Peter commented: > At the risk of starting a huge discussion about lens equivalents, fCalc, > (http://www.tangentsoft.net/), seems to think that 28mm is the > equivalent in angle of view to a 35mm on 35mm, and 70mm is the > equivalent of 90mm on 35mm. That said I'm not exactly sure which APS > frame format it's assuming. If you use the multiply by 1.5 method it > covers the equivalent of 42 to 105. Take your pick.
after I'd described the range of the 28-70 on the *ist D as: > >Normal to short tele. That's a big part of why I answered the question that way. ERN
