Tagged Questions
4
votes
1answer
357 views
What is an auto-focus motor?
I recently bought a Canon 550D, and I read it has an auto-focus motor, which not all cameras possess. I'd like to know what it is, and what I can do to keep it running smoothly; AFAIK the manual ...
6
votes
2answers
2k views
What is CLA service?
I've seen the term used in used lens listings, e.g "recently CLA'd".
I have a few questions, but I think they're related enough to only warrant one post:
What does CLA stand for, and what is it?
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