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camera mount screw thread specifications?

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Old Jan 19, 2008, 12:18 pm
  #1  
cpx
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camera mount screw thread specifications?

I'm thinking about creating my own mount for a camera and I was wondering
if anybody knows the thread specifications for the screw that mounts the
camera on a tripod or a mono-pod.

Just wondering if I can get similar screws in a general hardware or auto store.

Thanks!
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Old Jan 19, 2008, 12:22 pm
  #2  
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Never mind.. I think I found the answer

http://www.camerahacker.com/build/Bi...ra_Mount.shtml

Something like 1/4" - 20 could work wonders.

http://www.gewinde-normen.de/en/camera-mount.html
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Old Jan 19, 2008, 1:56 pm
  #3  
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Yeah...it is a 1/4-20 and they are readily available everywhere.

If you're ever unsure the thread size of a nut or a bolt just take it into any decent hardware store, go over to the bulk fastener section and try different sizes of the oppisite gender (ie bolts in the nut/tripod socket you have) until you find the correct one. I had to do this to find the bolt size for mounting a front license plate when I took my car from Florida (no front plates) to NY and I didn't have the bolts for the front mounts anymore.

S.
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Old Jan 19, 2008, 2:45 pm
  #4  
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Originally Posted by sbm12
Yeah...it is a 1/4-20 and they are readily available everywhere.
Thanks!

On several occasion, I feel I need something better than just a
standard tripod/monopod and can't find something off the
shelf that works just right.. and does not cost an arm and a leg..

I think with some standard 1/4-20 screws, wing nuts, washers and clamps.. I
can mount a camera anywhere for under $5-10.
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Old Jan 20, 2008, 9:08 am
  #5  
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One thing to be careful of when using a homemade mount is the general desire to tighten the bolt all the way down on the camera. If you're not careful you can end up pushing the bolt too far and having it bottom out in the tripod mount on the camera. It shouldn't really be a problem, but if you keep pushing too hard to deep you can damage the mount in the camera.

S.
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Old Jan 20, 2008, 9:45 am
  #6  
cpx
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Yes.. that was my first concern... and thats the reason behind finding the
right thread and the size before even trying it on the camera.

I'm thinking about limiting the screw length by jamming two bolts and
adding a couple of plastic washers on the top to prevent scratches on the
camera.

Also the screws I am thinking should be well finished on the edge.
(similar to the ones that come with the tripods.)
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Old Jan 24, 2008, 10:04 pm
  #7  
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This thread just reminded me to fix my monopod - I have a Giottos 6-footer that got the attached head snapped off it by Port of Ft. Lauderdale luggage guys last year. I need to have the cracked piece drilled out or find a new top section to the monopod, but I can't find a Giottos website that's in English.
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Old Jan 24, 2008, 10:22 pm
  #8  
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Uh, why not use a setscrew?
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Old Jan 25, 2008, 5:44 am
  #9  
cpx
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Originally Posted by cj001f
Uh, why not use a setscrew?
Not a bad idea, I looked at a few of those past weekend. but they were
too long for my need (at home depot)

And some of the others I saw had poor threading.

will hunt some more specialized hardware stores this weekend if I get a chance.


thanks!
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Old Jan 25, 2008, 7:52 am
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Originally Posted by sbm12
One thing to be careful of when using a homemade mount is the general desire to tighten the bolt all the way down on the camera. If you're not careful you can end up pushing the bolt too far and having it bottom out in the tripod mount on the camera. It shouldn't really be a problem, but if you keep pushing too hard to deep you can damage the mount in the camera.

S.
What you should do is what a lot of tripod mounts have:

* The 1/4-20 is screwed in to a suitable depth
* A large nut (typically with a rubber base) is tightened against the bottom of the mounting plate to prevent the bolt from separating.

This way, you don't have to actually screw the bolt all the way in to the bottom of the camera mount.

That's how the quick-release plate I use on my camera is configured.
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