon are very reluctant to tell you about it.
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Got it!
Yeah Robin I use CWBs regularly for daytime stuff - I'll try that.
Cheers
Doug
