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Message: <blockquote data-quote="Paul Corfield" data-source="post: 1507373" data-attributes="member: 19132">Yeah, like Rick said, some of that fringing with the LX3 was probably from the eyepiece and some was probably from the LX3 too. Only way to tell if the scope is introducing any is to shoot with just the scope and dslr with no other optics in the way.The 80ED is short enough to carry quite easily but the 100ED I think would be just for limited travelling. The 80ED I carry in one hand with the tripod in my other hand and all my other gear is in my back pack. Some sort of carrying handle could easily be rigged up to make it even easier but I've personally not had the need. I carry my 80ED all over the countryside on an average of 3-4 hours per trip. The 100ED isn't all that much heavier, I think it's less than a couple of pounds difference but the length of the thing would be the limiting factor. All depends on terrain, how far away the subject is likely to be and how far you see yourself carrying it. Paul.</blockquote>