Gear Talk > What the Nerds Do

how to work with helicoids!

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richardHaw:
https://richardhaw.com/2016/04/10/repair-helicoids/

if anybody has anything to add, i can add it into the blog  :o :o :o

David H. Hartman:
Thank you for this guide. I have a 50/1.4 AIS that's been quick cleaned twice by a friend twice and is in need of a complete strip and relube. I think someone baked the lens in the trunk of a car and destroyed the original grease.

Dave

richardHaw:

--- Quote from: David H. Hartman on July 22, 2016, 23:59:51 ---Thank you for this guide. I have a 50/1.4 AIS that's been quick cleaned twice by a friend twice and is in need of a complete strip and relube. I think someone baked the lens in the trunk of a car and destroyed the original grease.

Dave

--- End quote ---

you are most welcome, Dave!

You may want to check the type of grease used. it has a tendency to gunk-up so it might not be suited for lens helicoids.  :o :o :o
some shops here cut corners and use grease that is meant for other stuff that is unsuitable for lenses.

some grease types that I know that works for lenses are red bike grease and the one used for fishing reels. ::) some of the shops use these but the best one is what Nikon itself uses - NPC grease (nippon petrochem).

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