Tripod Screw Thread Size

[DinoS]

Hi

Do all tripod screws on plates fit all digital SLR,

I have one at the moment that fits my canon 400d is it the same thread size for a 5d, or does it change,

My Friend has a tripod and head with QR plate which fits his 5d and wondering wether it will fit my 400d.

Thanks

Mark

[Canon Bob]

Yep, 1/4" 20 TPI is standard.

Bob

[DinoS]

Is it TPI and not whitworth? as i read somewhere or is it the same thing.

[DiddyDave]

As far as I know that thread has been standard for over 100 years, so yes - it'll fit

As a kid I once found a Kodak camera from 1908 and guess what I tried with it? Yep, I stuck it on my tripod - same screw thread

DD

[ilikebowens]

1/4 inch is standard for 35mm and DSLR cameras, some medium format cameras and lens mounts use 3/8. If you have a 1/4 plate and you use something like a Bronica one day can get a 1/4 inch to 3/8 adaptor very cheaply.

[andrewc]

tpi just stands for threads per inch

[Canon Bob]

As Andrew stated, TPI is just "threads per inch".

Both UNC and Whitworth's 1/4" offerings are 20 TPI and the only difference is the angle that the teeth are cut at. In practice, this is of little consequence for camera usage.

Bob

[fracster]

Sorry for the slight hijack, but i`m after getting a threaded eyebolt this size to screw into the tripod mount of one of my lenses, can`t find one anywhere.Does anybody know where I could get one?

If you know what I mean,don`t think i`ve explained that too well........:suspect:

[CT]

As stated, 1/4" is commonplace for most smaller cameras, with 3/8" tripod sockets sometimes being being employed on larger format cameras.

This is the mounting foot on my 500mm f4 which provides bushes for both sizes. As stated, you can easily obtain adapters which convert 3/8" sockets to 1/4".


http://www.talkphotography.co.uk/gallery/data/1269/screw_size_1.jpg
You can also buy converters which screw over your existing tripod mounting screw to convert it to the larger sixe.

[CT]

Sorry for the slight hijack, but i`m after getting a threaded eyebolt this size to screw into the tripod mount of one of my lenses, can`t find one anywhere.Does anybody know where I could get one?

If you know what I mean,don`t think i`ve explained that too well........:suspect:

One of these?

http://www.morrisphoto.co.uk/ProductDetails~productID~4571.html

[fracster]

One of these?

http://www.morrisphoto.co.uk/ProductDetails~productID~4571.html

No mate, i`ll try and explain better. I want to be able to screw an eye into the lens tripod mount so that I can attach a camera strap to it, it will balance better when hung off my shoulder with the camera attached.

I`m still not sure i`ve explained that too well...............:thinking:

[CT]

Ah gotcha. Can't say I recall seeng anything similar.

[fracster]

Ah gotcha. Can't say I recall seeng anything similar.

I could be in for a bit of DIY then......:D

[CT]

LOL seems like a plan. :D

I do have an Arca type plate with a tripod screw which has one of those folding 'D' links for screwing in and out, but I don't think I'd like to hang a lot of weight off it.

[daftbugga]

http://www.screwfix.com/prods/19219/Bolts/Eye-Bolts/BZP-Range-Eye-Bolts-Steel-Self-Colour-Pk1-4-x-6

it doesnt state which thread it has but may be worth a try for a staggering 28 pence :shrug:

[jerry12953]

It's not really relevant to the question but one of the saddest days in my photographic life was arriving at Sossusvlei in Namibia, at dawn, after a journey from the UK lasting about 3 days, and getting the tripod and head out.

I had carried them separately for the journey. At some stage during that journey, the little 1/4 inch to 3/8 inch adaptor shown in CT's pic had gone missing. At that point I almost gave up.


Actually getting to Sossusvlei is not a journey, its a pilgrimage ....

[Galaxy66]

What you are looking for is a lifting eye bolt, something like this would look neat on top of the tripod, USA stockist but should be available somewhere here but may not be stainless although cadnium plated would look ok. http://item.express.ebay.com/Lifting-Eye-Bolt-316-Stainless-Steel-UNC-Thread-1-4-20_W0QQitemZ200061594846QQihZ010QQfromsoiZ1QQcmdZE xpressItem

I would try an industrial ironmonger the likes of which you would find on a trading estate supplying local industry, we have such a stockist here pm me if you want me to check if they have any.
You could also look for a "rawlbolt" with an eye for securing a line unscrew the eye bolt and the cut it to length, that is if the thread is ok.

[fracster]

Thanks for that, it seems exactly what I require.

I will let you know if I need your kind offer of assistance.Again, many thanks......:thumbs:

[fracster]

Ended up making one....:thumbs:

http://www.talkphotography.co.uk/gallery/data/500/Hook.jpg

1/4 whitworth bolt,welded the hook on, dressed the head down to 10mm, spring washer.