review of canon eos 40d

   
       
         
 

Lenses:
• Canon EF / EF-S lens mount
• 1.6x field of view crop


Dust reduction:
• "EOS Integrated Cleaning System"
• Self-cleaning sensor unit (filter in front of sensor vibrates at high frequency at start-up and shutdown - can be disabled)
• Dust Delete Data - Data from a test shot is used to 'map' dust spots and can be later removed using Canon DPP Software


Auto focus:
• 9-point TTL CMOS sensor
• All points cross-type for lenses of F5.6 or faster *
• Center point additionally sensitive with lenses of F2.8 or faster *
• AF working range: -0.5 - 18 EV (at 23°C, ISO 100)

 
   

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