Hi, Patrick,
I really do not care: I've got the lens really cheap to experiment freely
with it... And it has another problems also. Because of this I do not want
to spend money on professional service - I prefer to buy "ex" or "like new"
specimen next time (and maybe autofocus one ;-)... Definitely I tried to
minimize quantity of oil in order to exclude its infiltration onto glass
surfaces or aperture blades...
By the way, this zoom (SMC-A 70-210 F4) is really very nice piece of glass
(and metal! ;o) Only two main drawbacks that bother me are:
1. Rotating front element - with long lenses it's nice to use polarizer!
2. A little bit huge (booth in weight and dimensions) - not so well
balances with small M, A -series Pentax bodies (I have Super A(Program)).
Also it's my favorite focal length range and I use it as my standard lens
that, by default, always on body ;o)
Thanks, Vlad.
----- Original Message -----
From: "Patrick White" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, May 22, 2001 00:19
Subject: Re: My "new" stiff zoom...
>
> Vlad L. Loukiantchenko writes:
> > At the same time I tried to fix it: I removed the rubber sleeve on
> >zoom/focus collar and put a few drops of oil somewhere on rotating joint,
> >visible through rides for nylon washers (it's hard to explain with my
> >English where exactly, but my mechanical engineer's scent guided me ;-)
and
> >then spent some time (near 2 hours!) turning focusing collar back and
> >forward, periodically reapplying lubrication... I can't say it is smooth
as
> >new now but definitely not so stiff as was before...
>
> Vlad,
> I'd be interested in hearing how the lens fares over time. Oiling it like
> you did is pretty much one of the major things all the camera repair stuff
> I've read cautions against doing.
>
-
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