Overall Rating:


Canon EOS-1D Mark IV

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Price as Reviewed:


Canon’s EOS-1D Mark III failed to impress some professional photographers, but perhaps the new 16.1-million-pixel Canon EOS-1D Mark IV version will regain their confidence

Continuous shooting

Image: This sequence of consecutive images is an extract from a series of 19 taken at 10fps. The AF system kept the player in white perfectly sharp in all but one shot

Like the camera it replaces, the EOS-1D Mark IV has a top continuous shooting rate of 10fps. This is made possible by the two Digic 4 image processors, eight-channel signal readout, DDR2 SDRAM buffer memory, a twin motor system (one for cocking the mirror and the other for shutter cocking), and an active mirror stopper to suppress mirror-bounce and maintain a steady viewfinder image.

With a UDMA (90MBs or 600x) CompactFlash card installed, I found that the 121 maximum burst depth for large JPEG files quoted by Canon is reasonably conservative and I was able to record more than 250 highest quality, large JPEG images, and even 289 on one occasion. However, I was only able to shoot nine raw files before the camera faltered.

Shooting in excess of 280 images involves holding the shutter-release button down for around 28 seconds. During this test I found that even when shooting the action of a football match, I only shot continuously in bursts of 5secs or less, but it’s good to have the option to shoot more. Photographers shooting athletics events, for example, may appreciate the ability to record entire 100m
and 200m events.

Although I am sure the sound of the EOS-1D Mark IV firing continuously would alert a nearby deer to a photographer’s presence, the mirror-movement dampening is much better than that in the Sony Alpha 900.

  • Dioptre Adjustment: -3 to +1 dioptre
  • White Balance: Auto, 6 presets, plus 5 custom and Kelvin settings (2,500-10,000K)
  • Built-in Flash: No
  • Shutter Type: Electronically controlled focal-plane
  • Memory Card: CF and SD/SDHC (not SDXC)
  • Viewfinder Type: Optical
  • Output Size: 4896x3264 pixels
  • LCD: 3in, 920,000 dots (307,000 pixels)
  • Field of View: Approx 100% with 0.76x magnification and 20mm eye-point
  • AF Points: Reflex mode: 45 automatically or manually selectable points. Live View mode: 45-point phase detection in Quick mode or single vari-zone selection contrast detection in Live Mode; face detection
  • White Balance Bracket: 3 exposures with blue/amber & magenta/green adjustment
  • Sensor: CMOS sensor with 16.1 million effective pixels
  • Max Flash Sync: 1/300sec with EOS-dedicated external Speedlite flashgun
  • Focal Length Mag: 1.3x
  • Exposure Modes: PASM
  • Weight: 1,180g (without battery or card/s)
  • Power: Rechargeable Li-Ion LP-E4 battery (supplied)
  • File Format: Raw, S-raw (4MP), M-raw (9MP) JPEG, raw (any size) and JPEG simultaneously
  • Drive Mode: Single, high-speed continuous, low-speed continuous, self-timer (2sec or 10sec delay), silent single shooting, mirror lock-up
  • Shutter Speeds: 60-1/8000sec in 1⁄3 steps plus bulb
  • Colour Space: Adobe RGB, sRGB
  • Exposure Comp: ±3EV in 1⁄3 or 1/2EV steps
  • RRP: £4,799.99
  • Lens Mount: EF
  • ISO: ISO 100-12,800 in 1/3EV or 1EV steps, expandable to include L1 (ISO 50), H1 (ISO 25,600), H2 (ISO 52,600) and H3 (ISO 102,400)
  • Focusing Modes: Manual, one-shot, AI Servo (continuous) AF
  • DoF Preview: Yes
  • Dimensions: 156x156.6x79.9mm
  • Metering System: 63-zone evaluative, centreweighted, spot (3.8%) and partial (13.5%)
  • Connectivity / Interface: USB 2.0 Hi-Speed/HDMI
  • Compression: 10-stage JPEG
  • Tested as: Professional - level DSLR

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