Open-Aperture Or Stop-Down Reading - Honeywell ESII User Manual

OPEN-APERTURE OR STOP-DOWN READING

With the new SMC Takumar lenses with the diaphragm coupling
lever , mounted directly on the ES II camera body, the TTL
meter reads exposure through the full-open aperture for correct
automatic exposure. For open-aperture reading
lever should be DOWN.
the stop-down
With all other lenses, or when using Extension Tubes, Bellows Unit
or Microscope adapter, remember always to push up the stop
down lever for stopped-down
automatic exposure.
The SMC Takumar 85mm f/1.9 (bottom, left) and SMC Takumar-
Zoom 85mm-210mm lenses do not have the diaphragm coupling
lever ; therefore, they should be used on the ES II for stop-down
reading.
CAUTION:
All SMC Takumar lenses up to 300mm except the above two are
designed for open-aperture reading. When directly mounted on the
ES I I , they will give correct exposure readings at full aperture. Do
not try to take meter readings at stopped-down aperture, as this
will indicate different shutter speeds.
Also remember that the TTL metering does not work unless the
shutter dial is set at "AUTOMATIC".
aperture reading and correct
16