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| 200-400 mm Tripod collar - Page 1 | |
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| Posted: Wed Oct 2nd, 2013 10:02 |
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1st Post |
Ed Matusik
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The tripod collar on my 200-400 will not allow the lens body to rotate when the locking screw is fully loosend. Has anyone had a similar problem, and is there a self-fix for this? I really don't want to send the lens to a nikon repair facility if I don't have to. I did contact a nikon repair center in NJ, and the person responding didn't even know what a tripod collar was. - EdM
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| Posted: Wed Oct 2nd, 2013 12:01 |
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2nd Post |
jk
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Well dont send anything to NJ for repair! That is so ignorant by that person. Did they not even offer to find out and to call back ? You might do better to phone or go to a decent Nikon dealer who should have a unit in stock.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Thu Oct 3rd, 2013 09:38 |
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3rd Post |
jk
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Been looking at my long telephotos. I think that all the Nikon ones behave the same and apparently the 300mm AFS and 200-400 AFS are meant to have similar behaviours. My 300mm f2.8 AFS the tripod collar will rotate when fully unscrewed it acts more like a clutch or friction control as depending on how tightly you screw it up you can have the ring completely locked or turning under some or no friction.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Thu Oct 3rd, 2013 10:04 |
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4th Post |
Ed Matusik
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Mine doesn't move at all with the friction lock fully open. I even tried using a rubber strap wrench (gently of course) to get it to turn, but it won't budge. I'm very hesitant to try using a lightweight lubricant as I'm not sure the materials used wouldn't be partially liquified.
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| Posted: Thu Oct 3rd, 2013 10:32 |
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5th Post |
Robert
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Has it been NEAR salt water Ed? If so it could be expansive corrosion inside the collar. Aluminium is very prone to salt air corrosion. I would try tapping the collar gently and trying to turn the collar with the friction lock fully loosened. Does the collar remove? I think some do some don't.
____________________ Robert. |
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| Posted: Thu Oct 3rd, 2013 13:23 |
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6th Post |
Ed Matusik
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Robert wrote:Has it been NEAR salt water Ed? As I mentioned in an earlier reply, I tried using a strap wrench to turn the barrel after fully releasing the friction lock screw. I could move it slightly, but not to the extent it should move. It was never exposed (at least by me) to a corrosive atmosphere. Maybe I'll try tapping on the screw in the open position to see if it's just stuck somehow.
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| Posted: Thu Oct 3rd, 2013 16:32 |
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7th Post |
Ed Matusik
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Robert & JK. I contacted Nikonusa and their telephone service rep recommended that I not try to free the collar on my own. I tend to agree with him and will send the unit to Nikon repair and let them free it up. I don't think I'll tamper with a $7,000 lens.
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| Posted: Thu Oct 3rd, 2013 16:57 |
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8th Post |
Robert
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No sense of adventure Ed!!!  But probably very sensible... Good luck with it. $7,000 WOW!
____________________ Robert. |
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| Posted: Fri Oct 4th, 2013 03:40 |
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9th Post |
jk
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Ed Matusik wrote: Robert & JK. I contacted Nikonusa and their telephone service I agree. I would be very loathe to do this. I think the prudent thing would be to send back to Nikon for assessment and repair. I have searched my archives for a Nikon 200-400 repair manual and dont have a copy paper or electronic else I would be able to comment more.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Fri Oct 4th, 2013 10:30 |
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10th Post |
Ed Matusik
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Right Robert, $6,749.00 to be exact. The manual for the lens states that you can remove the collar by fully loosening the screw then removing the set-screw holding the larger screw in place, but if I damage anything, the repair costs will go up accordingly. So - I'll be sending the unit to Nikon repair.
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| This is topic ID = 717 Current time is 08:48 | Page: 1 2 3 | |
| Nikon DSLR Forums > Camera and Lens Forums > Lenses > 200-400 mm Tripod collar | Top | |
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