Asahi Pentax ES Operating Manual Excerpts
Reproduced for Historical and Reference Purposes by Paul M. Provencher
http://whitemetal.com Not For Resale.
21
IMPORTANT NOTES
1.
Always keep the stop-down lever down for open-aperture reading. Also,
be sure to keep it down when interchanging lenses, otherwise, the
automatic diaphragm pin of the lens will hit the diaphragm activating
lever in the body. Move it up only when checking the depth of field or
using stop-down metering lenses or Extension Tubes, Bellows Unit, etc.
inserted between the lens and camera body.
2.
If you set the shutter dial of the ES at "AUTOMATIC" and release the
shutter, the reflex mirror will be blocked up for safety, if
1) the lens cap is on.
2) the lens is removed from the body.
3) the stop-down lever is down, when using stop-down
metering lenses or close-up accessories.
To bring the reflex mirror down, just turn the shutter dial off the
"AUTOMATIC" setting, or move up the stop-down lever.
