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Help needed: What is the thread size of this Ikelite strobe adapter


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#1 Jock

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Posted 18 July 2014 - 09:56 AM

Hi,

The adapter on the attached pic is for using an Ikelite strobe with ULCS and similar strobe arms. I want to use it in a DIY project and need a screw nut for it.

All I know is that the thread is definitively not metric... Could someone please help and provide the specifications (like UNC 1/2")? Thanks!

Jock

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Edited by Jock, 18 July 2014 - 09:59 AM.

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Olympus OM-D EM5, Inon Z240 and Nikonos RS, Ikelite SS200


#2 bvanant

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Posted 18 July 2014 - 12:23 PM

My guess is 1/4-20 but I don't know what strobe this is for. 

Bill


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#3 Jock

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Posted 18 July 2014 - 01:50 PM

Bill,

 

thanks for your answer - it is for a SS200 strobe (the old workhorse...)

 

Jock

 

Edit:

Just measured - the outer diameter is 9.5mm, which is 0.374", so 1/4" will be too small.


Edited by Jock, 18 July 2014 - 02:05 PM.

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Olympus OM-D EM5, Inon Z240 and Nikonos RS, Ikelite SS200


#4 bvanant

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Posted 19 July 2014 - 10:38 AM

In that case it is a 3/8 16 the threads look to be too far apart to be the 3/8-24.


Bill
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#5 Tom_Kline

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Posted 19 July 2014 - 01:46 PM

3/8 is also the larger sized standard tripod screw size - you might have a tripod head or camera with a female thread to test it on. Since you are in Germany, going to a hardware store to match may not be an option like it is in the US (which is what I have done with underwater gizmos for DIY projects) but maybe try automobile parts stores catering to US cars (if such exists).


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#6 Jock

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Posted 19 July 2014 - 10:38 PM

@ Bill and Tom,

 

thanks! There are a few specialized hardware stores around Cologne, but instead of trying to find it there (stainless doesn't make it easier), I searched on ebay Germany and found it.

 

Life could be so easy if you US guys wouldn't be so stubborn and finally change to... METRIC!  :evilgrin:

 

Jock


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#7 tdpriest

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Posted 20 July 2014 - 06:13 AM

 

Life could be so easy if you US guys wouldn't be so stubborn...

 

 

Look at the Ikelite advert: American stubbornness is their raison d'être...  :diablo:



#8 bvanant

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Posted 21 July 2014 - 12:00 PM

In our lab we are happily metric, in the manufacturing side of the business everything is "English" (even though England is mostly metric, I think). 
As for American Stubbornness; I guess I plead guilty (still diving and still trying to get "amazing" photos) but maybe stubbornness can't make up for artistic talent.

Bill


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#9 Jock

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Posted 15 August 2014 - 12:23 AM

Feedback - just in case anyone else is searching for this information: Bill was right, the thread is 3/8-16. 

Thanks again,

Jock

 

@Bill: I am one step up the Zen ladder - The journey is the reward, not the artistic picture!!!! :D


---
http://www.dive-images.de
---

Olympus OM-D EM5, Inon Z240 and Nikonos RS, Ikelite SS200