[OM] 21mm F2 and 24mm f2 - worth the extra over the slower 21 and 24 zuikos?

[jking]

Damn can't get rid of the zuikoholism....
I aquired 35 and 24mm shifts (the later taking forever to be cleaned by
Luton cameras the former clean as a whistle) and 28 and 35mm F2s. my
question is it worth buying the 21mm and 24mm F2s? when I already have the
24mm F2.8 and 21mm f3.5.

The reson I ask is the the lens tests for the 28 and 35 F2s show
siginificantly beter performance and good performance over a wider range
than the cheaper zuikos and the 28mm F2 has a very good reputation (can't
wait for it to arrive). However when you look at the performance figures
for the 21mm and 24mm things are less clear. Has anyone made a comparison?
The extra speed does not bother me. I take night photos and architecture
and landscapes etc - things that don't require high shuter speeds when you
have a good tripod... My only interest is clarity and contrast.

Regards and thanks for any input
James





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