On Nov 8, 2013, at 12:33 PM, Matthew Hunt <[email protected]> wrote:

> 
> When shooting with a manual lens that doesn't communicate its focal
> length to the body, there is no way to tell the body that it's a zoom
> lens. The body uses that setting for shake reduction. There wouldn't
> be much point in telling the body "It's a 70-210 zoom," because the
> body still wouldn't have any way to tell which focal length the lens
> was set to at the moment of exposure--the lens doesn't communicate
> that information, which is the whole problem in the first place.
> 
> So the best you can do is tell it what focal length you'll be shooting
> the lens at. (Or, pick some reasonably close average value, or disable
> SR so the setting doesn't really matter.)

Thanks for the explanation, Matthew. 

 When I do what you suggest will the camera be performing shake reduction?

------------------------------------------------------------------------------------------
Eric Weir
Decatur, GA  USA
[email protected]

"The problem with the world is that the intelligent people are 
full of doubts while the stupid ones are full of confidence."  

- Charles Bukowski 





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