I was looking at http://members.nbci.com/_XMCM/veluwen/om-sif/lensgroup/
and noticed that most lenses were redesigned (they only list one for the
50f1.8). However for the 21mmf3.5 only one lens is listed. Does this mean
the sc and mc versions used the optical formulae ? This seems to contradicts
remarks made by others (mc coating required a differnt optical formulae than
sc coating)...
Hum. So confusing. Maybe olympus simply took the time to 'fix' some poor
designs when they went from sc to mc or maybe focal length determines if
sc to mc require optical change ?
Just cur.
Alan
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