| Sign in: |
| Members log in here with your user name and password to access the your admin page and other special features. |
|
|
|
|
|| SportsShooter.com: Member Message Board
400 f2.8L IS - Sticky collar bearing
Marcell van Aswegen, Photographer
 |
Pretoria | GP | South Africa | Posted: 6:02 PM on 06.25.09 |
->> Hi all, Im from South Africa and I just joined SS this week. Im looking forward meeting new photographers and learning from them through this cool website.
I have a problem with my 400's collar, it seems as if the bearing is starting to go. Its not gliding in a fluid motion as it used to. When using it on my monopod its difficult to rotate it with precision, its almost as if it skips a few cm's if you try an rotate it just a little. Any idea if this could be the bearing? Any idea if there is actually a bearing inside the closed collar? And id like to hear from someone who had similar problems before.
Thanx in advance |
|
Romeo Guzman, Photographer
|
Marcell van Aswegen, Photographer
|
Pretoria | GP | South Africa | Posted: 2:37 PM on 06.26.09 |
->> wow, thanx guys.
Sorry i should have searched the forum first. I read through all the threads and subthreads, and got all the info I need.
I'll open the collar, insspect the bearings, and order replacements, and give feedback.
Thanx for the help |
|
Richard Heathcote, Photographer
|
London | . | UK | Posted: 4:41 AM on 06.27.09 |
->> Marcell... I've done the bearing upgrade and it is fantastic, make sure you get exactly the right bearings, especially on the depth.
But, some versions of the 400mm 2.8IS do not have the bearing window under the silver plate on the collar.... just depends on when yours was made. |
|
Marcell van Aswegen, Photographer
|
Pretoria | GP | South Africa | Posted: 3:05 PM on 07.06.09 |
| ->> Thanx Richard, i havent been able to open up the nameplate, I cant find the correct screwdriver. I will go the the tool quip guys this week and source the correct tools to open, as i dont want to damage/strip the screws on a lens that expensive. Thanx for the info. I hope mine has a bearing collar, so that i can service it myself, because theres definitely something wrong. My lens is an early 2000 model i think |
|
Chris Proctor, Photographer
|
Crete | IL | USA | Posted: 4:34 PM on 07.06.09 |
| ->> Thanks for asking this questions Marcell, my 400 is doing the same thing. |
|
Corbey Dorsey, Photographer, Photo Editor
|
Cozad | NE | USA | Posted: 5:01 PM on 07.06.09 |
| ->> I just sent my 400 into Canon for the same thing. Mine was under warranty. Took about 5 days for return, works like a charm. It was sticking and not wanting to turn very well, plus making some noise. |
|
Clay Begrin, Photographer
 |
Petaluma | Ca | USA | Posted: 5:11 PM on 07.06.09 |
->> Does anyone know if the 300 2.8 IS has the bearings/collar assembly the same as the 400 and the bearing sizes etc. My 300 was great in the beginning and then like a lot of other folks, it has gotten to where it's not as smooth.
Thanks for any help.
Clay |
|
Romeo Guzman, Photographer
|
Orlando | FL | United States | Posted: 6:00 PM on 07.06.09 |
| ->> Marcell, as I noted above, I used this to get all the screws off even the name plate - http://www.micro-tools.com/store/item_detail.aspx?ItemCode=XPT-2-5 - if you can't find that try a #0 or #00 in a precision screw driver set, but be very careful as these do not have a blunt tip and may cause to strip out the top. |
|
Marcell van Aswegen, Photographer
|
Pretoria | GP | South Africa | Posted: 11:39 PM on 07.06.09 |
| ->> Thanx Romeo, Im just trying to source one in South Africa, if i cant find one, ill look at importing. appreciate the input, and advice |
|
Marcell van Aswegen, Photographer
|
Pretoria | GP | South Africa | Posted: 8:46 AM on 07.15.09 |
| ->> Hey guys, just an update, my lens seems to be the pre bearing model, Manf code UO so i suppose ive got no choice other than to buy a new collar.... |
|
Duane Burleson, Photographer
|
Sterling Heights | MI | USA | Posted: 11:28 AM on 07.15.09 |
->> Marcell,
If the early version 400/2.8 IS is like my 500/4 IS, if you remove the 6 screws on the ring just behind the collar, remove the ring and the collar slides off the lens. Canon uses a dry powder "lubricant" which can get gunked up and make the lens hard to rotate. I would think a good camera shop in your area could clean it out and replace the dry lubricant. YMMV
Duane |
|
Marcell van Aswegen, Photographer
|
Pretoria | GP | South Africa | Posted: 2:41 PM on 07.15.09 |
| ->> Thanx Duane, ill open it and relube with sry sillicone spray. |
|
Duane Burleson, Photographer
|
Sterling Heights | MI | USA | Posted: 6:52 PM on 07.15.09 |
->> Marcell,
I'm not sure the silicon spray will work. The powder is more like graphite powder, but it is gray in color, not messy like real graphite.
duane |
|
Marcell van Aswegen, Photographer
|
Pretoria | GP | South Africa | Posted: 5:11 AM on 07.16.09 |
| ->> Ok, ill find out from the Canon repair centre, Ive got a dry sillicone spray, not like the conventional sillicone lubricants, but ill be sure to check it out before using anything. |
|
Romeo Guzman, Photographer
|
Orlando | FL | United States | Posted: 8:12 AM on 07.16.09 |
->> Marcell,
I fixed my buddies 400 that did not have bearings in it, I used the Dupont dry teflon lube and it worked just fine, It comes out in a liquid form, I first cleaned the collar and the area covered by the collar with goo gone, then made sure that all the goo gone was all off with a nice clean towel, the dry teflon lube comes out wet so be careful when spraying it on the the lens and a little inside the collar let it dry a couple of minutes till it starts looking kinda waxy and then assemble, you should be good to go.
Romeo |
|
Marcell van Aswegen, Photographer
|
Pretoria | GP | South Africa | Posted: 10:26 AM on 07.16.09 |
->> Cool, yes thats what ive got dry teflon, sorry, thought it was silicone.
Thanx guys for all the help. |
|
Return to --> Message Board Main Index
|
