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The following opinions have been automatically translated with Google Translate.
Pros:All do wr .. HD !!! Min. 16mm distortion is clear from f4 to 85mm from f6 .. not bad x an all done, bright but still authentic colors
Cons:Unusual filter diameter, somewhat bulky, no focus distance for night
Opinion:I have to say that I did not feel the need for having the 18-135 wr and sigma 17-50 f2.8 years ago but then a friend if it was found in kit and doing only macros and portraits ..gliel'ho I took it practically new to 420 € and for that figure it's great !!!!! I mostly use Fixed Fixed Optics and Zoom on K5 and K5ii both for photoreport and landscape as well as still-life and I have to say that this as ALL DOES is really worth it (it would have been 100mm at f5.6 and 16mm at f2.8 i would have given it The double but I doubt it would have been exactly the same sharpness as this)
Pros:Very crisp, tropicalized, great color rendering, focal length hovering
Cons:Lack of a zoom lock: Attached to the shoulder strap tends to "stretch" easily.
Opinion:The optic I use most: an excellent handyman with excellent rendition, more tropicalized ... perfect in 90% of the occasions, always attached to my K-S2 in all my travels and camera releases in general. The f / 2.8 status would have been almost perfect, but we were talking about another lens and other costs, which in this case are not indifferent.
Opinion:At first I replaced the kit lens with the Sigma 17-70 and finally I landed at 16-85. In all these steps there was always a miglioramento.rnApprezzo this lens the nice zoom range which allows me to use it a lot for example, when I go on vacation as the main lens and tuttofare.rnMi like the sense of quality that expresses and I like Color and sharpness that my foto.rnAvendo tropicalized machine and matching this objective came out shooting in rainy days, leaving the car on the tripod without fear. Testing riuscito.rnChe mean? the buy back
Cons:He has constant brightness, color subdued compared to the classic Pentax is also soft af 18 !, reduced price when compared to the quality. In a comparison with 18 to 55 kits I can not say who the check.
Opinion:nice goal to see and touch, focal lengths in my opinion perfect for those traveling with one goal. rnAimè sharpness is embarrassing, goodbye details with this lens, of ks2 seems to have an AA filter active even at f20 opening, for sure it is not a lama.rnPremesso that I like the detail, natural color or in a bit brighter and I hate to change the time settings and diaphragms if I switch from 20mm to 70mm in a few secondi.rnPer € 600 and more, I definitely expected something better, at least one constant f4. What he wanted? 20 grams more of the lens? Definitely disappointed in the photographic performance, I rate the good costruzione.rnTornerò 16 16 50 45. Or star.rnNuovo expected to cost at least half for what offre.rnMi was informed by a member of Juza, that he also encountered the problem sharpness and that has solved by sending the target in assistance. It seems that suffers from a problem of af or maf engine. I l I returned after a few days, for my part I do not know if the problem is solvebile.rn
Pros:Construction / Sharpness the TOP center, edges, external / Colour Rendering Pentax TOP / 0 Flare and unprecedented resistance AC / Tropicalised / Focal wide-angle and tele / Bokeh by starry
Cons:Had been constant f2.8 as well as being one star, it would be the best of the best
Opinion:After two months of testing and pictures, I can say that Pentax has produced not one of the best goals for APSC but the BEST! Compared with objectives of the upper class as the Pentax * 16-50 f2.8, Sigma 18-35 f1.8, superior sharpness in both, resistance to flare and ac over two mentioned above and a zoom range from handyman. the objective to be 16-50 exceeds quietly in the sharpness * 16-50 the same opening only 50mm * 16-50 shows the muscles in the middle and declined slowly defining the edges, against the sigma 18-35 at the same opening if the plays at par, maybe my sigma 18-35 suffers a bit 'showing of flare. What to say, excellent construction, tried under a flood and did not even have a problem, absolutely objective to have if you have pentax. Everything tested with K3 and K5II. Recommended!