Camera Reviews
by Brad Soo on October 21 2009

The second of our three part series about the Canon EOS 1D Mark IV is a comparison of the EOS 1D Mark IV versus its predecessor, the old EOS 1D Mark III. The Canon EOS 1D Mark IV brings several minor improvements as well as two big new features: the new 16 megapixel CMOS sensor and improved AF system. I’ve compiled all the changes into the handy table below:

DPInterface Canon EOS 1D Mark IV feature set vs EOS 1D Mark III

Brad Soo – October 21st, 2009

Difference Canon EOS 1D Mark III Canon EOS 1D Mark IV
Sensor size 28.1 x 18.7 mm, APS-H 27.9 x 18.6 mm, APS-H
Crop factor APS-H at 1.3X APS-H at 1.3X
Resolution 10.1 megapixels 16.1 megapixels
JPEG choices 10.0 MP at 3888 x 2592
8.0 MP at 3456 x 2304
5.3 MP at 2815 x 1880
2.5 MP at 1936 x 1288
16.0 MP at 4896 x 3264
12.4 MP at 4320 x 2880
8.4 MP at 3552 x 2368
4.0 MP at 2448 x 1632
RAW mode Full res 10 MP at 3888 x 2592
sRAW 2.5 MP at 1936 x 1288
Full res 16.0 MP at 4896 x 3264
mRAW 9.0 MP at 3672 x 2448
sRAW 4.0 MP at 2448 x 1632
Card slots Compact Flash Type I/II and SD/SDHC Compact Flash Type I/II and SD/SDHC
UDMA Advantage No advantage UDMA Mode 6
LCD screen 3.0 inch (230k pixels) 3.0 inch (920k pixels)
LCD brightness adjustment Inside camera menu Illumination button
Viewfinder
specifications
100% coverage, 0.76x magnification
20 mm eyepoint
100% coverage, 0.76x magnification
20 mm eyepoint
AF system 45 AF points
19 cross-type points
26 assist points
45 AF points
39 cross-type points
6 assist points
AF point autorotation No Yes
ISO range
Max ISO range
100 – 3200
50 – 6400 with expansion
100 – 12800
50 – 102,400 with expansion
Burst mode 10 FPS at 10 megapixels
110 JPEG shots
30 RAW shots
22 RAW+JPEG mode
10 FPS at 16 megapixels
121 JPEG shots
28 RAW shots
20 RAW+JPEG mode
Custom Functions 57 62
Movie mode None 1080p Full HD with sound
Movie resolution/frame rates selectable
Battery life (viewfinder) 2,200 shots in normal conditions
1,700 shots at freezing point
1,500 shots in normal conditions
1,200 shots at freezing point
Dimensions 156.0 x 156.6 x 79.9 mm/6.1 x 6.2 x 3.1 inches 156.0 x 156.6 x 79.9 mm/6.1 x 6.2 x 3.1 inches
Weight
Empty
With battery
1,115 g/40.7 oz 1,180 g/41.6 oz

To summarize, the Canon EOS 1D Mark IV is more than just a ‘tiny’ update compared to the EOS 1D Mark III. As I mentioned, there are huge improvements in the AF department as well as certain aspects of imaging (burst, resolution, ISO). Head on to theCanon EOS 1D Mark IV preview for more about the camera.

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3 Comments

  1. Tororo October 29, 2009 Reply

    Hi I think Canon lV is very good !

    • Brad October 29, 2009 Reply

      You’re right, it’s a fantastic camera to use and I look forward to posting my review on it in the future once there is a production level unit.

  2. Alan Nielsen November 18, 2009 Reply

    It looks great on paper, can’t wait to try it out.

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