Bavaricus
Established
Hi folks,
what do you use to relube your Jupiters? Vaseline might be bad idea isn't it?
what do you use to relube your Jupiters? Vaseline might be bad idea isn't it?
Peter_Jones
Well-known
White lithium grease from bicycle shops I find to be fine and will not "creep"
Spyderman
Well-known
I second that - white lithium grease.
TVphotog
Television Grunt
All for white lithium grease say AYE!!!
Kim Coxon
Moderator
I use a graphite grease for the diapraghm ring as it gives a more positive feel. For the main helix, I use a red fully synthetic grease. I find the white lithium grease just a bit too viscous and the lighter grease gives more control especially on the J9. The important thing is that the grease doesn't "creep".
Kim
Kim
Ulrich Witte
Member
Bavaricus said:Hi folks,
what do you use to relube your Jupiters? Vaseline might be bad idea isn't it?
Hello Reiner,
I also use white lithium grease from a bicycle shop. Look for "Atlantic Kugellagerfett"
Ulrich
Spyderman
Well-known
Re: Kim's right about Jupiter-9. This lens has more helixes, and it is better to use something "thinner" than the white grease. Therefore when I work with this lens I use some very light fully synthetic grease and the focussing is butter smooth.
Bavaricus
Established
Thanks a lot for your advice!
Kim Coxon
Moderator
I don't know if you have found it but you may find some of the information on my website useful.
http://pentax-manuals.com/repairs.htm
Kim
http://pentax-manuals.com/repairs.htm
Kim
Bavaricus said:Thanks a lot for your advice!
nikola
Well-known
I succeeded in finding lithium grease locally... but didn't jet buy it... it's MICHELIN Pink Grease - fine grease... will this work?
laptoprob
back to basics
I only had to clean and lube the helixes of my otherwise perfect J9. I used ball-bearing grease and managed to put the puzzle back together again. Focus remains a little stiff at one spot though, but that may be a tiny local damage somewhere inside.
After that I sold my fat Tele-Elmarit. That's how much I love the J9.
After that I sold my fat Tele-Elmarit. That's how much I love the J9.
V
varjag
Guest
I've used petrol-free, silicon-based industrial greases for my lenses. White lithium grease and graphite are also good choice, although graphite can get more viscous at very low temp.
ZorkiKat
ЗоркийК&
The helicals of many fsu lenses require heavier grease. Light greases may make the helicals move more smoothly, but can also cause them to slip and lose accuracy. This is an issue with lenses which use multiple helicoids. Many LTM RF J-9 for example, make focusing errors with thinner grease. Automotive axle grease mimics appears to have the qualities of the original grease used.
ghemon
Newbie
Hi, I use for the main helix aeroshell grease 7 and it's great.

The best choice is the Isoflex Topas L32 used by Ferrari Concorde and Hasselblad/Zeiss lenses, but it's too expensive.

Regards
The best choice is the Isoflex Topas L32 used by Ferrari Concorde and Hasselblad/Zeiss lenses, but it's too expensive.
Regards
V
varjag
Guest
I was looking for this one specifically: can it be ordered online anywhere, in consumer amounts?ghemon said:Hi, I use for the main helix aeroshell grease 7 and it's great.![]()
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