AFAIK, Nikon teles also feature focus limiter, the feature seems to be widely recognized as to be useful for sport, probaly some wildlife (birding for instance).
--- Ken Lin <[EMAIL PROTECTED]> wrote: > Good, I was wondering about this myself on all the reply postings, as > the > "focus limiter" switch makes more sense on longer focal length > lenses, my > 100-400 has it but none of the other EF short zoom lenses I own or > owned > (28-135, 20-35, or 17-40). > > On that note, is this "focus limiter" an EF only feature? i.e. I > wonder if > it is patented? (like the Nikon flash system that appeared to have > had a > strangle hold of being able to use flash to subject distance as one > the > parameters to perform so well) > > Ken __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
