Every now and then, I fantasize about finding one of the couple of
prototype GRIN Zuiko 85/1.4 lenses Olympus built.
*something* must have happened to them? Does nobody have any more info
other than the single italian web page by Marco Cobina that's been
around for years?
Dawid
On 15 Mar 2012, at 6:44 PM, Sawyer, Edward wrote:
> I think the unreleased 85/1.4 had an aspherical element. It had a GRIN
> element which achieves some of the same concepts. Marco Covina had
> abit of
> info on it, and there's a patent for it too.
>
> They also had a patent on a 24/1.4 that was never released which may
> have
> had aspherical elements, I forget.
>
> 85/1.4: http://www.google.com/patents/US5029994
>
> 24/1.4: http://www.google.com/patents/US4770512
>
>
>
> -Ed
>
>
>> Ken, I was not under the impression that *any* of the OM lenses
>> contained aspherical elements, much as this has been speculated
>> before
>> on some of the better ones. What information do you base this on?
>> Olympus' line drawing of the 250/2 sure *looks* like on element is
>> aspherical, but I always discounted this as an artifact of bad
>> printing (or bad drawing!) in the OM System Lens Handbook.
>
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