Written by Sanne

What do the abbreviations on a Tokina lens mean?

Tokina uses a number of abbreviations to indicate specifications of the lenses. Below you will find an explanation of the most important abbreviations.

Abbreviations A to Z

Abbreviations lens A to Z

AT-X = Advanced Technology Extra. You will find this on all Tokina lenses that have special types of glass.

DX = Digital eXpanded. These lenses are only suitable for digital cameras with an APS-C sensor.

FA = Focus Clutch Mechanism. This refers to a system that allows you to switch quickly between autofocus and manual focusing.

SD = Super Low Dispersion. These glass elements are used to reduce chromatic aberration. Chromatic aberration can be seen on photos as purple borders around details with a lot of contrast.

Sanne
Article by:
Sanne Camera Expert.

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