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Updated: List of Canon lenses that Have Limited Compatibility with the Dual Pixel CMOS AF System

Canon has published a list of lenses that have limited compatibility with the 70D's new Dual Pixel CMOS AF system. Here is that list:

EF 14mm f/2.8L USMEF 35-70mm f/3.5-4.5
EF 24mm f/1.4L USMEF 35-70mm f/3.5-4.5A
EF 100mm f/2.8 MacroEF 35-80mm f/4-5.6
EF 400mm f/2.8L USMEF 35-80mm f/4-5.6 PZ
EF 500mm f/4.5L USMEF 35-80mm f/4-5.6 USM
EF 600mm f/4L USMEF 35-80mm f/4-5.6 II
EF 1200mm f/5.6L USMEF 35-80mm f/4-5.6 III
EF 16-35mm f/2.8L USMEF 35-105mm f/3.5-4.5
EF 17-35mm f/2.8L USMEF 35-105mm f/4.5-5.6
EF 20-35mm f/2.8LEF 35-105mm f/4.5-5.6 USM
EF 24-85mm f/3.5-4.5 USMEF 35-135mm f/3.5-4.5
EF 28-70mm f/2.8L USMEF 35-135mm f/4-5.6 USM
EF 28-70mm f/3.5-4.5EF 70-210mm f/3.5-4.5 USM
EF 28-70mm f/3.5-4.5 IIEF 70-210mm f/4
EF 28-80mm f/2.8-4L USMEF 75-300mm f/4-5.6
EF 28-80mm f/3.5-5.6EF 80-200mm f/2.8L
EF 28-80mm f/3.5-5.6 USMEF 80-200mm f/4.5-5.6
EF 28-80mm f/3.5-5.6 IIEF 80-200mm f/4.5-5.6 USM
EF 28-80mm f/3.5-5.6 II USMEF 80-200mm f/4.5-5.6 II
EF 28-80mm f/3.5-5.6 III USMEF 90-300mm f/4.5-5.6
EF 28-80mm f/3.5-5.6 IV USMEF 90-300mm f/4.5-5.6 USM
EF 28-80mm f/3.5-5.6 V USMEF 100-200mm f/4.5A
EF 28-105mm f/3.5-4.5 USMEF 100-300mm f/4.5-5.6 USM
EF 28-105mm f/3.5-4.5 II USMEF 100-300mm f/5.6
EF 28-105mm f/4-5.6EF 100-300mm f/5.6L
EF 28-105mm f/4-5.6 USM 


 
My understanding is that the "limited compatibility" lenses will be able to autofocus in Live View using the more-conventional contrast detection method, but they will not support the new Dual Pixel AF. The reason is likely due to a lack of capability in the lens' CPU.

Posted: 7/2/2013 9:30:05 AM CT   Posted By: Bryan
Posted to: Canon News
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