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Old 09-03-2012, 01:34 AM
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Merlin66 (Ken)
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Merlin66 is offline
 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
The canon front flange to CCD is 44mm. With the standard T2 EOS adaptor, 11mm, this becomes the "standard" 55mm.
(I also use a narrow T to EOS adaptor - to gain some back focus and this is only 1mm wide (!!!?) - let me know if you need details)
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