At 14:09 15/11/00 -0400, Terry Danks wrote:
>I recently acquired this lens, used but in apparently
>pristine condition. It seems
>unlikely to be damaged.
>
>I notice that I can not manually focus it at all unless the
>the EOS3 is both turned on and the shutter release
>button is half depressed.
>This is the case regardless of whether the lens switch is in
>the AF or the MF
>position.
>
>While the lens performs just fine after depressing the
>shutter release, in this
>respect it is quite different than my other two L lenses,
>the EF300/2.8l IS and the
>EF180/3.5L. Those I can focus manually without even turning
>the EOS3 on.
>
>Anyone know anything about this?
This is normal. See
http://www.techphoto.org/urllink.epl?html=/photo/equipment/canon/lens-motors.epl
Rodrigo Gimenez
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