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Re: [OM] Depth of field questions

Subject: Re: [OM] Depth of field questions
From: Frank Ernens <fgernens@xxxxxxxxxxxxxxx>
Date: Sat, 06 May 2000 23:34:53 +1000
Gary Reese wrote

> Olympus designers were first to
> market with a combined close and far focus aberration correction system
> (using floating elements) in the 50mm f/3.5, then later in the 50mm f/2
> and 90mm f/2. In contrast, the f/2 ultra wide angles only offer close
> focus aberration correction.

Are you saying that the slower ultra wides perform better
at infinity? That would make sense - the f/2's for journalism
and the slower ones for landscape. And where does "ultra"
start - 24mm?

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