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AR and RX lenses: the differences?
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PostPosted: Mon Jul 04, 2011 3:53 am    Post subject: AR and RX lenses: the differences? Reply with quote
http://www.c-mountlens.com/2011/bolex-reflex-rx-lenses-the-difference

Seems reasonably clear and authoritative. Well written, too.


PostPosted: Tue Jul 05, 2011 2:06 pm    Post subject: Reply with quote
Thanks, Pat, for bringing this interesting website to my attention.

I was also interested to read that the length of the c-mount thread is prescribed at 3.8 mm. I had guessed it must be more than a coincidence that whenever I modified a c-mount lens to get infinity focus I had exactly the same amount of thread protruding from the back of the c-mount to m4/3 adapter. This makes it easy to tell with infinity focus is going to be possible without modification or not.

Mark


PostPosted: Tue Jul 05, 2011 2:40 pm    Post subject: Reply with quote
My pleasure, Mark!

Good point about the infinity focus!
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