Archived posting to the Leica Users Group, 2002/05/10
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 06:53 AM 5/10/02 -0400, you wrote: >Hi Karina, if you mean US standard then yes. I didn't think anybody was >still making anything in the old German(European) size. Tripod thread sizes are one of the first examples of international standardizations -- in the 1880's, at an otherwise unremarkable photo meeting of some sort in Brussels, the delegates voted to adopt 3/8" by 20 tpi and 1/4" by 20 tpi as the two standard tripod threads. The original standard specified Whitworth threads but this certainly was being generally ignored within forty years and was completely dead by the Second World War. There is still a fair bit of gear which is made in the larger of the two sizes, especially LF and the heavier MF stuff. Marc msmall@infi.net FAX: +276/343-7315 Cha robh bąs fir gun ghrąs fir! - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html