So if we posted this info to a list of Pentax M42 screw mount owners, it might
improve our odds. Does anyone an idea where they
are? Yahoo! groups?
If I had a collection of M42 lenses, I'd be very interested indeed. Those were
the Spotmatic and Spotmatic II from late 60s through
the 70s, roughly. I doubt that Practica folks would be much interested.
Fujica made some M42 bodies. Does anyone have a big
collection of Olympus FTL glass?
Lama
PS, I didn't think so. :)
From: "Piers Hemy" <piers@xxxxxxxx>
> There has not been much demand for the existing adaptors - M42-Sigma sold
> 80, only 10 outside Japan. His reasoning is that if he can only sell 10
> worldwide for the most widely available lenses, what hope is there for the
> more obscure (such as OM). And it cost $6000 to develop that M42 adaptor.
> So, since the cost per piece varies with the volums produced, the minimum
> run practical is 100.
> A one-off will cost $500
> A run of 50 will cost $60 each
> A run of 100 will cost $40 each
> A run of 1000 might cost $10 each
>
> And so far the planned Nikon adaptor is on hold, because he needs to sell
> off some of his remaining 60 M42 inventory. He is worried that having sold
> 80, he has saturated the market - perhaps only 80 Sigma SD9 were made?
>
> The M42 adaptor was designed by the retired manfacturing chief for the Nikon
> F, using the same kind of facilities used by Nikon to make test samples, and
> is at the same level of quality.
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