Test lens sharpness?

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Turbo0411 Junior Member • Posts: 26
Test lens sharpness?

What's the best way to test a 150-500 lens for sharpness by minimizing variables? I can put the camera on a tripod, set aperture priority, iso to 200, indoor with proper lights, delay shutter.

How far away for 500mm?

What type of image should I use? I printed some charts but it's hard to tell if the fuzzy is just printer resolution or the lens.

Thanks

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