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[OM] Re: 420 and 25/2.8

Subject: [OM] Re: 420 and 25/2.8
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Thu, 17 Jul 2008 08:11:19 -0400
I'm sure that's true but it didn't answer my question.  :-)

Chuck Norcutt

Wayne Harridge wrote:
>> Does anyone here know what the "system performance" is?
>>
> 
> It's easy enough to measure if you're looking at linear distortion and I'm
> sure optics designers know how to measure all the other lens performance
> parameters you might be interested in, e.g. CA, field curvature, coma, MTF,
> etc.
> 
> ...Wayne

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