David.... if you not mind answering some questions about repairing the 560
f6.8Telyt:
I have a lens that I loaned to a friend. He ran the focus tube off the rack (
rack and pinion mechanism). I have been chicken to fix it. What is involved
in taking the mechanism apart for resetting into the correct position?
I have the Visoflex M version.
Thanks in advanceFrank Filippone
-----Original Message-----
From: David Young <dsy@xxxxxxxxxxxxx>
To: leicareflex <leicareflex@xxxxxxxxxxxxx>
Sent: Fri, Dec 21, 2018 11:37 am
Subject: [LRflex] Re: Asking For Advice On Lubricating A Leica Telyt 560 / 6.8
No es problema, Peter.
If done properly, the Telyt's should only need lubrication once every 40 years
or so. The biggest potential problem with the Telyt's is over lubrication.
Best regards,
David.
Thanks, David! I knew that the mention of WD would get somebody's------
attention. :) Yes, it's an amazingly simple design, like you said; and I
found the screws that you mentioned. So, when I get some white grease
later this evening I'll give it a go. Thanks very much. The f-stop of 32
has me intrigued. I have never had a lens that exceeded f-22 before.
Does this mean I'm half way to being part of the F64 Club? Yeah, right -
in my dreams!
Best regards,
Peter Stevens
On Dec 21, 2018, at 3:33 PM, David Young <dsy@xxxxxxxxxxxxx> wrote:
Peter! Do NOT, repeat, DO NOT give it any WD-40!!!
I had the same problem with my 400/6.8, when I first got it nearly 20
years ago. (Unless you've got the pistol grip 5.6 version, the
focusing tube is the same on both.)
The lens is easy to disassemble. Remove the lens head and you can see
inside the tube, where you'll find that the focusing runs on 3 chrome
plated rails.
Clean the old grease off the rails using a clean, soft cloth moistened
with Ronsonol Lighter Fluid. It's better than gas for cleaning old
oil, easier to manage in the house, and leaves no residue.
I then lubricate the rails with the tiniest amount of white grease. I
used a now 50 year old tin of Valvoline X-All, but any light, white
grease should do. I put a tiny (and I do mean tiny!) amount on my
finger, dabbed it on the rails and ran the rails back & forth 50 to 75
times, to spread it out evenly. Remove any excess.
That as it! It was still working perfectly when I sold it last
February.
Have fun with it. It's a nice piece of glass! And, I want to see
your results!
David.
------
Good afternoon. Could I please ask for some suggestions as to what
to use to lubricate the slide zoom on a Leica Telyt 560mm / 6.8? I
have been given the lens today by an elderly friend who has not used
the lens in decades. The glass is clear and bright and the diaphram
works fine; but the zoom slide is a little stiff. I have been gently
sliding it repeatedly, but it seems to need a touch more than
physical manipulation. Any suggestion would be greatly appreciated,
as I'm holding myself back from the handy dandy misting of WD40.
Thank you.
Bes regards,
Peter Stevens
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