Types of custom functions (continued)

C-19 AFL function lock mode

This function is used to set the AF lock method when the AFL button is operated.

There is a choice between AF locking by pressing the AFL button and performing the AF operation for AF locking and AE locking.

0:Yes (AF lock only: initial setting)

1:Yes (AF operation/AE lock)

C-20 M mode one-push setting

This function is used to set whether one-push shift operation in manual mode is to be based on the shutter speed or f-number.

0:Shutter speed shift (initial setting)

1:F-number shift

C-21 Bulb exposure time setting

This function enables bulb shooting by setting the bulb shooting time from 1 to 60 minutes provided that the battery charge lasts. It can be used to decide on the bulb shooting time from 1 to 60 minutes.

C-22 Bulb shutter release setting

This function is used to set how to operate the shutter button for bulb shooting. At the “0” setting, the shutter is opened and closed while the shutter button is held down; at

the “1” setting, it is opened and closed each time the shutter button is pressed.

0:While shutter button is pressed (initial setting)

1:Each time shutter button is pressed

C-23 Shutter speed in X mode

This function is used to set the shutter speed in X (synchronizing) mode. The initial setting is 1/125 sec. The kind of large flash unit for use in studios has a long firing time and so it may not synchronize at a high shutter speed setting. Take one or more test shots, then set the synchronization speed.

0:1/125 sec. (initial setting)

1:1/90 sec. (1/80 sec.※ )

2:1/60 sec.

3:1/45 (1/40 sec.※ )

※When the exposure value step width has been set to 1/2 step

C-24 Automatic sync speed setting

This function is used to set the shutter speed when using the flash unit made by Metz (with the SCA3952 adapter) in P (program) or Av mode.

0:1/60 to 1/125 sec. (initial setting)

1:Less than 1/125 sec. (metered value)

C-25 TTL flash compensation mode

This function is used to set whether to link exposure compensation and flash compensation when using the flash unit made by Metz (with the SCA3952 adapter).

0:Not linked (initial setting)

1:Linked

C-26 AF beam setting

The AF auxiliary light fires automatically when the subject is too dark to perform AF, but this function can be used to prevent the AF auxiliary light from firing.

0:Fires (initial setting)

1:Does not fire

C-27 Flash sync. timing

When a moving subject has been shot using the flash, a flash of light will appear ahead of the subject’s movement under the initial setting. This function makes it possible to

change this so that the flash of light comes after the moving subject as illustrated.

0:No (front curtain synchronization: initial setting)

1:Yes (rear curtain synchronization)

C-28 Copy custom function

This function is used to group all the user symbol settings selected (custom functions that have been set) together with the other user symbols, and copy them.

0:No (initial setting)

1:Yes (copied to user A)

2:Yes (copied to user B)

3:Yes (copied to user C)

C-29 Custom function reset

This function is used to group all the user function settings selected from C- 01 to C-27 together, and initialize them (to the default settings).

0:No (initial setting)

1:Yes

C-30 Shutter release without film

This function is used to set whether the shutter is to be tripped even when the film has not been loaded.

0:No (initial setting)

1:Yes

C-31 Auto film loading setting

This function is used to set whether to feed the film (to the first frame) by half- pressing the shutter button or by closing the rear cover when the film has been loaded. The film

can be fed to the first frame by half- pressing the shutter button even when the rear cover close has been established as the setting.

0:By half-pressing the shutter button (initial setting)

1:By closing the rear cover

★When the camera is in sleep mode, the film will not start moving even when the rear cover is closed. Half-press the shutter button.

C-32 Multiple exposure mode

This function is used to select whether, during multiple exposure shooting, the multiple exposures are to be taken by pressing the shutter button until the multiple exposure button is pressed or after the number of set multiple exposures have been taken (initial setting). When the number of multiple exposures is set, the film is wound up by one frame after the completion of the number of multiple exposures.

0:Until the multiple exposure button is pressed (initial setting)

1:Multiple exposure number is set

C-33 Digital back CF configuration

This function is used to select the user function (A, B or C) when an MSCE- listed digital back has been loaded.

0:No (initial setting)

1:A

2:B

3:C

C-34 Clock/calendar setting

This function is used for setting the calendar and clock. For details on the setting procedure, see page 23.

C-35 Index setting

This function is used for setting the index numbers. For details on the setting procedure, see pages 21 and 22.

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Mamiya 645 AFD III AFL function lock mode, Mode one-push setting, Bulb exposure time setting, Bulb shutter release setting
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645 AFD III specifications

The Mamiya 645 AFD III is a substantial piece of photographic equipment that has long earned its place as a favorite among professional photographers and serious enthusiasts. Building upon the success of its predecessors, this medium format camera offers a blend of advanced technology and ergonomic design, making it a robust tool for capturing stunning images.

One of the primary features of the Mamiya 645 AFD III is its medium format film capability, which utilizes 120 or 220 film. This allows photographers to achieve superior image quality with greater detail and a richer tonal range compared to standard 35mm cameras. The camera's 6x4.5 cm frame size is ideal for producing high-resolution images that are perfect for large prints and commercial works.

The AFD III is equipped with an advanced autofocus system, featuring a 5-point autofocus sensor that works efficiently in a variety of lighting conditions. The AF lock feature enables precise focusing on subjects, ensuring that photographers do not miss crucial moments. The camera also supports manual focus for those who prefer greater control over their shots.

Another significant aspect of the Mamiya 645 AFD III is its compatibility with a wide range of interchangeable lenses. Mamiya's extensive line of lenses includes options for wide-angle, standard, and telephoto photography, catering to diverse creative needs. This versatility is enhanced by the camera's electronic aperture control, which allows for smooth adjustments while taking photos.

Built with a durable, all-weather body, the Mamiya 645 AFD III stands up to the rigors of professional use. Its design focuses on user comfort, with intuitive placement of buttons and controls that facilitate quick adjustments on the fly. The camera's clear viewfinder provides a bright, unobstructed view for accurate composition.

The inclusion of an electronic film advance further simplifies the shooting process. The camera can automatically advance the film to the next frame, minimizing the risk of double exposure. Additionally, the Mamiya 645 AFD III features a built-in metering system, allowing for accurate exposure readings in various lighting environments.

For those transitioning to digital photography, the AFD III can be paired with a digital back, making it a flexible choice for both film and digital mediums. This adaptability ensures that photographers can choose the best format for their creative vision.

In conclusion, the Mamiya 645 AFD III is a medium format camera that combines quality, versatility, and user-friendly technology. Its impressive features, robust build, and support for various photographic needs make it an exceptional choice for anyone serious about photography. Whether shooting landscapes, portraits, or commercial work, the Mamiya 645 AFD III provides the tools needed to capture stunning images with precision.
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