Pentax Program Plus User Manual

SELECTING THE PROGRAMMED AUTO FLASH MODE
When you set the camera to the Programmed AE
mode;
• Choose an Auto position on the flash mode
selector <red, green, yellow) of the dedicated Auto
Flash unit.
• As the Auto Flash unit recycles, the shutter
speed will be automatically changed to the
synchronization speed of 1/100 sec. and the lens
aperture is also automatically set to the
predetermined value shown in the table below
according to the Auto position (red, green, yellow)
you choose.
(With ISO 100 film)
AF200T
AF280T
AF400T
"Red" mode
f/2.8 f/4
f/4
"Green" mode
f/5.6
f/8
f/8
"Yellow" mode
-- 1
-
f/11
For instance, if you set the flash mode selector to
the red position of the AF200T, at ISO 100, the
LCD indication shall be as follows.
fooV fe.B I
When you use other films than ISO 100, the
aperture will change according to the film speed
registered on the camera.
When you set the camera to the Aperture-priority
AE or the Metered Manual mode;
• Select an Auto position on the flash mode
selector (red, green, yellow) of the dedicated auto
flash unit.
• Set the lens aperture to the designated value on
the flash unit's calculater board.
• As the dedicated auto flash unit recycles the
shutter speed is automatically changed to the
synchronization speed of 1/100 sec.
• 40

Pentax Program Plus Specifications

General

Lens mount	Pentax K mount
ISO range	25 - 1600
Film advance	Manual
Camera type	SLR
Exposure modes	Program, Manual
Metering	TTL, center-weighted
Flash	Hot shoe