| Article ID: ART151845 |
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Date published: 05/22/2015 |
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Date last updated: 02/02/2016 |
Description
EF 28mm f/1.8 USM: How to use the Infrared Index
Solution
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- When using black and white infrared film. it is necessary to make a slight adjustment in focus using the infrared index
- For example, focus the subject first, then if the lens focused at 1.5m (5ft) on the distance scale, turn the manual focusing ring to align the 1.5m(5ft) mark with the red dot and release the shutter
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