conurus

[Barth]

I'm trying to update microfocus adjustment at close focus on this lens: 12720319

Step one says to set the camera at f/22, lens at f/8.

I presume that because the lens' max aperture is f/16, the camera (5d Mark II) will not allow a setting of f/22.

I've tried f/16, but I get no "blinks" or confirmed settings, and shots do not show adjustment.

Any advice?


UPDATE:

Never mind. I used the camera body to make the changes. Much easier.

[Timon]

Hi Conurus, is this method to adjust the lens in the lens itself more effective than using the AF adjustments in my 5d Mark ii?

[conurus]

Storing the AF microadjustment in the lens instead of the camera has the following advantages

• you may store different adjustments for different zoom positions (for a zoom lens).
  
• you may store different adjustments for infinity and closest focusing distance.
  
• you may store a larger value (e.g. +3 then is possible with the camera body's adjustment.
  

The disadvantage is that in-lens AF microadjustment is more difficult to use.

[Timon]

Thanks. I have another question...I'm trying to adjust my NAM-1 adapter...if I set the adjustment to +20 and then to +5, does that adjust my lens to +25, or does the +5 override my +20 (and the adjustment is now just +5)?