With some EF lenses, it takes long to achieve focus in AF. Or correct focus may not be achieved (EOS M3)

Article ID: ART162309 | Date published: 09/17/2015 | Date last updated: 09/17/2015


With some EF lenses, it takes long to achieve focus in AF. Or correct focus may not be achieved (EOS M3)


With the EF lenses listed below, it may take longer to achieve focus, or correct focus may not be achieved.

Product nameRemarks
EF50mm f/1.4 USM
EF50mm f/1.8 II
EF50mm f/2.5 Compact Macro
EF75-300mm f/4-5.6 III
EF75-300mm f/4-5.6 III USM
EF100mm f/2.8 Macro USM
EF15mm f/2.8 FisheyeProduction ended*
EF-S18-55mm f/3.5-5.6Production ended*
EF-S18-55mm f/3.5-5.6 IIProduction ended*
EF-S18-55mm f/3.5-5.6 USMProduction ended*
EF-S18-55mm f/3.5-5.6 II USMProduction ended*
EF20-35mm f/2.8LProduction ended*
EF22-55mm f/4-5.6 USMProduction ended*
EF24mm f/2.8Production ended*
EF28mm f/2.8Production ended*
EF28-70mm f/3.5-4.5Production ended*
EF28-70mm f/3.5-4.5 IIProduction ended*
EF28-80mm f/3.5-5.6Production ended*
EF28-80mm f/3.5-5.6IIProduction ended*
EF28-80mm f/3.5-5.6 II USMProduction ended*
EF28-80mm f/3.5-5.6 III USMProduction ended*
EF28-80mm f/3.5-5.6 IV USMProduction ended*
EF28-80mm f/3.5-5.6 V USMProduction ended*
EF28-90mm f/4-5.6Production ended*
EF28-90mm f/4-5.6 IIProduction ended*
EF28-90mm f/4-5.6 IIIProduction ended*
EF28-90mm f/4-5.6 USMProduction ended*
EF28-90mm f/4-5.6 II USMProduction ended*
EF28-105mm f/4-5.6Production ended*
EF28-105mm f/4-5.6 USMProduction ended*
EF28-200mm f/3.5-5.6Production ended*
EF28-200mm f/3.5-5.6 USMProduction ended*
EF35mm f/2Production ended*
EF35-70mm f/3.5-4.5Production ended*
EF35-70mm f/3.5-4.5AProduction ended*
EF35-80mm f/4-5.6Production ended*
EF35-80mm f/4-5.6 IIProduction ended*
EF35-80mm f/4-5.6 IIIProduction ended*
EF35-80mm f/4-5.6 USMProduction ended*
EF35-80mm f/4-5.6 PZProduction ended*
EF35-105mm f/3.5-4.5Production ended*
EF35-105mm f/4.5-5.6Production ended*
EF35-105mm f/4.5-5.6 USMProduction ended*
EF35-135mm f/3.5-4.5Production ended*
EF38-76mm f/4.5-5.6Production ended*
EF50mm f/1.8Production ended*
EF50-200mm f/3.5-4.5Production ended*
EF50-200mm f/3.5-4.5LProduction ended*
EF55-200mm f/4.5-5.6 USMProduction ended*
EF55-200mm f/4.5-5.6 II USMProduction ended*
EF70-210mm f/4Production ended*
EF75-300mm f/4-5.6Production ended*
EF75-300mm f/4-5.6 IIProduction ended*
EF75-300mm f/4-5.6 USMProduction ended*
EF75-300mm f/4-5.6 II USMProduction ended*
EF75-300mm f/4-5.6 IS USMProduction ended*
EF80-200mm f/2.8LProduction ended*
EF80-200mm f/4.5-5.6Production ended*
EF80-200mm f/4.5-5.6 IIProduction ended*
EF80-200mm f/4.5-5.6 USMProduction ended*
EF90-300mm f/4.5-5.6Production ended*
EF90-300mm f/4.5-5.6 USMProduction ended*
EF100mm f/2.8 MacroProduction ended*
EF100-200mm f/4.5AProduction ended*
EF100-300mm f/5.6Production ended*
EF100-300mm f/5.6LProduction ended*
EF135mm f/2.8 Soft FocusProduction ended*
EF400mm f/2.8L USMProduction ended*
*As of February, 2015



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