The fact that such a super-mega zoom with 15-times zoom range is not the same picture quality as normal, or even zoom lenses provide fixed focal lengths can be expected every ambitious photographer clear. Chromatic aberration and distortion are necessarily larger, otherwise it will be much more expensive. That saves a Megazoom frequent lens changes, not only while traveling can be very annoying.
The first question is: Is the quality for the normal case? Holiday pictures, snapshots, people and animal portraits, all with normal lighting conditions and to enlarge the photo book format? This question can clearly be “yes” answer.
The second question is then: How is the quality compared to other travel zooms? Are the other better?
This question, I followed up and have two current competitors are compared: the here to be evaluated “Tamron AF18-270mm 3.5 / 6.3 Di II VC” and “Canon EF-S 18-200mm F / 3,5-5 , 6 IS “.
Details of this test – made with a Canon 40D (to test panel and landscape) – are among the reviews on the Canon EF-S 18-200mm F / 3,5-5,6 IS “to find, and must therefore at this point repeated.
Here only the result in brief:
When direct comparison is the Tamron 18-270 VC in sharpness and contrast behind the Canon 18-200 IS. The sharpness is rel. well, the Canon lens, however, is a little sharper and especially contrast.
Even the color bleeding (chromatic aberration) are stronger and the periphery can not be ignored.
The distortion is Megazoom-usual (18mmm barrel at 35mm and slight pincushion ab) and two lenses similar.
Only when supplies Vignetting Tamron lens this good values (ie little Ecken-/Randabschattung in the entire zoom range) and located in this discipline before the Canon. But even in this!
But: The Tamron lens has me on a Canon 40D tested. Only this combination is for this review. It may be that the 18-270 on a Nikon better results. Current test reports seem to confirm this.
More Results: The focus on working reliably (only a few slip) and the image stabilizer makes his case very well.
Comparing the new Tamron with his own predecessor, the AF18-200 4.5 / 6.3 XR Di II “(without stabilizer), the imaging properties of the new lens – in spite of the greater zoom range – much better.
Unfortunately, there is a drawback to be mentioned: the Can you zoom down – for example, an object close to the ground to photograph – so blocking the zoom ring. Nothing is more, the zoom can be used in this posture is no longer move. Only in the horizontal position of the focal length can again be reduced. There is a need to repair and hopefully possible.
translated from amazon.de customer review.
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