I did tests with the 300/4 IS and the 300/2.8 IS between my new 2xII and my old beat up 2x and the improvement was significant and easily visible on D30 test images, though the difference was small. However, it probably depends on the lens you are using with it.
Mike John Lovda wrote: > > This probably was asked already in the past. Has > anyone done any serious comparison tests to see how > significant the improvement (if any) the EF 2X > Extender version II is over the version I? The 1.4X > changes strictly involved gasketing and internal > anti-reflection flocking. The 2X supposedly has a new > optical design. > > One interesting thing I noticed is how it is now > impossible to find a cross-section, optical diagram of > the vI model once it was officially discontinued. > > John Lovda > -- Michael Shupe M.J.Shupe Photography Michigan Tech University www.northernlightsgallery.com * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
