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Re: [OM] mtf / sharpness

Subject: Re: [OM] mtf / sharpness
From: ZuikoholicRI@xxxxxxx
Date: Wed, 27 Sep 2000 13:47:18 EDT
In a message dated 09/27/2000 12:41:18 PM Eastern Daylight Time, 
frieder.faig@xxxxxxxxxxxxxxxxxxxxxxxxx writes:

> > I started by comparing 85/1.4 nikor to 100/f2 zukio. The zukio scores 
> higher
>  > but the Nikkor tested better (nikor at f1.4 is 62 zukio at f2 is 72). So 
I
>  > ask the question why ?
>  
>  Confused 72 is better than 62. :-|
>  In my opinion this lenses are pretty equal over all.
>  

One of the weaknesses in the Photodo rating system is that they don't 
consider how the lens performs wide open. The single-number rating only 
considers lens performance at f4 and at f8.

In their defense, if you ignore their single rating number and look at all 
the data, there is a lot of useful information to be found there.

Paul Schings

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