Canon EOS 1D Mark III Review: Main Points

Verdict

The Canon EOS 1D Mark III is a precision tool aimed squarely at professional sports, wildlife, and press photographers. While its US$6,499 price tag is steep, its performance and versatility make it one of the most capable DSLRs of its era.

Design and Ergonomics

• Robust magnesium-alloy shell designed to withstand harsh conditions

• Redesigned neck strap for improved comfort

• Three-inch LCD for larger, clearer image review

• Weight-saving battery and refined grip shape enhance handling

Controls and Customisation

• Reduced the number of buttons for a cleaner layout

  
  

• Single-button plus dial operation replaces two-button system

• Dedicated ISO button for one-handed adjustments

• Playback button positioned near the screen for quick histogram and sharpness checks

• My Menu stores favourite menu options; three banks of custom-function settings

Autofocus System

• Fast, precise AF with 19 focus points and configurable inner/outer point rings

• Customizable AI Servo tracking sensitivity and priority modes (tracking, speed, shutter)

• Focus-point return function assignable to multi-controller

• Requires some acclimatisation for those new to Canon’s high-end bodies

Shooting Performance

• Maximum continuous shooting rate of 10 frames per second

• Customizable high and low drive speeds to conserve the buffer or battery

• New “S” (silent) single-shot mode for quieter operation

Live View and LCD Features

• First pro-level Canon DSLR to offer Live View

• Mirror-lockup architecture enables live composition on the rear screen

• Manual-focus assistance with 5× and 10× image magnification

• Grid overlay helps framing at awkward angles

• Shadow noise becomes noticeable at very high ISOs and long exposures

Image Quality

• Exceptionally clean RAW files at ISO 100–400

• ISO 1600 delivers usable, low-noise images in challenging light

• Detail and dynamic range support aggressive processing and cropping

• RAW shooting unlocks full sensor capabilities

Pros and Cons

Pros

• Thoughtful ergonomic and control updates

• Jaw-dropping image quality across the ISO range

• Versatile AF system and high burst rate

Cons

• Very expensive, especially for small studios or enthusiasts

• Live View autofocus is limited to manual focus

• Vertical-shooting controls less ergonomic than competitors