EF 16-35 f/2.8L USM: How to use the Infinity Distance Mark.
Article ID: ART151958
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Date published: 05/22/2015
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Date last updated: 02/01/2016
Description
EF 16-35 f/2.8L USM: How to use the Infinity Distance Mark.
Solution
Infinity Distance Mark
To compensate for shifting of the infinity focus point that results from changes in temperature.
The infinity position at normal temperature is the point at which the vertical line of the L make is aligned with the distance indicator on the distance scale.