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Re: [OM] Arcane Question No. 1: 50/1.8 as loupe

Subject: Re: [OM] Arcane Question No. 1: 50/1.8 as loupe
From: "J. Williams" <williams@xxxxxxxxxxxxxxxx>
Date: Mon, 17 May 1999 23:07:21 -0700 (PDT)
Cc: olympus@xxxxxxxxxxxxxxx
How so?  Slower lenses have fewer optical elements.  Fewer elements mean
more light transmission.  F1.8 wide open should be sharper than f1.2/f1.4
at wide open.

John

On Mon, 17 May 1999, George M. Anderson wrote:

> 
> 
> "J. Williams" wrote:
> > 
> > All things being equal, the slowest lens is the sharpest for any given
> > focal length.  Less weight is also a minor advantage.
> > 
> > John
> > 
> >
> 
> John;
> 
> I'm afraid you've got this exactly backwards. Except for the weight. :>)
> 
> George
> 
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> 
> 


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