>From the photodo web site, comparable lenses followed by they photodo
grade:
OM 100/2 - 3.9
Canon 100/2 - 4.2
Minolta 100/2 - 4.4
Nikon 105/2.5 - 4.2
Leica Apo-Macro-Elmarit-R 100/2.8 - 4.5
OM 90/2M - 4.2
Leica Summicron-M 90/2 - 4.3
Tokina AT-X 90/2.5 - 4.6
Tamron SP 90/2.5 - 4.2
Contax G Sonnar 90/2.8 - 4.4
The scale of grades is logarithmic with 5.0 being a perfect score.
Certainly, Olympus is in the race, but not leading the pack.
Be seeing you.
Dirk Wright
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