With some EF lenses, it takes long to achieve focus in AF. Or correct focus may not be achieved (EOS M)
Article ID: ART137913 | Date published: 05/13/2015 | Date last updated: 08/15/2015
 

Description

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

Solution

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


SIMS Doc Id

8201705900