"Peter M. C. Choy" <pmcc_2000@xxxxxxxxx> wrote: > Can anyone confirm that the 3-ring extension tube set for > Leicaflex can be used on the 400mm/f6.8 Telyt? I'd like > to try reducing minimum focus and increase image area > for long-distance close-ups of small critters. Yes. It works better than the macro-adapter-R variants (14198, 14256, 14299) because it doesn't have a constricted throat. The macro adapter(s) will cause some vignetting. Doug Herr Birdman of Sacramento http://www.wildlightphoto.com ------ Unsubscribe or change to/from Digest Mode at: http://www3.telus.net/~telyt/lrflex.htm Archives are at: www.freelists.org/archives/leicareflex/