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Re: [OM] Portrait lens

Subject: Re: [OM] Portrait lens
From: "Brian Swale" <bj@xxxxxxxxxxxxxxx>
Date: Sat, 21 Dec 2002 16:57:37 +1300
Christian Fischer wrote
> 
> How can a zoom lens be sharper than a fix(ed) focal (length) lens ?
> Happy Christmas time for all.
> Christian

Easy (to describe, not to do). There has been continuous improvement in 
lens design (use of computers, different thinkers working on the problems, 
different combinations of different lens elements), aspherical surfaces, better 
and different glass, better lens coatings, improved quality of manufacture for 
the same price or lower, greater precision in all important things. 

During the last 20 years at least. This shows in the published lens tests.

But obviously not for ALL lenses; just some. The trick is, to find out WHICH.

Brian

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