Tamron 17-70 mm f/2.8 Di III-A VC RXD review - Introduction

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Tamron 17-70 mm f/2.8 Di III-A VC RXD

25 February 2022

Maciej Latałło

1. Introduction

Lenses designed for APS-C sensors with focal lengths starting at 16-17 mm and ending around 70-80 mm have been offered by many different producers. Still, more often than not their aperture fastness wasn't exactly great, starting at f/3.5-4.0 and ending by f/4.5-5.6.

Three Sigma 17-70 mm editions had been a bit faster exceptions to that rule, along with the Nikkor AF-S DX 16–80 mm f/2.8–4E ED VR. In December 2020 Tamron decided to go even further, officially presenting the 17-70 f/2.8 Di III-A VC RXD lens with a very impressive aperture for these parameters, that of f/2.8.

Of course we didn't fail to notice such an interesting optical instrument and decided to order it and test in our office. The results can be found in the following chapters – enjoy your lecture! We would like to thank Focus Nordic for sending us the final specimen of the tested lens.

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