--- On Fri, 4/8/11, [email protected] <[email protected]> wrote:

> As I previously posted, I had been
> experiencing inconsistent/nonexistent auto focus with this
> lens.
> 
> I sent it off to C.R.I.S. - took 13 days for repair/return
> from when they contacted me about it.
> 
> For $173.USD, ($58 for the SDM & $115 for labor) the
> SDM was replaced, lens adjusted to manufacturers specs (?),
> a general check & clean and a 6 month service warranty.
> 
> The lens returned as pristine as when I sent it and it now
> autofocuses 100% of the time. Time will tell.
> 
> I requested the removed part, out of curiosity,
> it shown here http://photo.net/photodb/photo?photo_id=12929992
> 
> The SDM itself is smaller in diameter than an American dime
> and about 3 times as thick - amazing piece

It would be an even more amazing piece if so many people didn't have it fail.  
That is the major reason I haven't gotten a DA 17-70.

Rick


http://photo.net/photos/RickW





      

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