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The following opinions have been automatically translated with Google Translate.
Pros:Tropical conditions and constant f2.8, wide-angle and telephoto good, soft and pleasing bokeh, color rendering exceptionally unique character.
Cons:Loses quality at the edges, resistance to purple fringing is not optimal, of little use in external f2.8, first samples with known jams SDM, the diameter of the front lens of 77mm
Opinion:? the best standard zoom for the Pentax DA series. This does not mean that it could be improved though: apart from the chronic problem of the SDM (resolved in the most recent examples) is guilty of sharpness at the edges especially at full aperture. Its sweet spot is around f5.6, where it becomes very usable and offers excellent quality at both 20-40 mm (where for the better), but also acceptable to the extreme telephoto and wide angle. The color rendition is superb, and where the risolvenza is not extraordinary, it returns a three-dimensional feel very special, and offers a good level of contrast. The bokeh of this lens is very good, never pushy and usually nice and creamy. The price, however, does not justify the offer qualitative, counting the Tamron equivalent provides quality somewhat similar to lower price. Significant distortion, it offers a good resistance to flare, I instead found significant problems with purple fringing in areas of high contrast, easily corrected in post-production. The construction is excellent, Is a tank and allowing the sealing AW really extreme use. One particular zoom, which is worth taking used and free from uncertainties in the ultrasonic motor.
The following opinions have been automatically translated with Google Translate.
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