On 10/8/05, Andre Langevin, discombobulated, unleashed:

>On very few lenses it is possible. I've been able to slightly grind 
>(less than 1 mm) a pre-set (without any auto mechanism) Rokkor 100/4 
>and will glue a grinded Pentax screw reverse adapter on it, when I 
>can go to the local cooperative metal shop after holiday.  Because of 
>lack of a collimater, I just get sure I am a little bit past infinity 
>at the inf mark.  Only set stop tele lenses can be adapted this way.

VERY interesting. Thanks Andre. If you get the time, diagrams and/or pics
would be appreciated.




Cheers,
  Cotty


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