Using infrared film – Canon T 60 User Manual

Page 63

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6. Using infrared Film

When using black-and-white infrared film
— film which is sensitive to infrared light

rays — you must slightly adjust the focus

before taking a picture. This is necessary
because infrared light rays have longer

wavelengths and thus focus on a plane

slightly behind that of ordinary visible light

rays.

You can easily adjust the focus using the

red infrared index on the lens barrel.

■ When using blaok-and-white infrared

film, it is necessary to attach a deep

red filter to the lens to keep out the

visible light rays. For details on the

type of filter to use, refer to the in
struction sheet provided with the film.

1) Attach a deep red filter to the lens

2) Look through the viewfinder and fo

cus the subject.