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Archive 2013 · MFA with EMF AF Confirm Chip explained!
  
 
gschlact
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p.1 #1 · MFA with EMF AF Confirm Chip explained!


This post is meant to finally clarify the MFA (micro focus adjust) procedure for using EMF AF Confirm chip.

I am a digital engineer by training originally. I know it said to enter using scale of 0-31. BUT it was never explained the relationship within the MFA scale for the adapter to actual MFA numbers we are use to (-20 to +20 in Canon). Most people leave their Camera MFA on 0, others seem to emulate the right value or use it as micro-adjustment to the value entered into the Chip.

For EMF chip MFA entry, instructions want you to enter 0-31
...Show more



Feb 22, 2013 at 07:32 PM
egd5
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p.1 #2 · MFA with EMF AF Confirm Chip explained!


Now I know how Penny from "The Big Bang " feels....


Feb 26, 2013 at 02:31 AM
gschlact
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p.1 #3 · MFA with EMF AF Confirm Chip explained!


Egd5-
That's pretty funny. But Sheldon promises this will save you time the next time you MFA with the EMF AF Confirm chip lens adapter ;-))

Guy



Feb 26, 2013 at 03:14 AM





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