Manuals / Phase One / Photography / Digital Camera

Phase One 645 AF Cancel auto bracket, Manual mode bracketing, Rear function dial enabled/disabled

Models: 645 AF

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C-09 Cancel auto bracket

This function is used to set the release method of the auto bracketing shooting setting upon completion of auto bracketing shooting.

0:Released by turning the power OFF (initial setting)

1:Until released

2:Released after one shot

C-10 Manual mode bracketing

This function is used to set whether bracketing is to be performed using the shutter speed or f-number during M (manual) mode auto bracketing shooting.

0:Shutter speed (initial setting)

1:F-number

C-11 Front/Rear dial function exchange in manual mode

This function is used to change over the operations of the front and rear dials in the M (manual mode).

0:Front dial: shutter speed, rear dial: f-number (initial setting)

1:Front dial: f-number, rear dial: shutter speed

C-12 Rear function dial enabled/disabled

In the initial setting, exposure compensation can be provided by the sub (rear) dial in P, Tv and Av modes. This function is used to set whether to allocate the operations of the front dial to the rear dial.

0:No (exposure compensation: initial setting)

1:Yes

C-13 Dial function direction

This function is used to determine the direction in which the electronic dial is to be rotated to increase and decrease shutter speed, the f- number, and exposure compensation.

0:No switching (CCW: decrease, CW: increase: initial setting)

1:Switched (CCW: increase, CW: decrease)

C-14 Program shift

This function is used to set the type of program shift. Under the initial setting, the shifting is performed along the program line. Av enables aperture priority shift within the possible metering range; Tv enables shutter speed-priority shift.

0:Program shift (initial setting)

1:F-number shift

2:Shutter speed shift

C-15 AEL & AFL function button exchange

This function is used to set whether to change over the functions of the front and rear AEL and AFL buttons.

0:No (front: AFL, rear: AEL: initial setting)

1:Yes (front AEL, rear: AFL)

C-16 Half-press shutter release function mode

This function is used to set the AE lock and AF operations when the shutter button is half-pressed.

0:AF operation (initial setting)

1:AF operation/AE lock

C-17 AEL function lock/unlock mode

This function is used to set the method of operating the AEL button to lock AE. At the initial setting, when the AEL button is pressed, AE is locked; pressing the button again releases the AE lock. At the “1” setting (released after one shot), after AE lock is set, it is released when the shutter is tripped. At the “2” setting, AE lock is set while the shutter button is being pressed.

0:Continuous: initial setting

1:Released after one shot

2:While the shutter button is pressed

C-18 Focus indicator selection

This function is used to set whether the defocusing mark is to be displayed.

0:Yes (initial setting)

1:No (focusing mark only)

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Phase One 645 AF Cancel auto bracket, Manual mode bracketing, Front/Rear dial function exchange in manual mode
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645 AF specifications

The Phase One 645 AF is a high-end medium format camera system designed for professional photographers seeking exceptional image quality and versatility. With its robust feature set and advanced technologies, it has become a preferred choice for commercial, portrait, and landscape photography.

At the heart of the 645 AF is its large 645-format sensor, which captures images at a remarkably high resolution. This sensor size not only ensures more detail in each shot but also provides superior dynamic range, allowing photographers to reproduce subtle lighting nuances in their work. The high pixel count is complemented by Phase One’s exceptional image processing capabilities, making it an ideal choice for large print production and high-fidelity image requirements.

One of the defining characteristics of the Phase One 645 AF is its modular design. Photographers can easily swap out different components, such as lenses and digital backs. This flexibility allows users to tailor their camera system to specific shooting requirements, whether that means switching to a high-resolution back for studio work or a faster one for dynamic scenes. The system is compatible with a wide range of Phase One lenses, which are known for their sharpness and optical quality.

The camera features a fast and accurate autofocus system, making it suitable for a variety of shooting conditions. With multiple focus points and advanced tracking capabilities, the 645 AF ensures that subjects are captured with precision, even in fast-paced environments. Additionally, the camera supports various shooting modes, including continuous shooting, which is crucial for capturing fleeting moments.

Another impressive technological advancement of the 645 AF is its robust build quality. Designed to withstand the rigors of professional use, the camera employs weather-sealed construction, ensuring reliable performance in challenging conditions. The ergonomic design provides comfortable handling during long shoots, making it a practical choice for professionals.

Moreover, the Phase One 645 AF integrates seamlessly with the company's Capture One software, allowing photographers to process their images efficiently. This software offers extensive editing capabilities, ensuring that images can be fine-tuned to meet artistic standards.

In summary, the Phase One 645 AF stands out in the world of medium format photography. Its impressive resolution, modular design, superior autofocus capabilities, and rugged construction make it a powerful tool for photographers who demand the very best. By combining state-of-the-art technology with a commitment to quality, the Phase One 645 AF continues to be a benchmark in professional photography.