Old 28mm 2.8 vs new 28mm 2.8 IS?

Started Dec 12, 2012 | Discussions thread
LouMeluso
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Re: Old 28mm 2.8 vs new 28mm 2.8 IS?
In reply to photospots, Dec 12, 2012

My research shows that there is great difference between the two models and you have to remember that there are many years between those two being designed. The old model is most likely based on a design from the 1980'ies and the new is from this year. A lot has changed since the film days

Besides the inclusion of IS, could you please share the research that explains the great changes that have occurred between the old and new optics. You state a lot has changed since the film days. Can you be more specific?

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