Phase One 645 AF manual AFL function lock mode, Mode one-push setting, Bulb exposure time setting

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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, and 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

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Contents User Guide Phase One Camera Trademarks & acknowledgements On rightsOn liability Contents Open Platform Freedom of Choice IntroductionMicrosoft Windows WarrantyRecommended hardware Install on Windows Installing and Activation of softwareInstall on Mac OS Troubleshooting Deactivation of Capture One Screen calibration Pouch Body the systemUnpacking the system ClassicValue Added Accessories BoxBatteries for camera Checking the Battery PowerPurchasing extra batteries Batteries for the backDrive dial AF lock button Strap lug Parts of the camera systemRemoving Attach and remove lensAttaching the back Display LED lights ButtonsAdjusting the Strap Setting diopterEyepiece shutter Setting date and timePage ISO and White Balance Setting ISOBasic functions There are four exposure modes P program AE Easy PhotographyPage Exposure Warnings Measuring light Exposure MeteringSet value is displayed Exposure compensationOut of focus Marks Focus modesContinuous focus mode C Single focus mode SSpot focus area Manual Focus Mode MFocus Areas Normal focus areaManual Focus Operation for Telephoto and Zoom lenses Manual focusing Switch to M manual focus modeAdjust the focus When Auto Focus is Failed Adjust the composition Using focus lock and infrared focusingUsing the Focus Lock Function Set the focus mode selector lever to S or CAF Assist Infrared Light Self-Timer Mode Single-Frame ModeContinuous Mode Mirror up modeProgram Shift PH/PL Exposure ModesProgram AE Shutter Priority AE Tv Aperture Priority AE AvManual Mode M Mode One-push shift functionThis camera’s synchro contact is an X contact Flash photographyPage Rear Curtain Syncro ExampleViewfinder LCD readouts Flash compensation settingsWith the exposure compensation dial Exposure mode Exposure compensation displayAdvanced functions Exposure CompensationAE Lock Metered-value difference indicator Press the shutter release button Auto BracketingContinuous Mode C Single-Frame Mode STaking photos with the mirror up Manual modeCamera display light Long exposure Bulb ModeFront/rear dial lock mechanisms Setting will be stored after one secondDepth of Field Preview Button Depth of fieldInfrared photography Page Driver set-up ConnectingTethered shooting Tethered operations Back Inserting and ejecting cards on the P+ back CF card usageDisk Check summary CF card usage 3S the Secure Storage SystemGeneral handling guidelines Using cards in the card readerCF card usage in general Preparing the CF-cards Mounting and dismounting card on computersFormatting on a Mac OS X computer Recommended formatting is by using the backMenu buttons Navigating the Back menuFile format shortcut Home shortcutButton Lock shortcut Battery and Power IndicatorPlaymode View modes Playmode zoom functionsDelete Exit the Play modeBrowsing inside Zoom Shutter Menu ModeCapture Setup FileFormat White Balance ISOCustom white balance from Capture One Auto Preview Play SetupBacklight Brightness Delete optionsStorage ConfigurationPower Source Disk Checking Power SaveFormat disk Time & Date Restore def. DefaultsReady beep Language About the P+ Back Page Custom function Setting custom functionsTypes of custom functions Rear function dial enabled/disabled Cancel auto bracketManual mode bracketing Front/Rear dial function exchange in manual modeBulb shutter release setting AFL function lock modeMode one-push setting Bulb exposure time settingDigital back CF configuration Custom function resetAuto film loading setting Multiple exposure modeCustom Functions overview Initial settingLenses and Multi Mount Functions of the Phase One lensFunction of the Phase One lens adaptor Limitationcodes List of alternative lensesProducer Specs limitations Adaptor/mount Lens Cast What is Lens Cast?Why does lens cast occur? How to get rid of Lens Cast?Large format and stitched images MAC 4 simple steps to calibrate on fixed lenses MAC4 simple steps to calibrate on fixed lenses PC Large format and stitched images PC Page Getting started SoftwareImporting from CF card Large format photography Large format and technical camerasTechnical cameras Changing the focusing screen MaintenanceTripod/Electronic shutter release contact Battery socketLCD Camera display error-notificationCleaning the CCD Lens maintenanceBack Maintenance Actual Image Size 56x41.5 mm Housing specification11.8 P+ series Technical specifications World Wide Dealer Network End User support PolicyOn-Line Support FAQ, Tutorials & DocumentationKnowledge Base Capture One On-line Support Forums 106

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.
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