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Phase One 645 AF manual FileFormat

Models: 645 AF

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In general, if the camera is used with medium format cameras with digital interface the setting can be either “Short latency” or “Long latency”.

Short latency has a shorter response time, but is power consuming, so when battery time is an issue you should select “Long latency” on the cost of response time from the camera.

If the P+ back is used in “two shoot mode” on a large format camera with i.e. a copal shutter or another mechanical shutter where the shutter is released one time for waking up the back, and another time for shooting the image, then the shutter setting in the P+ back should be set to “long latency”.

While short latency will respond immediately to triggering the camera, Long latency will not be that fast, but in return you gain much longer battery power.

FileFormat

In “FileFormat” you can select two options “IIQ Raw L” and “IIQ Raw S”.

“IIQ Raw” is a short term for Intelligent Image Quality Raw.

“IIQ Raw L” is set as the default and is the loss less capture format of the P+ back.

“IIQ Raw S” is a smaller file, and not totally loss less in the format. The “IIQ Raw L” is approximately 1/3 file size of the processed TIFF file. “IIQ Raw S” is approximately 1/5 of the processed TIFF. Most users will use the “IIQ Raw S” as there is virtually no quality difference between the two settings.

Please consult the camera specific sections in this manual to learn more about how to use shutter latency with your particular P+ back setup.

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Image 69
Phase One 645 AF manual FileFormat
Page 68 Page 70

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.