On Dec 10, 2009, at 12:38 AM, Boris Liberman wrote:
Larry, isn't there a some kind of clutch that you have to engage or
disengage prior to going manual focus?
If the lens is in autofocus and the body is in autofocus, then it
will autofocus without the focusing ring turning.
If the lens is in autofocus and the body is in manual, then it won't
focus.
If the lens is in manual focus, and the body is in autofocus, it will
autofocus, but the focusing ring will turn. It will not manually focus.
If the lens is in manual focus and the body is in manual focus, then
it'll focus manually. The problem being that if feels graunchy, the
focus is not smooth.
Even with the lens off the body, the focus is not smooth.
On Thu, Dec 10, 2009 at 10:26 AM, Larry Colen <[email protected]> wrote:
Does anyone else have the 20/1.8?
Optically it seems like a sweet piece of glass. Unfortunately while
I needed
it last weekend, it didn't show up until Monday and I haven't had a
lot of
time to play with it.
The first thing that I noticed was that in manual focus, focusing
it felt
like it was turning a motor.
It also turns out that if the lens is in manual focus, and the
camera is in
auto focus, autofocus still works, it's just that the focus ring
won't turn
when the camera focuses.
Looking on the mount, when I manually focus, the drive gear for the
autofocus will turn.
The big problem is that this makes the lens unpleasant to manually
focus,
though it works fine, it feels bad. Is this the way it's supposed
to work?
Or do I have a bad copy of the lens?
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Larry Colen [email protected] sent from i4est
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