User manual
Mamiya Leaf Credo 50 Digital Back

User Manual for Mamiya Leaf Credo 50 Digital Back Kit with 645DF Medium Format DSLR and 80mm f 2.8 LS AF Lens

• Product category: Medium Format Cameras Mamiya Leaf
• Brand: Mamiya Leaf
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Mamiya Leaf Medium Format Cameras

Product description

• Credo 50 Digital Back (Mamiya 645 Mount) Combining a revised sensor design with tested functionality, the Credo 50 Digital Back from Mamiya Leaf houses a 44 x 33mm CMOS sensor for exceptionally detailed, color-accurate, low-noise images. Its CMOS design enables notable low-light sensitivity, from ISO 100-6400, as well as a quickened 1.2 fps continuous shooting rate. Additionally, this sensor design also avails an expansive 14-stop dynamic range with 14-bit color depth for well-detailed imagery with a broad range of colors and tones. Its 3.2" touchscreen LCD provides accurate verification of color, shadow detail, and focus, and the bright 1.15m-dot screen with 170° viewing angle allows for improved viewing in challenging light. Its intuitive graphical user interface means more efficient browsing and smart navigation, and the touch screen controls extend beyond the LCD to keep the viewing area clean of fingerprints and smudges. Offered here with a Mamiya 645 interface, this digital back is a versatile and high-resolution digital back for working with medium format camera bodies, as well as with view cameras or other systems using optional adapter plates.
  
  A dual-core microprocessor and the latest CF technology provides fast capture and viewing rates, and USB 3.0 and FireWire 800 technology offers rapid transfer speeds. An internal battery charger keeps you ready to work un-tethered and the brilliant LCD with live view allows for clear focus and composition on the go. The Credo back also collaborates with Capture One workflow software to seamlessly edit, enhance, and present images, and with Capture Pilot, you can immediately preview images with an iPhone or iPad and remotely control your camera. Weather-sealed construction offers peace of mind when shooting in less than optimal conditions.
  50 Megapixel CMOS Sensor
  • Featuring a 50MP 44 x 33mm CMOS sensor, this Credo back avails high sensitivity to ISO 6400, along with 14-stop dynamic range and 14-bit color depth, with minimum noise levels. The CMOS sensor structure pairs with a dual-core microprocessor to also enable a quick continuous shooting rate of 1.2 fps, a top shutter speed of 1/10,000 sec., and long exposure capabilities up to 60 minutes.
  3.2" Touchscreen LCD
  • For image review and menu navigation, a large 3.2" 1.15m-dot touchscreen LCD is available, which is also aided by the CMOS sensor design for live view monitoring with fast refresh rates and low noise for intuitive viewing in a variety of lighting conditions. The touchscreen's color gamut is able to reproduce up to 16 million colors, for accurate image confirmation on location, and its viewing angle is 170° for clear viewing from different positions. Additionally, the touchscreen design extends beyond the LCD itself, which permits image adjustments without blocking your view or smudging your screen.
    
    The LCD also affords a range of features designed to benefit both location and studio photographers, including an on-screen stop watch for long exposures, a bi-directional spirit level, star ratings during image review to help save time during post-production, and precise image magnification for critical focus checking when working tethered or un-tethered.
  Interface Design
  • Well-suited to both location and studio photographers, the Credo 50 avails a variety of interface and file saving options for working in both tethered and un-tethered configurations. Both FireWire 800 and USB 3.0 connections are available for tethered applications, and one card slot is available to accept UDMA interface CompactFlash memory cards.
    
    The Credo backs are compatible with a wide array of medium and large format cameras and adapters and, specifically, this back is fitted with a Mamiya 645 interface mount.
  Other Features
  • • Benefitting its use in trying conditions, the back is weather-sealed to resist dust and moisture.
    • The back accepts the included 3400mAh lithium-ion battery and has an internal battery charger, allowing you to transition seamlessly between tethered and un-tethered shooting configurations.
    • Language support: English, Chinese, French, German, Italian, Japanese, Spanish, and Russian.
• 645DF+ Medium Format DSLR Camera (Body Only) The Mamiya 645DF+ Medium Format DSLR Camera Body is an open platform, digital medium format camera that that can use a digital back with an image area much larger than standard 35mm, leading to increased image quality. The camera is compatible with multiple brands of digital backs, including Leaf, Hasselblad, and Phase One, due to its open platform design. It also works with Mamiya focal plane lenses, Schneider-Kreuznach leaf shutter lenses, Mamiya 645 AFD lenses, and Hasselblad V lenses.
  
  While using leaf shutter lenses it is possible to reach a flash sync speed of 1/1600 second, and with the focal plane shutter it will sync at 1/125 second. Additionally, the camera features 1st and 2nd curtain synchronization along with an X-sync terminal and support for TTL flash metering.
  
  The 645DF+ features improved autofocusing system with phase-difference detection and 3 focus points. An infrared AF-assist beam will ensure accuracy even in poor lighting conditions. It also features a custom adjustment feature that allows you to fine-tune the alignment of the body to the back to match your focusing needs.
  
  Customization is emphasized in this model. It features an interchangeable focusing screen and allows for 3 custom dial modes for preferred capture settings. It also features 36 custom settings and programmable dials and buttons.
  • Two autofocus modes, Speed Mode and Accuracy Modes
  • Average, spot, and auto TTL metering modes
  • Shutter can reach speeds of up to 2 frames per second
  • Focus confirmation in manual mode
  • Exposure compensation from -5 to +5 EV
  • Electronic terminal or screw-in cable release for remote triggering
  • Flips mirror up with electronically-activated switch on grip
  • Fixed prism viewfinder with exchangeable diopter from -5 to +3
  • Runs on a rechargeable lithium-ion battery pack, 6 AA batteries, an external battery pack, or an external AC adapter
  • Compatible with tripods with 1/4"-20 and 3/8"-16 screws
  • Battery charger features a worldwide 100-240V AC power adapter and will charge the battery in approximately 5 hours
• Schneider Kreuznach 80mm f/2.8 LS AF Lens A versatile normal-length prime, the Schneider Kreuznach 80mm f/2.8 LS AF Lens from Mamiya Leaf provides a 35mm-equivalent focal length of 50mm when used with Credo 80/60 digital backs, or 63mm with Credo 50/40 digital backs. The integrated leaf shutter offers precise shutter speed control and enables flash synchronization at speeds up to 1/1600 sec.
  
  The normal focal length is ideal for portraiture and lifestyle photography, as well as nature and landscape photography due to the minimal vibration caused by the leaf shutter. A rear ring permits quick switching between autofocus and manual focus and an integrated depth of field scale facilitates easy setting of hyperfocal focus positions.
  • Designed for 645 AF-mount camera bodies.
  • Normal-length prime is ideal for a wide variety of applications, including portraiture, lifestyle, and landscape photography.
  • When used on a Credo 80/60 digital back, the lens will provide a 35mm-equivalent focal length of 50mm. When used on a Credo 50/40 digital back, the equivalent focal length will be 63mm.
  • Leaf shutter affords flash sync at shutter speeds up to 1/1600 sec.
  • Dedicated control ring allows fast switching between auto and manual focus positions.
  UPC: 852547702493

• Rechargeable Lithium-Ion Battery (3400mAh)

• Fast Charger for Credo Battery with Power Supply

• FireWire 800 to 800 Cable (4.5m) for Credo Digital Backs

• USB 3.0 Cable (3m) for Credo Digital Backs

• Limited 1-Year Warranty

• Standard Blank Focusing Screen

• AA Battery Magazine

• Lithium-Ion Rechargeable Battery

• Battery Charger

• Limited 1-Year Warranty

• Front and Rear Lens Caps

• Lens Hood

• Limited 1-Year Warranty

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Technical parameters

• Credo 50 Digital Back (Mamiya 645 Mount)

  Imaging Sensor	CMOS; 44 x 33 mm
  Effective Resolution	50 MP
  Aspect Ratio	4:3
  Pixel Size	5.3 µ
  Color Depth	14-bit (16,384 levels per channel)
  Dynamic Range	14 stops
  Image File Formats	RAW, TIFF
  Recorded Resolution	8280 x 6208
  File Size	RAW (large): 50 MB RAW (small): 33 MB
  Output Image Resolution	300 dpi: 27.6 x 20.7" / 70.1 x 52.6 cm 600 dpi: 13.8 x 10.4" / 35.0 x 26.3 cm
  Sensitivity	ISO 100-6400
  Exposure Time	1/10,000 sec. to 60 min.
  Capture Rate	1.2 fps
  LCD Display	3.2" 1.15m-dot touchscreen LCD 170° viewing angle
  Computer Interface	FireWire 800, USB 3.0, USB 2.0
  Storage	1x CompactFlash slot, supports UDMA 6 and UDMA 7
  Power Source	Rechargeable lithium-ion battery (3400 mAh)
  Compatible Cameras	Mamiya 645 mount
  Operating Conditions	32-104°F / 0-40°C 15-80% humidity (non-condensing)
  Certifications	FCC (A), CE, RoHS
  Dimensions	Not specified by manufacturer
  Weight	Not specified by manufacturer

  Box Dimensions (LxWxH)	18.425 x 13.386 x 6.221"

• 645DF+ Medium Format DSLR Camera (Body Only)

  Camera Type	Medium-format DSLR camera
  Image Area Size	56 x 41.5 mm (actual image)
  Lens Mount	Mamiya 645

  Shutter Speed	1/4000 sec - 60 min
  Exposure Modes	Aperture priority AE Shutter speed priority AE Program AE Manual Bulb Time
  Metering Options	TTL Metering: Center-weighted average, spot, or automatic
  Exposure Compensation	-5 to +5 EV

  Focus Type	Phase-difference autofocus with 3 focus points
  Focusing Screen	Interchangeable: Matte, checker, or sensor crop

  External Flash Connection	X sync terminal
  Maximum Flash Synchronization Speed	Focal Plane Shutter: 1/125 sec Leaf Shutter Lenses: 1/1600 sec
  Flash Control	Automatic TTL control

  Power Options	Rechargeable Li-ion battery 6 x AA batteries (alkaline, lithium-ion, Ni-MH, Ni-Cd) External AC adapter
  Charger	Battery Charger: 100-240 V AC

  Tripod Socket	1/4"-20 and 3/8"-16
  Dimensions	6.0 x 5.0 x 6.0" (153.0 x 128.0 x 152.0 mm)
  Weight	35 oz (1030 g)

  Box Dimensions (LxWxH)	11.6 x 8.3 x 7.9"

• Schneider Kreuznach 80mm f/2.8 LS AF Lens

  Focal Length	80 mm
  Aperture	Maximum: f/2.8 Minimum: f/22
  Camera Mount	Mamiya 645 AF
  Angle of View @ Infinity	47°
  Minimum Focus Distance	2.3' / 70 cm
  Shutter Type	Leaf
  Flash Synchronization	Shutter Speed up to 1/1600
  DOF Scale	Yes
  Autofocus	Yes
  Filter Thread	Front: 72 mm
  Dimensions	Approx. 3.40 x 2.70" (86.36 x 68.58 mm)
  Weight	1.10 lb / 499.00 g

  Box Dimensions (LxWxH)	9.1 x 7.5 x 7.4"

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