What about the wide angles for APS-C? Do you test an 8mm lens at 80mm?Įven at 100x focal length, 800mm isn't very far away (31.5'). And also, at what distance to the subject - 10, 20, 50, 100ĭoes one test a 100mm macro at 10x the focal length (40')? I'm still confused as to how to do the testing with a zoom - at the longest, shortest I made about a dozen prints and pinned them toĪ wall. It's also quite easy to make sets of line pairs of different sizes in PS and
A few weeks ago there was another discussion about micro-focus adjustmentĪnd I asked the same question.
