Quote Originally Posted by sedwards View Post
I did afma my lenses with and without the extender. I tried manually using a printed target similar to lensalign and then used focal pro. Both methods are quite consistant but but focal says +4 and test target looks like it should be -6. I have run the tests at least 10 times each and they always give the same results.
I wasnt expecting any detail in the deer pic at 400+ meters but i was quite impressed the camera could lock on to something that far away.
Trying to figure out what you are saying.
But if you are using two different methods and getting two different results one of your tests is in error. Since you are saying you are using something similar to lensalign I am going with that one.