--- Tom Reese <[EMAIL PROTECTED]> wrote: > the older non IS 600/4 series II lens (it does say > ultrasonic on the lens barrel but it is not > designated USM) > > the newer IS USM 600/4. > > are there focusing differences between the two > lenses? > > Is the IS version demonstrably sharper off a tripod?
Tom, Never looked at either. However, this may help: Non IS 600/4: http://www.photo.net/equipment/canon/600 IS 600/4: http://www.photo.net/equipment/canon/600-is Also on fred miramda's - some comments about the IS version: http://tinyurl.com/a8gns Finally, read the discussion on the IS pros & cons feature on luminous landscape's comparison between the 500/4 and the 600/4 IS: http://tinyurl.com/bo9ho Hope that helps. - Harman __________________________________________ Yahoo! DSL Something to write home about. Just $16.99/mo. or less. dsl.yahoo.com * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
