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[OM] Re: 21mm F2 and 24mm f2 - worth the extra over the slower 21 and 24

Subject: [OM] Re: 21mm F2 and 24mm f2 - worth the extra over the slower 21 and 24 zuikos?
From: Moose <olymoose@xxxxxxxxxxxxxxx>
Date: Thu, 24 Mar 2005 01:50:02 -0800
jking@xxxxxxxxxxxxxx wrote:

>........ my
>question is it worth buying the 21mm and 24mm F2s? when I already have the
>24mm F2.8 and 21mm f3.5.
>
>The reason 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.
>  
>
I don't think you will see a difference at the same f-stops in lenses in 
top condition. I occasionally think about getting a 21/2, but strictly 
for the almost 2 stops of speed. I've never seriously considered getting 
a 24/2, as it is only one stop faster than the f2.8.

I do have the 28/2 and it is indeed very nice. I also have a 35/2.8, but 
only as a sort of place holder, as I almost never use a 35mm prime, 
that's mostly zoom country for me. I seem to recall posts from members 
who were unhappy with particular copies of the 35/2, claiming the f2.8 
was as good or better, or maybe that it wasn't any good wide open, so 
why spend the extra money, somehitng like that.

Certainly Gary's test of 35/2 sample 2 is no better than any of the 
35/2.8s tested,  the two MC or the one SC when used with an OM-4 with 
mirror and aperture prefire.. In fact, if you read his Notes, 
"differences are significant across full letter grades only (unless a 
paired comparison was made - as noted", only one of the 35/2s tested is 
demonstrably better than the 35/2.8s tested.

Moose


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