>>Do you have a reference to show that changing lenses >without >>turning camera off can hurt the camera or lens? > >But that's not what we are saying - our point is that turning >the camera off takes very little time and will completely >remove any chances of electrical problems caused by clumsy >changing of a lens.
Thinking about it, turning camera off and then back on takes a lot of time. At least a second or two longer longer and a lot of things can happen in one second.
> >>Think about it. Opening the card door shuts off many >cameras, >>would you think releasing the lens would not disconnect >>something? > >Opening the card door does not cause ANY Nikon DSLR that I >have used (9 different models at the last count) to shut off. >And by the way, in the interests of experimentation, I did try >pressing the lens release button on one of my D3s's while VR >was active on the 70-200mm f/2.8G. VR kept running.
But by the time you grab the lens to remove, it will stop. Unless you are Speedy Gonzales Besides it is trivial too.
> >>If this matter was so important it would be posted >everywhere... > >Maybe it's not posted everywhere because most people are >sensible, do as advised, and turn the camera off first most of >the time
Wrong, it is not posted because it is so trivial. And don't say "most people" because at least one poster here in this thread does not do it and the many others admitting forgetting about it. Yet, no one ever mention any problems.