On Sat, Mar 03, 2007 at 08:40:41AM +0800, C.H.Ling wrote:
> From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
> > Mirror lenses of less than 500mm focal length are quite rare as are
> > apertures larger than f/8. I think someone made a 350mm mirror lens
> > long ago but I can't remember who it was.
> Tamron has a 350/5.6 and there is also a Russia 350/4.5 which seems pretty
> good in resolution, I have tried it once on my E-1.
I've got a very nice - and very compact - Celestron 300/5.6.
--
Jay Maynard, K5ZC http://www.conmicro.cx
http://jmaynard.livejournal.com http://www.tronguy.net
http://www.hercules-390.org (Yes, that's me!)
Buy Hercules stuff at http://www.cafepress.com/hercules-390
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