Autofocus on 5DM4 with 100-400mm and 2xMult

Discussion in 'Beginner Questions' started by Eral66, Dec 3, 2021.

  1. Eral66

    Eral66 New Member

    Joined:
    Dec 3, 2021
    Messages:
    1
    Location:
    Santa Clara, CA
    Equipment:
    60D, 5DM4, 17-40, 24-105, 70-200, 100-400, 2xM3
    Hi,

    I do not understand why autofocus works in live mode, but not with the view finder. Fw v1.3.3.

    Thank you.
     
    Eral66, Dec 3, 2021
    #1

  2. John L

    John L Active Member

    Joined:
    Jul 10, 2019
    Messages:
    237
    I am open to correction, but I think that the viewfinder and live view use different focussing technologies.
     
    John L, Dec 3, 2021
    #2

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