Phase One 645 AF manual Measuring light Exposure Metering, Exposure Warnings

Page 25

 

CF X

 

M

 

Tv

 

Av

 

P

 

SET

A

AEL

B

 

Average/spot auto

Exposure metering is performed after automatically

 

exposure metering

selecting average/spot exposure metering.• Depending

 

 

on the subject conditions, center-weighted average/spot

 

 

exposure metering is selected automatically, and the

 

 

correct exposure is measured.

 

 

• Spot exposure metering is automatically selected when

 

 

the brightness of the spot exposure metering range

 

 

becomes darker than the brightness of the entire screen.

 

 

• If there is very little difference between the spot exposure

 

 

metering value and center-weighted average exposure

 

 

metering value, the correct exposure level is obtained as

 

 

the intermediate value.

 

Center-weighted

The average brightness of the entire screen is measured,

 

average/spot

emphasizing the center of the screen.

 

exposuremetering

 

 

 

 

 

Center spot exposure

The brightness of an area equivalent to 7.6% at screen

 

metering

center is measured, and the exposure is determined. The

 

 

circle at screen center serves as a general guideline. This

 

 

mode is suited to measuring subjects with strong contrasts

 

 

or measuring only screen portions.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE:

you can change the amount of time the metered value is shown by entering Custom Settings C-04.

3.3Measuring light – Exposure Metering

1.Exposure mode mark is displayed when the exposure mode button A is pressed. Since three different exposure modes are displayed sequentially when either the front or rear dial is turned, select an appropriate exposure mode.

2.Press the SET button or exposure metering mode button A to enter the setting.

Exposure Warnings

With an inappropriate exposure setting, when shooting subjects that are too light or dark, the user is warned by the flashing external LCD or the LCD inside the viewfinder.

At such times, the correct exposure cannot be obtained.

Warnings that the exposure is outside the metering range

• Program AE (P)

The shutter speed and f-number blink.

•Aperture priority AE (Av) The shutter speed blinks.

•Shutter priority AE (Tv) The f-number blinks.

•Manual mode (M)

The exposure metering value difference is displayed.

25

Page 24 Page 26
Image 25
Page 24 Page 26
Contents User Guide Phase One Camera On liability On rightsTrademarks & acknowledgements Contents Open Platform Freedom of Choice IntroductionRecommended hardware WarrantyMicrosoft Windows Install on Mac OS Installing and Activation of softwareInstall on Windows Troubleshooting Deactivation of Capture One Screen calibration Unpacking the system Body the systemClassic PouchValue 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 Basic functions Setting ISOISO and White Balance 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 SFocus Areas Manual Focus Mode MNormal focus area Spot focus areaAdjust the focus Manual focusing Switch to M manual focus modeManual Focus Operation for Telephoto and Zoom lenses When Auto Focus is Failed Using the Focus Lock Function Using focus lock and infrared focusingSet the focus mode selector lever to S or C Adjust the compositionAF Assist Infrared Light Continuous Mode Single-Frame ModeMirror up mode Self-Timer ModeProgram AE Exposure ModesProgram Shift PH/PL 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 settingsAdvanced functions Exposure mode Exposure compensation displayExposure Compensation With the exposure compensation dialAE 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 Tethered shooting ConnectingDriver set-up Tethered operations Back Inserting and ejecting cards on the P+ back CF card usageDisk Check summary CF card usage 3S the Secure Storage SystemCF card usage in general Using cards in the card readerGeneral handling guidelines 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 functionsBrowsing inside Zoom Exit the Play modeDelete Capture Setup Menu ModeShutter FileFormat White Balance ISOCustom white balance from Capture One Backlight Play SetupAuto Preview Brightness Delete optionsPower Source ConfigurationStorage Format disk Power SaveDisk Checking Ready beep Restore def. DefaultsTime & Date Language About the P+ Back Page Custom function Setting custom functionsTypes of custom functions Manual mode bracketing Cancel auto bracketFront/Rear dial function exchange in manual mode Rear function dial enabled/disabledMode one-push setting AFL function lock modeBulb exposure time setting Bulb shutter release settingAuto film loading setting Custom function resetMultiple exposure mode Digital back CF configurationCustom Functions overview Initial settingLenses and Multi Mount Functions of the Phase One lensFunction of the Phase One lens adaptor Producer Specs limitations Adaptor/mount List of alternative lensesLimitationcodes Why does lens cast occur? What is Lens Cast?How to get rid of Lens Cast? Lens CastLarge 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-notificationBack Maintenance Lens maintenanceCleaning the CCD Actual Image Size 56x41.5 mm Housing specification11.8 P+ series Technical specifications World Wide Dealer Network End User support PolicyKnowledge Base Capture One On-line Support Forums FAQ, Tutorials & DocumentationOn-Line Support 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.
Top Page Image Contents