1. 

   Bill Boman New Member

   Joined:

   Sep 27, 2020

   Messages:

   13

   Location:

   HAYWARD CA.

   Equipment:

   5D MARK IV, 24-70 MM F2.8 L . 70-200 MM II F4L , 16-35 MM F4 L , 50MM F1.4 , 100 MM MACRO F2.8 L

   Is there any use in getting a 2x 111 extender for a 70-200 f4 ii ?
   Have 5DM4. Will AF still work ?
   Thanks

    

   Bill Boman, Apr 29, 2022

   #1


2. 

   johnsey Site Moderator Staff Member Site Supporter

   Joined:

   Apr 21, 2017

   Messages:

   2,257

   Location:

   Fargo, ND

   Equipment:

   5dMk4, 5dsR, 5dMk2, 20D, 70-200 2.8L IS, 100mm 2.8 Macro USM, 50mm 1.4, 85mm 1.8, 17-40mm 4.0L, TS-E 24mm 3.5L II, Rokinon 14mm 2.8; Pixma Pro-100

   Yes it should, it may not be as snappy as you would like since its effectively f8, https://shuttermuse.com/canon-cameras-autofocus-extenders-f8-aperture/

    

   johnsey, Apr 29, 2022

   #2

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