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Message: <blockquote data-quote="Musoman" data-source="post: 1674411" data-attributes="member: 80278">Ta Paul I did a thorough search on Ebay to what was around re. Ext Tubes, and they're all the cheap ( £6/7/8 Chinese , HK ) type. Although only one or two sellers stated that their tubes were threaded, since they were all the same price from all sellers , whether in China or HK, i guess they were all threaded.Apart from one set.  Kenko - sadly at £84 for a set of 3 + post of £12 ( i think it was in the USA ) there's no way i'm going to pay that sort of money for a simple tube. A Kenko TC yes , but not a tube.Appreciate the news on the DSLR TC - i didnt know they acted differently from Barlows.If the required tube to get down to a reasonable close focus can be shorter, thats fine by me. Taping a DSLR TC is no problemAS for the AF confirm chip - i dont know whether this reports or not. I guess taping the correct pins  would sort it, if it was reporting.:t:</blockquote>