Yes, it differs from my close to perfect example. Zoom ring should move
smoothly from 35-70 with very little lash as you change direction, i.e.,
you shouldn't notice it unless you carefully look for it. Same thing
with the movement of the front, maybe .5 mm movement on mine. From my
reading of the list, it seems likely that the problem may be nothing
more than loose set screws that attach the ring to the underlying mechanism.
Moose
james@xxxxxxxxxxxxx wrote:
<>
The first point is that the zoom ring stops about 2 or 3mm before the 70
mark reaches the white indicator line. Secondly, moving the zoom ring
towards the 50 mark starts to push the front elements out, but if I
reverse the direction back towards 70 there's about 2mm of movement of the
ring before the front elements start to move back in, as if there is some
free play in the mechanism before it starts to do anything. Finally, with
the lens at its most compact (focus infinity, zoom 70) I can move the
front element in and out by about 1mm by holding the lens cap and applying
gentle pressure. <>
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