* e easiest way to increase the exposure by one EV value is to reduce the ISO setting to half the film speed value
as indicated on the film package, e.g. ISO400 film is set at ISO200, ISO100 film is set at ISO50, etc.
**To reduce the exposure by one EV value, increase the ISO setting to double the film speed value as
indicated on the film package, e.g. ISO400 film is set at ISO800, ISO100 film is set at ISO200, etc.
Incident light metering can be used without restrictions since it is independent of the focusing screen
Screen
type
42204
42207
42210
42213
42215
42217
42219
Integral PME3
PME5
PME51
Action required when combining prism meter viewfinders
with Acute-Matte D focusing screens
22
PME
The exposure should
be increased by 1
EV
value.*
Note: 1.4X and 2X
converters require
test exposures.
The exposure should
be increased by 1
EV
value.*
Note: 1.4X and 2X
converters require
test exposure
Spot
Metering
PME90
The exposure should
be reduced by 1 EV
value when using lens
/ teleconverter combi-
nations which reduce
the effective aperture
to f/8 or smaller.**
No restrictions within
the f/2 - f/5.6 range.
Note: Not recom
-
mended for lenses
or lens / converter
combinations where
the maximum effective
aperture is smaller
than f/5.6
Spot
Metering
PME45
Lenses without teleconverters:
Lenses with teleconverters:
The exposure should be
reduced by 1 EV (*) when
the combined aperture is f/7
or smaller.
Will work for lenses only,
and in the f/2 - f/4 range
provided the split image
line is in the horizontal
position.
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