Carlos Royo mused: > > Joe Wilensky escribi�: > > But are any of them power zoom lenses? I think most of the IF lenses > > replaced older power zoom designs. > > The FA* 80-200 2.8 is both power zoom and IF. And I think the awesome > 250-600 mm. is also both.
That is correct (although neither lens changes length when zooming).
