Manuals / Phase One / Photography / Digital Camera

Phase One 645 AF manual Focus modes, Out of focus Marks

Models: 645 AF

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3.4Focus modes

If autofocus AF is desired, chose AF on the focusing selector ring on the lens, then chose between S(single) and C(continuously) focusing. The Focus selection ring on the lens will help you to rapidly switch between AF and M, without having to change your grip of the camera.

The shutter release button has a two-step action. When pressed lightly it stops at a certain point. In this manual this position is called the “half- press” position. When you “half-press” this button, the camera functions are activated. When the shutter button is pressed further down, the shutter is tripped. This position is called the “full-press” position.

When you “half-press” this button, camera functions are activated.

1.Aim the camera so that the subject is within the focus frame.

2.Half-press the shutter release button, and focus will be adjusted automatically.

When the focus mark lights, the picture is in focus.

3.When lights, press the shutter release button further down to release the shutter.

Out of focus Marks

Flashing: The picture is not focused and the shutter cannot be released.

Either press the shutter release button again to adjust the focus or move the camera to change the position of the focus frame.

While the camera is operated in the auto focus mode, lenses not equipped with the focus mode selector ring turn their focusing rings automatically to focus. Do not touch the focus ring.

Lenses with the focus mode selector

When a lens with the focus mode selector is attached and the focus

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Phase One 645 AF manual Focus modes, Out of focus Marks
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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.