Dave. Somewere in this mess, i have a Nikon ring that was for the 80-200 F2.8.
I'll try and find it and see what the dimensions are. I don't use it anyway and maybe it may be of some use to you. Dave On 11/3/07, David Savage <[EMAIL PROTECTED]> wrote: > G'day All, > > As we all know one of the minor bad points of this lens, compared to > the F* version, is it's lack of tripod mounting collar . > > I'm a bit of a tinkerer, and I've roughly sketched up a collar design > with a thought to making one when I have some time. However, I was > recently doing some wandering around eBay when I noticed several cheap > tripod mount collars for use with various Canon lenses: > > <http://cgi.ebay.com.au/Tripod-Mount-Ring-for-Canon-70-200mm-300-400mm-Lens-L7G_W0QQitemZ130167704305QQihZ003QQcategoryZ29982QQssPageNameZWDVWQQrdZ1QQcmdZViewItem> > <http://preview.tinyurl.com/2bueks> > > These units seem to lack the ability to rotate the lens from portrait > to landscape within the ring. Not really what I wanted. > > This got me Googling though, & I found some info on the genuine Canon > Tripod Mount Ring A II, for use with the EF 70-200 IS f4L , which has > this function: > > <http://www.the-digital-picture.com/Reviews/Canon-Tripod-Mount-Ring-A-II-Review.aspx> > <http://preview.tinyurl.com/2gbbyx> > > Now from what I've managed to find, the inside diameter of this ring > is ~66mm. As luck would have it, the outside diameter of the FA* 300mm > f4.5 barrel is 66mm (Although the lens name plate does project out a > couple of millimetres) > > So my question: Has anyone here ever tried to use these two pieces of > kit together? Can any of our Canon owners confirm that it actually > works as described. > > Cheers & TIA, > > Dave > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- Equine Photography www.caughtinmotion.com http://brooksinthecountry.blogspot.com/ Ontario Canada -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
