Asahi Pentax 645N II Operations Manual download pdf (Page 77)

ADVANCED OPERATIONS

Mirror Lock-up

This camera is equipped with a mirror lock-up function.

To set

1. Set the drive mode selector to q.

2. Press the shutter release button fully to swing up

the mirror.

3. Press the shutter release button again. The shutter

is released.

• The exposure is locked just before the mirror goes up.

• The audible PCV signal's beeping can be enabled and

will be heard with the drive mode selector set to U.

• Mirror lockup cannot be used when using LS lenses

with the lens shutter set.

• Mirror lockup cannot be operated when the batteries are

exhausted or running low. The batteries run out quickly

when using mirror lock-up for long hours.

To cancel

1. With the exposure mode set to the Aperture-Prior-

ity AE mode, Metered manual mode or Bulb expo-

sure mode:

 Set the Drive mode selector to a position other than

[M.UP] or set the main switch to [OFF].

2. With the exposure mode set to the Programmed AE

or Shutter- Priority AE mode:

 Set the multi-exposure switch to [ON].

 Set the drive mode selector to a position other than

[M.UP] or set the main switch to [OFF].

 Set the multi-exposure switch to the original position.

Note:

Without setting the multi-exposure switch to the ON posi-

tion, the film is advanced by 1 frame when the mirror

returns to the original position.

To set To cancel 1 To cancel 2

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Asahi Pentax 645N II Operations Manual Page 77