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[OM] Re: [OM]Now my question 500mmreflex or 300mm tele

Subject: [OM] Re: [OM]Now my question 500mmreflex or 300mm tele
From: Moose <olymoose@xxxxxxxxxxxx>
Date: Wed, 18 Feb 2004 18:15:17 -0800
cochran@xxxxxxxx wrote:

>Well thanks, Bill, Moose, Jim and Jeff!
>
>I did not know the fact that the 500mm mirror was fixed at f8.
>
All mirror lenses so far are fixed aperture. Figure out how to make a 
variable aperure mirror lens that works correctly and can be 
manufactured at a reasonable cost and your fortune is made.

Moose


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