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Sigma Lens Compatibility Issues
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<blockquote data-quote="BackdoorArts" data-source="post: 679826" data-attributes="member: 9240"><p>You mean patent infringement? I can't find anything that details that a mounting system can't be replicated. The only stuff I can find are infringements on tech within the camera and lenses (Nikon is suing Sigma over their VR patent). Licensing likely buys companies the guarantee that new bodies will be tested against existing 3d party lenses to insure that they function. I fully expect that not paying the license means that your lenses may purposefully be compromised in the firmware of new models leaving the vendor to have to figure it out an update their lenses.</p></blockquote><p></p>
[QUOTE="BackdoorArts, post: 679826, member: 9240"] You mean patent infringement? I can't find anything that details that a mounting system can't be replicated. The only stuff I can find are infringements on tech within the camera and lenses (Nikon is suing Sigma over their VR patent). Licensing likely buys companies the guarantee that new bodies will be tested against existing 3d party lenses to insure that they function. I fully expect that not paying the license means that your lenses may purposefully be compromised in the firmware of new models leaving the vendor to have to figure it out an update their lenses. [/QUOTE]
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