Pentax -D Camera Lens User Manual


 
HOW TO USE THE INFRARED INDEX
13
If you use infrared film and attach an R2 or O2 filter to the lens to take infrared pictures, the
point of focus will be different from when you shoot normally (with visible light). A focusing
correction will be necessary. As shown above left, memorize the focusing point on the lens
distance scale when viewed through the viewfinder and turn the focusing ring until the point
you memorized aligns with the infrared index, red dot, as shown above right.
Infrared film can not be used for MZ-S, MZ-60 and *ist since infrared ray is used for
detecting device of film transport. It will expose infrared film in the camera.
Turn the focusing ring in the MANUAL focus mode only.
For the exposure control requierd in this special photography, see the information
supplied with the infrared film.