Handling
The 40-150mm f/4.0-5.6 lens feels very well balanced on the E-420 body and its size and weight are a good match to the E-420's compact size. Moving through the zoom range requires roughly a third of a turn and we found the markings on the lens barrel corresponded pretty closely with the actual focal length settings. The front of the lens extends without rotating by approximately 58 mm when you zoom from 40mm to 150mm.
The focusing ring appears to have infinite movement and it was difficult to estimate how much it had to be turned to go from the closest focus to infinity. However, since it can only be used when manual focusing is set in the camera, we feel most users will stick with autofocusing most of the time.
Autofocusing was generally fast and accurate with the supplied lens and the lens covered the full autofocus range in less than a second. We noticed some hunting in low light conditions but none with normal light levels. As expected, hunting was more common with longer focal length settings. We found no tendency for the lens to 'creep' when it was carried pointing downwards.
Margaret Brown
more : photoreview
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