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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