OL: Tamron 11-20mm f/2.8 Di III-A RXD – Review Highly Recommended

Optical limits posted its full Tamron 11-20mm f/2.8 Di III-A RXD review. You can read the full review here or check out the excerpt below:

The Tamron 11-20mm f/2.8 Di III-A RXD delivers where it counts the most – image quality. Ultra-wide zoom lenses tend to be difficult beasts with a somewhat variable performance across the aperture range. However, Tamron managed to provide a very even performance with a superb image center and good to very good corners at all relevant settings. Image distortions and lateral CAs are quite low, even in RAW images. The original vignetting is on the high side, but image auto-correction reduces this to a manageable level. The quality of the bokeh is good for a lens in this class. The sun star rendering is OK but not great either. Another positive aspect is the resistance against flare – this is quite important for an ultra-wide lens due to its immense depth-of-field at the widest setting.

In terms of build quality or at least “feel”, the Tamron lens may not be a crowd-pleaser with its choice of plastics. However, it’s tightly assembled with no wobbling, even when extended. A positive effect of the construction is the light weight of just 335g. Compared to the competition, it is a fairly big lens, but “big” is a relative term here, really. The sealing against moisture is commendable, but it’s disappointing that they omitted the dust protection – especially because it is an extending design. On the positive side, the AF is fast and silent.

We can certainly see why Tamron lenses have become so popular lately – the image quality is impressive, and that’s something that we have to recognize here first and foremost. Thus, highly recommended!

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Tamron 11-20mm f/2.8 Di III-A RXD:
B&H Photo / Amazon / Adorama

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