Ask a Question

EF 70-200mm f/2.8L IS USM:How to use the infrared mark setting.

Article ID: ART151917 | Date published: 05/22/2015 | Date last updated: 02/01/2016
 

Description

EF 70-200mm f/2.8L IS USM:How to use the infrared mark setting.

Solution

Using the Infrared Mark
EF 70-200mm f/2.8L IS USM

The infrared index corrects the focus setting when using monochrome infrared film. Focus on the subject manually, then adjust the distance setting by moving the focusing ring to the corresponding infrared index mark.

  • Some EOS cameras cannot use infrared film. See the instructions for your EOS camera
  • The infrared index position is based on a wavelength of 800nm.
  • be sure to observe the manufactures instructions when using infrared film.
  • Use a red filter when you take the picture.

SIMS Doc Id

0

Rate this Article
Was this article helpful?
Yes, This document is helpful
No, This document needs a clearer explanation
 
Please provide your comments