Originally Posted by benjiboy
A light meter isn't a pocket calculator you can't just accept the answer given, it's more like a slide rule it requires some skill and interpetation to arrive at the right answer.
Yes. You need to get to know it, you, and how the two interact.
Sound smore difficult than it is, though.
It's far better than rules of thumb.
Infinitely better than relying on light guessing 'skills'.