Tamron 16-300 mm f/3.5-6.3 Di II VC PZD MACRO review - Autofocus

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Tamron 16-300 mm f/3.5-6.3 Di II VC PZD MACRO

4 June 2014

Arkadiusz Olech

10. Autofocus

The tested Tamron lens comes with a piezoelectric autofocus motor PZD. Its work is quiet, although not completely noiseless; during the focusing you can hear a slight whirr from the lens but it can’t be called anything troublesome. The speed is average – running through the whole scale and finding the focus point takes about 0.7-0.8 of a second, regardless of the focal length value. In bad lighting conditions and at shorter focal lengths the speed doesn’t change either but near 300 mm in some situations the focusing can take longer – even up to 1.5 seconds.

The lens attached to the Canon 50D had a light back focus tendency but that fault could be corrected in the body of the camera; after applying the appropriate micro adjustment level the lens hit the target at every focal length.

In studio conditions the number of misses reached less than 3% which is a good result.

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