Olympus M.Zuiko Digital 40-150 mm f/2.8 ED PRO
11. Summary
- solid and sealed casing,
- excellent image quality in the frame centre,
- good image quality on the edge of the frame,
- slight longitudinal chromatic aberration,
- low lateral chromatic aberration,
- lack of distortion-related problems at longer focal lengths,
- moderate astigmatism,
- low vignetting practically in the whole focal range,
- silent, quick and accurate autofocus.
Cons:
- RAW files distortion level at the 40 mm focal length should have been lower.
The Olympus M.Zuiko Digital 40–150 mm f/2.8 ED PRO is a worthy representative of the top-of-the-range series produced by Olympus. Its build quality is outstanding, it comes with an interesting focal range, provides an excellent image quality and overall it would be difficult to find any serious flaw in it. Even the distortion we included in our cons section is nothing serious because it can be easily corrected and the loss of field of view, connected to that correction, doesn’t matter in this class of telezooms.
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If I really wanted to find a good reason to complain I would carp about not the lens itself but its performance with the teleconverter attached. The newest professional Canon and Nikon telezoom lenses, launched lately on the marked are better than their predecessors because their cooperation with teleconverters is flawless. The performance of the Olympus PRO 40-150 mm is not bad but it reminds us rather the older telezoom devices produced by the competition.
Still it would be difficult to end this test with a negative undertone because the lens does deserve something better. It is completely worth recommending and every advanced Micro 4/3 user should be happy such a great tool is available in the Olympus line-up.
