How to measuring lens resolution (MTF)?

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BackyardBirder New Member • Posts: 17
How to measuring lens resolution (MTF)?

Hello,

I am trying to measure the resolution of my various MFT lenses (motivated mostly by curiosity, but also to figure out the limits of my equipment), and I am wondering how one goes about measuring MTF for long focal (i.e., telephoto) lenses, in particular how to choose the distance between lens and test chart. Do people in the know (e.g., the crew at Lenstip) use the minimum focusing distance, or some other specific value?

Thanks in advance for considering my question.

 BackyardBirder's gear list:BackyardBirder's gear list
OM-1 Olympus Zuiko Digital 1.4x Teleconverter EC-14 Panasonic Leica D Summilux Asph 25mm F1.4 Olympus 12-40mm F2.8 Pro Olympus 40-150mm F2.8 Pro +2 more
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