User Guide
Credo Digital Backs
Mamiya 645DF+/645DF Camera
On Rights
©2012-2014 Leaf Imaging Ltd. All rights reserved.
 
Colorspace images created in CROMiX ColorThink.
On Liability
The information in this User Guide is provided “as is”. 
Under no circumstances, including negligence, shall Leaf Imaging Ltd. be liable for any incidental, special, direct, 
indirect or consequential damages arising out of or relating to use of the information provided in this guide with or 
without the software and/or hardware described in the guide.
Trademarks and Acknowledgements
Mamiya and Mamiya Sekor are registered trademarks.
Capture One and Phase One are either registered trademarks or trademarks of Phase One A/S in the European 
Union and/or other countries.
All other trademarks are the property of their respective owners.
This product includes DNG technology under license by Adobe Systems Incorporated.
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Contents
1.0  Introduction 
1.1  Warranty 
1.2 
1.3  Activation 
1.4  Screen Calibration 
Installation and Activation of Software 
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3.5  Focus Modes 
3.7  Using Focus Lock and Infrared Focusing 
3.8  Drive Dial 
3.9  Exposure Modes 
3.10  Flash Photography 
3.11  Flash Compensation Settings 
4.0  Introduction to the Credo Series Digital Back 
4.1  Quick Start (shooting untethered) 
4.2  General Hardware Setup 
4.3 
Indicator Light 
4.4  CF Card LED 
4.5  Tethered and Untethered Operations 
4.6  CompactFlash Card Usage 
4.7  Secure Storage System (3S) 
4.8   Formatting your Memory Card 
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2.0  The 645DF+ Camera and Credo Digital Back System  11
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2.1  Charging the Batteries for the Credo Digital Back 
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2.2  Batteries for Camera 
2.3  Sleep Mode 
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2.4  Attach and Remove a Lens 
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2.5  Adjusting the Strap 
2.6  Attaching the Leaf Credo back 
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2.7  Parts of the Camera System 
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2.8  The Displays 
2.9  Camera Display Abbreviations  
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2.10  The Buttons on the Back 
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2.11  LED Lights 
2.12  Setting Date and Time 
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2.13    Setting Diopter  
2.14  Eyepiece Shutter 
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3.0  Basic Functions 
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3.1  Setting ISO 
3.2  Setting White Balance 
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3.3  Setting the Shutter Release, Focus, Exposure and Metering modes
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3.4  Measuring Light – Exposure Metering 
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ISO  
5.0  Navigating the Credo User Interface and Menu System 
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5.1  Soft Buttons 
5.2  Touchscreen Operation 
5.3 
5.4  White Balance 
5.5  Custom White Balance 
6.0  Browse Mode 
6.1  Browse Mode Views 
6.2  Dynamic Menu 
6.3 
Info Bar 
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6.4  Browse Mode Navigation 
6.5  Zoom 
6.6  Rating Images 
6.7  Previewing Images in B&W 
6.8  Deleting Images 
6.9  Deleting in Browse View 
6.10  Grid  
6.11  Tools  
7.0  Settings Menu 
7.1  Camera Settings (Custom Functionality)  
7.1.1 Setup C1, C2 or C3 
7.1.2 Exposure Program 
7.1.3 AF Area 
7.1.4 Light Metering 
7.1.5 Custom Function Set 
7.1.6 Setup Custom A, B or C 
7.1.7 EV Step 
7.1.8 Lens Change 
7.1.9 Sleep Timer 
7.1.10  Battery Type 
7.1.11  Bracketing 
7.1.12  Front/Rear Dial 
7.1.13  Rear Dial in P mode 
7.1.14  Dial Direction 
7.1.15  AEL/AFL button 
7.1.16  Release Button 
7.1.17  AEL  
7.1.18  AFL 
7.1.19  M-Mode AEL 
7.1.20  AF Assist Light 
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7.1.21  Flash Sync 
7.1.22  Beep 
7.1.23  Shutter in Tv/Av/P 
7.1.24  Shutter in M/X 
7.1.25  AF priority 
7.1.26  Active Custom Set 
7.1.27  Restore to Default 
7.1.28  About System 
7.2  Power Management 
7.3  Format Card 
7.4  Check Disk 
7.5  Storage Mode 
7.6  File Format 
7.7  Camera Mode 
7.8  Shutter Latency 
7.9 
7.10  Auto Preview Mode 
7.11  Display 
7.12  Ready Beep 
7.13  Date and Time 
7.14  Language 
7.15  Restore to Default 
7.16  Firmware 
7.17  About 
Image Orientation 
9.0  Advanced 645DF+ Camera Functions 
9.1  Exposure Compensation 
9.2  AE Lock 
9.3  Metered-Value Difference Indicator 
9.4   Auto Bracketing 
9.5  Taking Photos with the Mirror Up 
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9.6  Mirror Up Delay 
9.7  Bulb Mode and Long Exposure 
9.8  Camera Display Light 
9.9  Front/Rear Dial Lock Mechanisms 
9.10  Self-Timer Mode 
9.11  Interval Photography 
9.12  Depth of Field  
9.13  Infrared Photography 
9.14  Custom Function 
9.15  Types of Custom Functions 
9.16  Custom Dial Modes C1, C2 or C3 
9.17  Lenses and Multi-Mount 
9.18  Function of the Phase One Lens Adapter 
10.0 Maintenance 
10.1  Changing the Focusing Screen 
10.2  Battery Socket 
10.3  Tripod/Electronic Shutter Release Contact 
10.4  Camera Display Error-Notification 
10.5  Lens Maintenance 
10.6  Back Maintenance 
10.7  IR Filter on the CCD 
10.8  Mamiya 645DF+ Camera Body Specifications 
10.9  Mamiya 645DF+ Housing Specification 
11.0 Software 
11.1  Importing Images 
12.0 End User Support Policy 
12.1  Web Resources 
13.0 Open Platform – Freedom of Choice 
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13.1  More Details: Leaf Credo and Mamiya 645 Series Cameras  
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14.0 Leaf Credo back for Mamiya RZ67 PRO IID 
14.1  Mounting Leaf Credo back on the Mamiya RZ67 PRO IID 
14.2  Viewfinder Masking 
14.3  More Details: Mamiya RZ67 Pro IID 
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15.0 Leaf Credo back for Hasselblad V Series 
15.1  Mounting the Leaf Credo back on a Hasselblad V 
Series Camera 
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15.2  Mounting a Viewfinder Mask on a Hasselblad V Series Camera 123
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15.3  More Details: Hasselblad V Series 
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15.4  Hasselblad 555 ELD 
15.5  Hasselblad 553 ELX 
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15.6  Hasselblad 501 CM and 503 CW without Winder 
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15.7  Hasselblad 503 CW with Winder CW 
15.8  Cables shipped with Leaf Credo back for Hasselblad V  
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16.0 Leaf Credo Back for Hasselblad H Series 
16.1  Mounting the Leaf Credo back on the Hasselblad H1/H2 
16.2  Viewfinder Masking 
16.3  More Details: Hasselblad H Series 
16.4  Cables Shipped with Leaf Credo back for Hasselblad H 
17.0 Leaf Credo back for Contax 645 
17.1  Mounting Leaf Credo back on a Contax 645 
17.2  Viewfinder Masking 
17.3  More Details: Contax 645 
17.4  Flash Lead Connection 
17.5  Cables Shipped with Leaf Credo back for the Contax 645  
(Gold package only) 
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18.0 Leaf Credo Back on View Cameras 
18.1  Using the 2-shot Release 
18.2  Using the 1-shot Release 
18.3  Shutter Latency Settings for Technical Camera Adapters 
19.0 Live View 
19.1  Starting Live View 
19.2  White Balance 
19.3  Quality and Brightness 
19.4  Zoom 
19.5  Grid 
19.6  Auto Stop and Start 
19.7  Accessories 
19.8  Live View Camera Support 
20.0 Appendix 
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1.0  Introduction
Thank you for choosing a Mamiya Leaf product.
The Mamiya 645DF+ and Leaf Credo digital back is the most powerful 
digital camera solution whether you are working on location or tethered 
in a studio. 
The Leaf Credo 80, 60 and 40 digital camera backs feature maximum 
resolutions of 80, 60.5 and 40 high-quality megapixels respectively. This 
series sets new standards for medium format camera system handling 
and performance.
The Leaf Credo series system gives you the absolute best solution 
when it comes to image quality and workflow. Capture One has been 
optimized for shooting with Leaf Credo digital backs, and is available for 
both Mac OS X and Windows operating systems.
Together with the Leaf Credo series backs, this professional RAW 
converter and image editing software delivers the world’s highest image 
quality with excellent color and detail. The software comprises all the 
tools required to capture, organize, edit, share and print images for an 
efficient workflow.
The Mamiya 645DF+ camera delivers incredible versatility with support 
for what is arguably the widest array of focal plane and leaf shutter 
lenses on the market. Mamiya Leaf is committed to providing the best 
digital solution for the professional photographer and also ensuring 
the photographer’s freedom of choice regarding lenses, bodies, back, 
software and accessories. 
At Mamiya Leaf we are committed to providing you the best solution for 
professional photography This User Guide covers the Mamiya 645DF+ 
and Leaf Credo series features and functionality. Although this user 
guide is written for the Mamiya 645DF+, many of the procedures apply 
to the Mamiya 645DF as well.
We sincerely hope you enjoy working with this innovative camera 
platform. 
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1.1  Warranty
Please read the warranty certificate found in the Quick Guide. Should 
any problem occur, contact your local dealer (place of purchase) 
to facilitate a repair. Do not try to repair the camera yourself. An 
unauthorized attempt to repair the camera terminates the warranty.
1.2  Installation and Activation of Software
An Internet connection is needed to activate Capture One. 
Install on Mac:
Capture One software includes an easy-to-use installer that installs all the 
software necessary to run the application on Mac OS X 10.5.8 or later.
To install the software, follow the procedure below:
1.  Either install from the CD (included with purchase) or download the 
application from the Mamiya Leaf website: http://www.mamiyaleaf.com.
2.  Open the Capture One disk image.
3.  Read and accept the license agreement presented.
4.  Drag the Capture One icon to the Applications folder.
5.  Open Capture One from your Applications folder.
Install on Windows:
Capture One includes an easy-to-use installer that installs all the  
software you need to run the application on a Windows based computer.
To install the software follow the procedure below:
6.  Either install from the CD (included with purchase) or download the 
 
application from the Mamiya Leaf website:  
http://www.mamiyaleaf.com.
 
 
7.  Run the executable software install file.
8.  Read and accept the license agreement presented.
9.  Follow the on-screen instructions to complete the installation.
Note: Capture One initiates installation of Microsoft® .NET Framework 
3.0 if you don’t already have it installed on your computer.
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