Technical data

Distance

Scale

Indicator

(central

orange

line)

Infrared Index

"R"

Distance Scale

Infrared Index

The distance scale indicates the distance be- For infrared photography, correction of the

tween the focused subject and the film plane. distance scale is necessary because the focal

The scale

necessary for checking the depth. position deviates a little from ordinary photog.

of.field, for infrared photography and flash raphy. Make ordinary focusing first, then

photography.

adjust that distance scale to the infrared mark

~h~

correct

position

the

scale,

where

the

R". For instance, if the distance reads 10m

distance

one.digit figure,

is in

the

middle after focusing, merely shift the 10 scale to

of the figure; if

is a two-digit figure, it is

position.

between the two figures

;

and if it is a three. *The position of

R" is scaled according to the

digit figure,

is in the middle of the central use of the standard of a film with the highest

figure. sensitivity of a wave length of about

800mp

and infrared filter (for example.

KODAK

135