I recently got rid of my 100-300 zoom lens for Canon, since it was an older lens with less then best optics. I do have a Nikon 70-300 VR zoom though which is an improvement. I will be packing the Nikon lens in with the Canon on a trip to the Grand Canyon this fall. Anyway I ordered a Chinese Nikon G to EOS adapter off Ebay. It lets you focus confirm and also adjust aperture on the lens. What I'm wondering is on using stop down metering on the Elan 7 and slide film. Does using stop down metering take advantage of the matrix metering or will I end up with under exposed shots? I'm just wondering if I should set the exposure compensation 1 stop to allow for more light on the film? Has anyone used a combo like this and what were your results?