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images tulle crystals puffy prom Puffy Prom DressMartinRFebruary 15th, 2005, 12:05 PMI have an Olympus C2100 Ultrazoom. The real focal length of the lens is given as 7mm to 70mm (38mm to 380mm on 35mm equiv). When I operate the zoom lever, a bar appears in the viewfinder with T at the top and W at the bottom. Can I assume that this scale will be linear in terms of the focal length ie if the