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photo:digital_backs

digital backs for medium format cameras

introduction

  • many digital backs for medium format cameras can be used on a number of medium format cameras either as dedicated camera backs or via adapters - usually based on the Hasselblad V 6x6 manual focus medium format camera system - see chronology for older digital backs for medium format cameras
  • Note that ONLY the H1D and H2D of the Hasselblad H series can be used with 3rd party backs as Hasselblad has now created a closed system with its later digital only models which can only used the Hasselblad back.
  • the main manufacturers of current digital backs are:
  • note: depending on the sensor size, they usually have a crop factor for 6×4.5 camera lenses which have a film area of 56mm x 41.5mm:
    • 37x37mm sensor = 1.5x crop thus a 40mm wide angle becomes 60mm effective medium format lens
    • 43x32mm sensor = 1.3x crop
    • 48x36mm sensor = 1.17x crop (ie. twice the area of 35mm full frame)

evolution of digital backs for medium format cameras

digital backs for Mamiya / Phase One

Leaf Credo range

  • introduced in 2012
  • 1.1mp touch screen, Live View for accurate manual focus without requiring it to be tethered to a laptop, bidirectional electronic levels and Firewire/USB3.0 interfaces
  • 40mp 32.9 x 43.9mm 6 micron sensor, 1.2fps = $20,000
  • 50mp 40.4 x 53.0mm 6 micron sensr, 1fps = $32,000
  • 80mp 40.4 x 53.0mm 5.2 micron sensor, 0.7fps = $39,000

Leaf Aptus II range

  • introduced in 2011?
  • 16bit 12 stop dynamic range
  • 3.5“ touch screen live view
  • 1/10,000th sec to 30sec shutter
  • max. ISO 800 (400 on the 22mp model)
  • 22mp to 80mp models with varying sensor dimensions, ISO range and burst rates
  • CF cards or tethered via Firewire but no USB?

Phase One IQ range

  • much better screen and user interface than the P+ backs, and dynamic range has been increased to 12.5 stops
  • 3.2” touch screen (with Live View in firmware upgrade BUT in bright daylight one will have to attach a variable ND filter when setting up with Live View, as Full Frame CCD sensors overload on too bright light when run continuously)
  • FireWire800 and USB3
  • tethered live view
  • the first Phase One backs that can be updated directly by the user
  • 2011 range
  • IQ140:
    • 32.9 x 43.9mm (1.3x 645 crop factor), 6 micron, 40mp 16 bit Opticolor, 12.5 stops dynamic range, dynamic and lens technology
    • 1/10,000th - 60sec shutter, 1.2fps, 50-800ISO, 1Gb buffer
    • 3.2“ 1.15mp touch screen
  • IQ160:
    • 40.4 x 53.7mm (1.0x 645 crop factor), 6 micron, 60.5mp 16 bit Opticolor, 12.5 stops dynamic range, dynamic and lens technology
    • 1/10,000th - 60sec shutter, 1fps, 50-800ISO, 1Gb buffer
    • 3.2” 1.15mp touch screen
  • IQ180:
    • 40.4 x 53.9mm (1.0x 645 crop factor), 5.2 micron, 80mp 16 bit Opticolor, 12.5 stops dynamic range, dynamic and lens technology
    • 1/10,000th - 120sec shutter, 0.7fps, 35-800ISO, 1Gb buffer
    • 60mp 1:1 square aspect ratio mode
    • 3.2“ 1.15mp touch screen

Phase One P+ range

  • series introduced in 2007 except P65+ in 2008 and P40+ in 2009
  • Firewire400
  • no live view, no touch screen
  • P40+:
    • 32.9 x 43.9mm (1.3x 645 crop factor), 6 micron, 40mp 16 bit Opticolor
    • 1/10,000th - 60sec shutter, 1.2fps, 50-800ISO, 1.3Gb buffer
    • 2.2” 230K pixel LCD no live view, no touch screen
  • P45+:
    • 36.8 x 49.1mm (1.1x 645 crop factor), 6.8 micron, 39mp 16 bit Opticolor, 12 f-stops, dynamic and lens technology
    • 1/10,000th - 60sec shutter, 0.67fps, 50-800 ISO, 640Mb buffer
    • 2.2“ 230K pixel LCD no live view, no touch screen
  • P65+:
    • 40.4 x 53.9mm (1.0x 645 crop factor), 6 micron, 60mp 16 bit Opticolor
    • 1/10,000th - 60sec shutter, 1.2fps, 50-800ISO, 1.3Gb buffer
    • 2.2” 230K pixel LCD no live view, no touch screen

Phase One Achromatic+

  • dedicated B&W digital back without a Bayer colour filter in the sensor design
  • 39mp (2012)
  • 2 versions - with or without IR cutoff filter

Phase One P series

  • 16 (P20) -39mp (P45) backs introduced in 2004/2005
  • 116,000px 2.2“ screens
  • CF and Firewire400

Sinar eVolution

  • use adapters which easily allow these backs to be mounted on almost any desired camera platform
  • eVolution 86H:
    • 48 x 36mm Dalsa 48.8mp 16 bit sensor
    • 1/10,000th - 32sec shutter; ISO 50-800; 13 shots /minute
    • Firewire800 to Mac tethered shooting
    • no display, no storage
    • active cooling
    • CHF 24.800,00

current Hasselblad digital backs for Hasselblad V system

Hasselblad CFV II 50C

  • announced June 2019
  • 50mp digital back with tilting touch screen control and USB-C
  • designed for most Hblad V system cameras plus their new 907X “camera” which allows access to most Hblad series lenses via lens adapters

Hasselblad CFV-50

  • 2010 model
  • 50mp almost double 35mm full frame sensor size
  • cable-free operation and optimized integration between back, body and lens
  • Hasselblad's DAC lens correction technology for most of the V-System Carl Zeiss lenses - DAC completely corrects for distortion, lateral chromatic aberration and vignetting in exactly the same way as it does for the H-System lenses
  • Hasselblad Natural Color Solution
  • square and horizontal format options
  • CF card or tethered
  • 11,990 Euro (+tax)

Hasselblad CFV-39

  • 2009 model
  • 39mp 36.7×49.0 mm sensor, 6.8micron, 16bit, 0.7fps
  • ISO 50-800; CF or tethered;
  • 2.5” TFT display;

Hasselblad CFV-16

  • 16mp
photo/digital_backs.txt · Last modified: 2019/06/22 07:41 by gary1