Mamiya 645 AFD III manual Using the Focus Lock Function, AF Assist Infrared Light, Lock the focus

Using the Focus Lock Function AF Assist Infrared Light

If the object that you want to focus on is not in the focus frame , the camera focuses

on the background at the center. In such cases use the focus lock function to lock the focus before releasing the shutter.

1.Set the focus mode selector lever to “S” or “C.”

Put the subject in the focus frame	and half-
press the shutter release button.

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When the subject is dark or the low-key and the camera fails to auto-focus, a red lamp may light on the front of the camera when the shutter re- lease button is half-pressed. This is a light that assists the camera’s auto focus function.

2. Lock the focus.

When the focus mark in the viewfinder LCD is lit, press the AF lock button on the front of the camera to lock the focus.

3. Adjust the composition.

With the shutter release button half-pressed, slide the camera to achieve the desired composition, and release the shutter.

★When the focus mode is set at “S” (single fo- cus mode) and the focus mark is lit, hold the shutter release button halfway down to lock

the focus.

1. Assignment of the AEL and AFL buttons can be swapped. Custom settings (C-15 on page 94).

2.You can set the camera so that when the AFL button is pressed, AF is activated and AF lock is performed

Custom settings (C-19 on page 95)

★The AF assist infrared light is emitted only when the focus mode is set to “S” (single focus mode).

★Effective range of the AF assist infrared light is limited. It does not reach distant subjects.

Range: 9m/29.5 ft. (using 80 mm f/2.8 lens under our test conditions)

★When using a lens hood or a bellows lens hood (sold as an optional accessory) that may interfere the assist light, set focus before mounting the hood.

The AF assist infrared light can be disabled.

Custom settings (C-26 on page 95)

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