Hi, Hans
I'll try to scan this if I can.
No the speed of the 90-250 mm zoom is not revealed, neither is the speed of
the 135 mm macro.
I guess that you are right about the QA 310. It was probably not developed
before the OM 2.
Lars
----------
> Fra: Hans van Veluwen <mail@xxxxxxxxxxxxxxxx>
> Til: olympus@xxxxxxxxxxxxxxx
> Emne: Re: [OM] More info on Prototype Zuikos?
> Dato: 24. november 1999 12:39
>
> Lars Bundesen wrote:
>
> : The brochure has no picture of a flash, nor is any mentioned, but the
> : drawings show to flash models, different from the QA 310, the original
OM
> : flash. One of them might be the PS 200 model, which for some reason was
not
> : sold here in Denmark.
>
> My Dutch OM-1 MD manual from 2/76 doesn't contain the QA 310 either;
wasn't this
> flash released together with the OM-2, in 1975? The manual is probably a
> translation of an early version. The only Olympus flashes that are
mentioned are
> the CL (for flash bulbs) and the very simple electronic flash PS 200 (GN
14m, only
> manual).
>
> : I'll try and see if I can scan this somehow, but I doubt that this
scematic
> : drawing can be scanned.
>
> If you could, Lars, I would like a copy of it for the e-SIF. My manual
doesn't
> contain a Lens Group Chart, only a table, which doesn't contain any of
these
> prototypes (it does contain the specs of the old design L.Zuiko 18/3.5
(12 el,10
> gr)), and a group photo that shows both 300's, both 400's and this old
18/3.5.
>
> Btw, does you chart reveal what the speed of this 90-250mm zoom would
have been?
>
>
> H@nz
>
>
>
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