Today was a beautiful sunny day with a bright blue sky, so I decided to try out my new circular polarizer on my Ricoh KR-5 Super II (which is seeing way more action than my K100D these days). I used the meter as I normally would to set up my shots (that is, assumed it to be reading correctly and followed its recommendations to some extent), and thought nothing of it until I was putting the filter away and saw ADD 2 F STOPS in big bold letters on the case. However, since the filter effect is very noticeable when using an SLR camera, it seems like it wouldn't have an excessive effect on a camera with TTL metering, right? Would this be directed at rangefinders or other cameras with non-TTL metering? I guess I could wait to see the prints, but now I'm curious. Anyone care to enlighten me?