| Author |
Message |
    
Paul Glombick
Rating: N/A
Votes: 0 (Vote!) | | Posted on Sunday, February 26, 2006 - 02:49 pm: | 
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Hi, I bought a lens off ebay and while most of my experiences have been positive, this one turned out to be less than advertised. I should have sent it back, but decided to keep it because it is nice cosmetically.
The focussing is smooth, but has a fair amount of resistence. I have no experience fixing lenses or cameras. Is this something I can fix myself or should I get it done professionally? Also, if I get it done by someone else, what would it cost? I have to make a decision whether the price justifies keeping the lens versus selling it.
Thank you
PG |
P Laskey
Rating: N/A
Votes: 0 (Vote!) | | Posted on Monday, February 27, 2006 - 07:23 am: |
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I would guess the grease in the helical has dried out or stiffened. Rectifying this would involve stripping the focus mount. If it works okay it's better to leave it as it is.
PL |
Stuart Willis
Rating: N/A
Votes: 0 (Vote!) | | Posted on Monday, February 27, 2006 - 05:19 pm: |
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Given that you say you have no experience with cameras or lenses you would be advised to entrust the lens to someone competent. There are two helix' of course. A coarse and a fine. It is usually the fine helix which gunks due to dried out lube.
A smart Pro Techie could probably fix the issue in minutes. A microdot or two of mineral watch oil on that helix and vigorous exercising of such - will usully to the trick.
Tinkerers inevitably apply too much oil - which then seeps on to the iris blades. The wrong oil will also exude vapours to eventually mist the lens optics internal surfaces.
So absolutely - get it fixed by a Pro Techie who knows what he is doing. |
Howie
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, February 28, 2006 - 12:54 pm: |
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Service centers where I've inquired about this exact same issue won't touch a Nikkor lens for less than $85. It's a shame there isn't more info online to help with the disassembly and CLA of these older lenses. |
