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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: "Jeff Keller" <jrk_om@xxxxxxxxxxx>
Date: Wed, 18 Feb 2004 18:47:14 -0800
At least one of the fast mirror lenses (probably Sigma) had a lens cap with
a hole in it that could be used to reduce the aperture. I still haven't got
around to trying something similar

-jeff

----- Original Message ----- 
From: "Moose" <olymoose@xxxxxxxxxxxx>


>
> 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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