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| p.1 #4 · AF Fine tune 'default' versus 'saved' value |
Hmmm... that's interesting. But if I am thinking clearly, this technique of using the different scales is only useful if all of your lenses are off the same amount?
It's useful when you want to apply the same adjustment to all lenses which you haven't entered a lens-specific adjustment value for. Again, for misalignments caused by the body itself.
In her example (a,b) she changed nothing but the default value from -15 to +15 and noticed an ~8" change in focus plane. When she went to (c,d) she kept this default value but left the saved value at 0 and noticed no difference between -15default and +15default.
So I am confused what the default value does if it doesn't change anything when AF fine tune is active?
For C,D she changed the default value while the lens-specific value was active, which produced no change. This is expected and I presume the experiment was done to just verify that the default value has no affect on lenses with saved values.