To play Canon's advocate:
* Making the specs open would cost Canon money in salaries to engineers and technical writers to create documentation third party manufacturers, and support people to help them figure out why the lens doesn't work properly, etc.
* Canon would probably lose sales to competitors.
* Some updates would be equivalent to announcing new features. Now Canon has two options - publish it when the FW upgrades & new lenses, and take fire for not giving 3rd party manufacturers time to adjust, or publishing it ahead of time so 3rd party manufacturers would have time to test and release new FW, and give competition an edge. Sounds like lose-lose to me.
Canon's game is capitalism. It probably weighed the benefits of keeping the mount closed, covering expenses by licensing the mount (for any lens, or only the lenses it thinks wouldn't compete too hard with Canon's), and making it open, and decided the 2nd option best serves its bottom line.
* Making the specs open would cost Canon money in salaries to engineers and technical writers to create documentation third party manufacturers, and support people to help them figure out why the lens doesn't work properly, etc.
* Canon would probably lose sales to competitors.
* Some updates would be equivalent to announcing new features. Now Canon has two options - publish it when the FW upgrades & new lenses, and take fire for not giving 3rd party manufacturers time to adjust, or publishing it ahead of time so 3rd party manufacturers would have time to test and release new FW, and give competition an edge. Sounds like lose-lose to me.
Canon's game is capitalism. It probably weighed the benefits of keeping the mount closed, covering expenses by licensing the mount (for any lens, or only the lenses it thinks wouldn't compete too hard with Canon's), and making it open, and decided the 2nd option best serves its bottom line.
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