Herb wrote: > this scene was beyond the lower end of the metering capability of the camera. it stopped at the lowest level that it could > compute a measurement for. you have to manually calculate exposure with this little light. multisegment metering had nothing > to do with it.
I just had a look at the owners manual. Of course you're right. Because it was a 15sec exposure and I know the camera can do up to 30 sec exposures I thought the camera was within its metering capability. Apparently 4 sec on f4 is the limit.

