ahsanford said:With respect to d and rrcphoto -- who I very much agree with -- allowing someone to use older lenses is value-add whether you personally think adapting old glass is worthy or not. Some customers (say AvTvM?) will value this, and in turn, that makes it valuable to Canon in the form of keeping people in the ecosystem, raising loyalty, happiness, etc.
I agree with you it's a value-add that would help raise loyalty, happiness etc, but I don't see Canon thinking that way, certainly not to the point where they're in any way proactive in providing features or solutions that facilitate a positive experience when using third-party (vintage or modern) lenses.
Two examples: Third party AF lens manufacturers supposedly don't have access to Canon's AF algorithms, hence why there are often issues with the accuracy/repeatability of AF'ing of third party lenses on Canon bodies (purely speculation on my part, based on anecdotal reports from the 'net). If Canon wanted a user of its bodies to have as positive a shooting experience as possible, allowing other manufacturers to fine-tune their AF to be as effective as possible would surely be one way to achieve this, and would require little effort on Canon's side. But obviously it's in Canon's best financial interests for their lenses to be better performers compared to those from a third party.
Second: As best I can tell, you're not able to perform an AFMA adjustment for a vintage lens mounted on a Canon body via an adaptor. If you're relying on the in-VF focus-confirm dot to indicate when a manually focussed vintage lens is actually focussed, it would no doubt to useful to assign a correction value under the AFMA menu to fine-tune the focus accuracy. Again, something very easy to enable in the software/firmware of the camera, I would think.
Bonus third example: One I just thought of - the lack of a built in intervalometer in Canon bodies for so long. I don't think anyone has felt happy about being required to purchase and carry an external piece of hardware in be able to perform this kind of shooting, especially when many Nikon bodies have offered it built in for years, and once more, it's not something that's difficult to implement. Thankfully, Canon seem to have "seen the light" on that one. Funnily enough, they've helped build a market of third-party intervalometers due to the price of theirs being so high! But neither fact engenders positive feelings in the user.
Anyway that's my thinking!
Cheers,
d.
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