I took some indoor flash photos with my 10D tonight. The camera set
the exposure at 1/60 F 4.0 as it always does and I was shooting with a
24-70 L2.8. I was not too happy with a number of the shots in that
many had very dark backgrounds as if my 420 EX did not illuminate
scene properly. The lens had a skylight filter on it. Could that
have caused an exposure problem in this situation?
Here is an example photo:
I guess asked another way, should filters be removed for indoor flash