For most 40D owners, the issue is simply: What has changed? I took a hard look at Canon’s specifications, press releases, and an early preview, and here’s the scoop:

  • Face Recognition for up to 35 faces (fwd facing)
  • Micro-focus adjustment +/- 20 steps (for up to 20 lenses)
  • Sub-folder capable within storage card
  • Digic IV image processor
  • Adds support for UDMA compact flash cards
  • Switchable shooting grids in LV
  • Contrast detect AF in Live View (added to 40D’s blank LV, focus, return)
  • New high precision center AF cross point with diagonals to ƒ/2.8
  • Histogram display in live view [not implemented in prototypes]
  • New OVF icon “Auto Lighting Optimizer”
  • High speed noise reduction: Off + three levels of CRUSH
  • HDMI video output (std video as well, same as 40D)
  • In-camera lens database [supports focus differences, vignette, etc]
  • 15 megapixel (from 40D’s 10.1 MP)
  • Anti-vignette (JPEG only, or PP via DPP)
  • 3200 ISO (from 40D’s 1600)
  • “Pushed” 6400 and 12800 ISO (from 40D’s 3200)
  • Auto-ISO 100-1600 (from 40D’s 400-800)
  • “Print” button now fires up live view
  • Improved body integrity, seals
  • Fluorine added to dust removal system for efficiency
  • 640×480 LCD (from 40D’s 320×240)
  • Anti-reflection treatment on LCD
  • Shooting mode dial is now silver
  • Creative-AUTO (plain English adjust) mode added (C3 removed)
  • Configurable “Func” button added (Jump button removed)
  • About 10 grams lighter
  • Adds the following menu languages: Czech, Hungarian, Romanian, Ukrainian, Turkish, Arabic and Thai