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Re: [OM] Versions of Zuiko 50mm f 1.8

Subject: Re: [OM] Versions of Zuiko 50mm f 1.8
From: usher99--- via olympus <olympus@xxxxxxxxxxxxxxxxx>
Date: Sun, 10 Sep 2023 22:16:16 +0000 (UTC)
Cc: "usher99@xxxxxxx" <usher99@xxxxxxx>
> Reputedly Type 5 lenses are optically superior. They all seem to have been
> made in the same factory and precision and QC may well have been better.
> You cannot, however assume a Type 5 is better than any other; My best and
> worst samples of the 50mm f1.8 are both Type 5.Thanks for the comprehensive 
> answer, Chris!   All that rings true but a couple of surprising observations. 
>  I was not aware of that much copy variability for the MIJ versions and would 
> have thought the serial numbers would be a good indicator for the most part 
> unless the lens had been disassembled. I have not seen any mention on this 
> list of large sample variability on the high sn 50/1.4 Zuikos.  Certainly the 
> Z 21 f2's had much sample variability in sharpness at wider apertures as 
> documented by Mike Hatem.  At least Nathan obtained his from Bill Barber, 
> IIRC, so should have a nice MIJ copy.  I may have to go look at my Z 50/1.8, 
> Z 50/2 macro, Z 50/1.4 and Z. 50/3.5 macro just to give them some attention.
Nifty fifty fan, Mike
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