Originally Posted by darinwc
OK, after using a light bulb to compare my QL17's meter to another QL17, four other SLR's, and five meters.. I am confused.
I will try again during daylight when I can use a grey card.
Use an evenly illuminated wall. If you use a grey card, be sure the meters and camera are close enough that you are metering off the grey card and nothing else.