Microfocus Adjustment

I have been doing a number of tests, on the D800E, to determine the micro focus settings for various lenses. I have used both FocusTune and FoCal software for these tests. The results are presented below.

All tests were performed at a distance of approx. 50X Focal Length.

Nikon 14-24mm, f/2.8 @f/2.8, 14mm

FocusTune, recommended -5

FoCal, recommended -7

Nikon 14-24mm, f/2.8 @f/2.8, 24mm

FocusTune, recommended -10

FoCal, recommended -15

Based on these results, I picked -10 as a compromise MFA


Nikon 24-70mm f/2.8 @f/2.8 24mm

FocusTune, recommended -5

FoCal, recommended -17

Big difference!

Nikon 24-70mm f/2.8 @f/2.8 70mm

FocusTune, recommended -15

FoCal, recommended -19

Based on these (variable) results, I picked -17 - not happy, may test again (maybe -10 is the better compromise?)


Nikon 50mm f/1.8 @f/1.8

FocusTune, recommended 0

FoCal, recommended -3

Based on these results, I picked -3

I also did the test on my 70-200mm f/2.8 @ f/2.8 using FocusTune

Nikon 70-200mm f/2.8 @f/2.8, 70mm. recommended -10

Nikon 70-200mm f/2.8 @f/2.8 200mm, recommended -10

based on these results, I picked -10