Trevor wrote:
>It looks as if Vivitar updated the lens, but one or two stores still have
older ones in
>stock. Any ideas which is better? When the changed the design? Any
information appreciated.
Usually you can tell the age by the filter size. All are very well built.
They started with 72mm [(very heavy lens) 1960's -70's], dropped to 67mm
[(lighter weight) 1970's] and dropped further to a 58mm [(lightest)
1980's]. I don't think there is much optical difference that an end-user
would be able to distinguish. I use the 58mm S1 lens (70-210 f2.8, 35-70
f3.5), primarily because they are lighter weight and they take great
pictures. I am not sure of the 1990's version of the S1. There are only a
couple of models available for MF. Make sure you check the lens test page
at http://members.aol.com/olympusom/lenstests/default.htm for additional
technical info on some of the S1 lenses. My $0.02.
________________
John Cwiklinski
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