Pentax 40 MZ-3i - Manual (Page 11)

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4. Automatic flash mode
Fig. 10: Settings for the auto mode
Setting procedure for auto flash mode:
•Adjust the camera according to the manufacturer’s Operating Instructions.
1 Switch on the flashgun with the main switch
ቢ.
2 Set the operating mode selector
ቯ to A.
• *Press the ISO button
ቧ and set the film speed with the „+“ or „-“ button ቪ.
• *Press the Zoom button
ቭ and use the „+“ or „-“ button ቪ to enter the zoom
value selected on the camera lens.
• If necessary, press the P button
ቦ and adjust a partial light output level with
the „+“ or „-“ button
ቪ (see ch. 9, p. 32).
• *Press the button
ቤ and adjust the automatic aperture with the „+“ or „-
“ button
ቪ until the desired distance range is indicated. This aperture must
also be set on the camera lens.
* must additionally be set on some cameras
If an SCA 3000 adapter is used, some cameras automatically transmit
the f-number to the flash unit also in the auto flash mode. Should this
be the case, the auto aperture need not be set on the flashgun. ☞
4. Automatic flash mode
The permissible distance range and the corresponding aperture appear on the
LC display.
The subject should be located within the middle third of this distance
range, thus giving the electronic control sufficient scope for compen-
sation, if necessary.
There is a certain measure of overlap between the individual working apertures.
As a result of this overlap it is always possible to place the subject within the
middle third of the range.
Caution with zoom lenses!
Due to their design they can cause a loss of light in the order of up to
one f-stop. Furthermore, the effective aperture can also vary, depen-
ding upon the adjusted focal length.This can be compensated by
correcting the aperture on the flashgun manually!
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