Thread Size on Tripods

dogdots · 20-08-2007, 16:37

I'm looking at tripods and noticed the thread size. Are all sizes the same? I tried finding out what the thread size is on my Rebel XTI and couldn't. Anyone know what size the Rebel XTI is?

orangepeel · 20-08-2007, 17:12

thought it was bog standard tbh.

danpen · 20-08-2007, 17:15

The mount in the bottom of the camera is usually 1/4" Whitworth Thread, this is therefore usually found on the head of a tripod.

The tripod head is often held onto the tripod with a 3/8" Whitworth Thread, these two sizes are very common among all camera kit and adaptors from one to the other are readily available.

cheers

Dan

**Markulous** · 20-08-2007, 17:16

35mm = 1/4"
Medium format = 3/8"

Usually!

So, yours is the "standard" 1/4" - as are most tripods and quick release plates (tho' some have adapters to take 3/8")

silkstone · 20-08-2007, 17:17

Most/all SLRs and compacts are threaded 1/4" UNC. Some larger (medium format and above) cameras are 3/8" UNC.

Some tripods have only a 1/4" screw, but others come with a 3/8" adapter.

EDIT/ There's an echo in 'ere.

P.S. UNC and Whitworth are just about identical - easier to get UNC nuts/bolts these days.

danpen · 20-08-2007, 17:19

You wait all day for a bus and then three come at once

cheers

Dan

**Markulous** · 20-08-2007, 17:21

Quote:

Originally Posted by silkstone

EDIT/ There's an echo in 'ere.

Quote:

Originally Posted by danpen

You wait all day for a bus and then three come at once

dogdots · 20-08-2007, 20:41

OK--I understand the 1/4 is the size of the hole in my camera that attaches to the tripod. the 3/8th is the attachment (maybe the quick release plate) that attaches to the tripod. Then you would attach the camera to the quick release plate that has a 1/4 bolt to attach it to---Right? Some of the Bogen tripods I'm looking at have a quick release plate. Some don't and just have the head with a 1/4 or 3/8th head. Now I have the Rebel XTI and I do plan down the line to get a 5D. I gotta say tho---that line is long

silkstone · 20-08-2007, 21:14

There's a 1/4" screw going through the quick release plate, and this screws into the camera. The QRP then clips into the tripod head. The head itself is usually threaded 3/8" to screw onto the tripod itself.

Some heads may not have a QRP, and these will just have a 1/4" or 3/8" screw on the head platform.

Screwy or what?

20-08-2007, 16:37	#1 (permalink)
dogdots Forum Regular Join Date: Apr 2007 Location: North Dakota Posts: 576	Thread Size on Tripods I'm looking at tripods and noticed the thread size. Are all sizes the same? I tried finding out what the thread size is on my Rebel XTI and couldn't. Anyone know what size the Rebel XTI is?

20-08-2007, 17:12	#2 (permalink)
orangepeel Feet under the table Join Date: Mar 2006 Location: Edinburgh Posts: 1,503	Re: Thread Size on Tripods thought it was bog standard tbh.

20-08-2007, 17:15	#3 (permalink)
danpen Forum Regular Join Date: Oct 2005 Location: West Yorkshire Posts: 875	Re: Thread Size on Tripods The mount in the bottom of the camera is usually 1/4" Whitworth Thread, this is therefore usually found on the head of a tripod. The tripod head is often held onto the tripod with a 3/8" Whitworth Thread, these two sizes are very common among all camera kit and adaptors from one to the other are readily available. cheers Dan

20-08-2007, 17:16	#4 (permalink)
Markulous Pixalo Crew Join Date: Jul 2006 Location: Peak District Posts: 9,691	Re: Thread Size on Tripods 35mm = 1/4" Medium format = 3/8" Usually! So, yours is the "standard" 1/4" - as are most tripods and quick release plates (tho' some have adapters to take 3/8")

20-08-2007, 17:17	#5 (permalink)
silkstone Feet under the table Join Date: Jan 2005 Location: Silkstone Common, Yorkshire, UK Posts: 3,415	Re: Thread Size on Tripods Most/all SLRs and compacts are threaded 1/4" UNC. Some larger (medium format and above) cameras are 3/8" UNC. Some tripods have only a 1/4" screw, but others come with a 3/8" adapter. EDIT/ There's an echo in 'ere. P.S. UNC and Whitworth are just about identical - easier to get UNC nuts/bolts these days.

20-08-2007, 17:19	#6 (permalink)
danpen Forum Regular Join Date: Oct 2005 Location: West Yorkshire Posts: 875	Re: Thread Size on Tripods You wait all day for a bus and then three come at once cheers Dan

20-08-2007, 20:41	#8 (permalink)
dogdots Forum Regular Join Date: Apr 2007 Location: North Dakota Posts: 576	Re: Thread Size on Tripods OK--I understand the 1/4 is the size of the hole in my camera that attaches to the tripod. the 3/8th is the attachment (maybe the quick release plate) that attaches to the tripod. Then you would attach the camera to the quick release plate that has a 1/4 bolt to attach it to---Right? Some of the Bogen tripods I'm looking at have a quick release plate. Some don't and just have the head with a 1/4 or 3/8th head. Now I have the Rebel XTI and I do plan down the line to get a 5D. I gotta say tho---that line is long

20-08-2007, 21:14	#9 (permalink)
silkstone Feet under the table Join Date: Jan 2005 Location: Silkstone Common, Yorkshire, UK Posts: 3,415	Re: Thread Size on Tripods There's a 1/4" screw going through the quick release plate, and this screws into the camera. The QRP then clips into the tripod head. The head itself is usually threaded 3/8" to screw onto the tripod itself. Some heads may not have a QRP, and these will just have a 1/4" or 3/8" screw on the head platform. Screwy or what?

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