The price of the SD1M is still way too high!

Started Apr 12, 2013 | Discussions thread
Roland Karlsson
Forum ProPosts: 21,360Gear list
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Re: Don't copyrights slow this kind of thing up?
In reply to DaSigmaGuy, Apr 13, 2013

DaSigmaGuy wrote:

I don't see why as the patent on the original manual K mount has long expired by now...The current AF version of the K mount is mechanically identical and only differs in having electrical connections.

Sigma already knows the proto calls for these connections and it has made thousands of PK mount lenses, so there should be no problems at all if they wanted to wack a PK mount on a DPM.

There might be patents on the electrical connections also.

http://en.wikipedia.org/wiki/Pentax_K_mount

Current cameras use the KAF2 mount.

In practice I think its hard to claim a patent on an interface.

 Roland Karlsson's gear list:Roland Karlsson's gear list
Sigma DP3 Merrill Sigma DP2 Quattro Sony Cyber-shot DSC-RX100 III Pentax K-3 Pentax smc DA 15mm F4 ED AL Limited +8 more
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