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Archive 2009 · convert Sigma with canon mount to nikon mount

  
 
pampers37
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p.1 #1 · convert Sigma with canon mount to nikon mount


is this possible? i have a sigma with a canon mount and looking to go nikon. can i get this adjusted? if so - how? can i do it myself? if not, what are costs?

thanks in advanced.



Aug 20, 2009 at 11:07 PM
RustyBug
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p.1 #2 · convert Sigma with canon mount to nikon mount


Definitely possible ... Search Ebay ... someone in Florida that does Sigma conversions to Nikon ... and I think Leica also.

http://cgi.ebay.com/SIGMA-SD14-CUSTOM-NIKON-F-MOUNT-REPLACEMENT-KIT_W0QQitemZ250485744559QQcmdZViewItemQQptZDigital_Cameras?hash=item3a521d23af&_trksid=p3911.c0.m14



Aug 20, 2009 at 11:37 PM
benben999
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p.1 #3 · convert Sigma with canon mount to nikon mount


I guess pampers37 is asking if the canon mount on a sigma (canon AF) lens can be changed to sigma (nikon AF) lens?


Aug 21, 2009 at 01:12 AM
Jman13
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p.1 #4 · convert Sigma with canon mount to nikon mount


I can't imagine this would be worth the time and or money to convert, rather than simply selling your Canon mount version and buying a new (or used) Nikon mount version.


Aug 21, 2009 at 04:26 AM
pampers37
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p.1 #5 · convert Sigma with canon mount to nikon mount


@ benben that is correct. i guess it wouldnt be worth the trouble...


Aug 21, 2009 at 06:17 AM
MichaD
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p.1 #6 · convert Sigma with canon mount to nikon mount


I heard Sigma used to change mounts on their lenses for a charge but stopped that quite some time ago.


Aug 21, 2009 at 06:28 AM
siriusdogstar
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p.1 #7 · convert Sigma with canon mount to nikon mount


pampers37 wrote:
@ benben that is correct. i guess it wouldnt be worth the trouble...


Yep, because the camera-communication electronics are entirely different; one for Nikon, one for Canon.

If the lens were a manual-focus lens, and the mount could be shortened by 2.5mm, then yes, it is possible.



Aug 21, 2009 at 10:40 AM
hotwire
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p.1 #8 · convert Sigma with canon mount to nikon mount


In the most basic sense, optically the 3rd party lenses are all designed to meet the longest flange distance of the current AF mounts (Nikon F at 46.5mm). The two issues that complicate things are the electronics (although I believe the Sigma lenses do some in-lens protocol and then translate to the camera system, similar to what Conurus does translating the N mount protocol to EF. The (most complicated item by far) is the control method for the aperture blades, since Canon and 4/3 requires a motor in lens for the aperture, and Nikon and Minolta/Sony use a lever, and Pentax I can't remember.


Aug 22, 2009 at 12:48 PM
tc95
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p.1 #9 · convert Sigma with canon mount to nikon mount


I think it would be cheaper to buy the Nikon version of the lens.....you can get a Nikon F to Canon Adapter.....but you will loose AF control....and maybe Aperture control as well...




Aug 22, 2009 at 08:36 PM





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