Archived posting to the Leica Users Group, 2006/11/08

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Subject: [Leica] Autumn Color
From: firkin at ncable.net.au (Alastair Firkin)
Date: Wed Nov 8 21:09:29 2006
References: <l03130300c177e4b6b23f@[129.89.124.186]> <14038217-B9B2-4E01-B050-DEF3F8C199E0@pandora.be>
 
I made my own.(But I have to use it on a reflex camera)  I
>> bought an old, non coupled 135mm Elmar for $ 25.00.  By taking out the
>> front set of elements, then unscrewing the rear one of these
>> slightly, and
>> putting back the now separated set, I got spherical aberration that
>> varies
>> with the f stop.

I can't wait to try this at home: perhaps my nice new summicron ;-)

Thanks for sharing these techniques

Cheers
In reply to: Message from amr3 at alpha1.csd.uwm.edu (Alan Magayne-Roshak) ([Leica] Autumn Color)
Message from philippe.orlent at pandora.be (Philippe Orlent) ([Leica] Autumn Color)