Originally Posted by viewfinder-m2
Thanks Colton that's what I was thinking. Yes you can put a filter on the T3 with an adaptor made by Contax specifically for this purpose and for use of a hood IIRC.
In that case, you would need to set the exposure compensation to +3 for the red filter, but the T3 will only go to +2...
Reading the specs for the T3, I think the exposure compensation resets after every shot, so you would need to set it every time you take a shot.