I have both an OM2 and an OM2n. Both work well. The OM2 has a little dent on the top cover right corner. The OM2n is in great shape all around. Both need new seals. *note the OM2 is a high serial number so it may not have any foam on the prism. I was thinking of selling one to fund a full CLA on the other. From reading online, it almost seems like the OM2 is the one to keep if I want to use it for fill flash and long exposures. Is there any other advantage of the OM2n that I am missing?