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| p.1 #1 · Question about results from Dot Tune AF adjusting |
I had the chance yesterday to get my new 7100 and 500 and tcs out to do some AF testing. I was expecting excellent results from the bare 500, pretty good results from the 1.4x combo and mediocre results from the 1.7x combo. Much to my surprise, they're all very good to my eye.
When I did the DT AF method, rather than shooting a chart, I picked a stationary object in the yard and used it as the focal point for all the testing. This object was in direct sunlight and just under infinity focus. My results shocked me a little, so I was curious if they shocked any of you.
After taking the high/low midpoint, my adjustments were as follows:
Bare 500 - -5
500 w/1.4x - -3
500 w/1.7x - -2
They are all right there together but, based on my reading here and elsewhere, I really expected them to have some significant differences.