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Mirror tele...


Adam Frisch FSF

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Is there any particular reason they're not used in film more, other than the aperture being fixed?

 

Has anyone tried to marry and anamorphic rear adapter (or a front fro that matter) with

a mirror tele? That's be nimble little package - and I can just imagine the oval doughnuts

dancing around in the background.... :P

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F-stop? most of them are f8 or higher I think.

 

The "dougnut" shaped out of focus highlights are to many people very unnatural too.

 

No practical iris (though I´m not sure if this is the same for all lenses).

As we cannot adjust the speed (fps) to the amount of light, a variable ND or better a Pola-ND could help here, lowering the light output even more.

 

So in general they are pretty unusable for motion picture, I think.

But great for stills from wildlife and stars!

 

Rob van Gelder

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I used a string of nikkor 500 mirror lenses when I was a stills shooter (news) and I remember none of them being very sharp, maybe it's inherent in the design.

I have a couple of still photographer friends who always preferred a Russian 500mm mirror lens - Meopta ?

 

-Sam

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