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The following opinions have been automatically translated with Google Translate.
Opinion:Purchased in a kit with the K70, it is an honest zoom that does its job; I did not detect flare or chromatic aberrations and, especially in wide angle, the yield is more than satisfactory, including the absence of distortion; paintings on the side, the situation is different and there is a certain softness to the edges; as already said, The AF is very fast and precise, the height of the best competitors.
Pros:Extreme practicality, Af immediate, good sharpness general, fabulous colors, dust-proof and water.
Cons:Less sharp edges.
Opinion:The use for over a year on the Pentax K5IIs and, practically, not the detachment ever. This combination Pentax camera + optics have dimensions truly contained and is proof of any weather and ecosystem. Great the range of focal distance, excellent colors, with the K5IIs, without AA filter, the sharpness is excellent and good in the center to the edges, AF without any problem and, above all, extreme practicality, almost to the level of a mirrorless, wearing everywhere.
user44306
sent on May 03, 2015
Pros:WR, compactness, good sharpness in the center, af lightning even in low light, colors
Cons:Loss of quality at the edges, chromatic aberrations
Opinion:It's amazing how this is 18-135 compact than its counterparts of other brands! rnL'af is probably the fastest speed as Pentax is that as precision, also with very little light, despite the low minimum opening! rnGli only problems are the loss of quality at the edges especially at room temperature and at longer focal lengths and aberrations color (easily corrected in post) .rnLa color rendering is excellent! You can fall in love with the colors that this lens brings out!
Cons:A few months ago the price, but now 400 euro is to be taken!
Opinion:Are two years I use this lens (with purchased Pentax K5). In these two years I have purchased various optical but eventually the 18-135 I always carry with me.rnA I think the sharpness is notable for being a zoom (I also have a Sigma 18-270 that no has nothing to do) .rnE 'a little' dim, but it always depends on what you want to do: the focal length allows you to walk around with one lens and just a night stand or a wall:-) to lower the ISO; the Pentax K5 still allows you to shoot at high ISO without a great loss of definition then this is definitely needed if you have the need to travel leggeri.rnTrovo that this lens for people like me who is not a professional is essential and the best choice between all the various zoom on the market for Pentax low / medium costo.rn
Opinion:Lens versatile, fast and quiet AF. The excellent focal length range (from wide angle to medium telephoto) allows you to not remove the lens from the camera for a long time. There I am fine, exceptional clarity. As a beginner I can not help but recommend it. It 'a lens to avere.rnSe it is at a reasonable price, must be purchased at all.
Pros:Auto focus, excursion Focal, Sharp also at the center at full aperture - Tropicalization
Cons:Sharpness wide angle side, price
Opinion:It 'an incredibly versatile lens and excellent performance even over the 20mm wide open. Given its zoom range and overall quality that offers you more inclined to not detach from the camera. Very quiet and the af. Limit pretty obvious lack of clarity and the overall yield on the wide-angle zoom but you know they are so broad compromises with which to contend. With what it costs you could possibly do more. Excellent build quality.
Pros:Quick AF - Focal Excursion - Sharp in the center even wide open - Tropicalization
Cons:Poor sharpness at the edges at 18mm is dramatic.
Opinion:I wrote a review of this lens on my website, in testing situations every day and with a sheet of newspaper to actually see what was the sharpness. The result is disappointing, alas, the edges also closing a lot. Too bad, because the center is a crystal-clear lens. The rest here: http://www.iltexano.com/portale/testing-pentax-smc-da-18-135mm-f35-56-ed-al-if-wr.html