Hi again, Indeed the EOS 30 has the same pattern than the 300 (I don't know about the metering algorithms, though).
If you have some 1/2 under and some 1.1/2 underexp. it seems to me like subject bias rather than bad metering. I used once a friend's EOS300 with the 25mm extension and I had no problem at all. I've used extensions with the 50/1.8, 28-135IS, 75-300IS and 100/f2.8 (new version). I've seen no dramatic exposure problems. Most of the times *my* exposure problem is the subject itself (as I still think it can be yours). What was your subject? Other cause to consider is reciprocity failure: as the extension is reducing the amount of light falling on the film, you need longer exposures. If they fall over the 1 second you should have to compensate. Check your film documentation for reciprocity data and correction factors. Greetings, Gerard, * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
