Eventually even your favorite lens might misbehave. Is a particular lens and camera body combination consistently missing focus? The lens might need some adjustment, but first you need to test. The lens could be focusing a bit too far forward or backward. One of my favorite portrait lenses is a Canon EF 135mm f/2.0. A […]
The post Debugging focus issues with the Vello LENS-2020 Lens Calibration Tool appeared first on Photofocus.
source https://photofocus.com/reviews/debugging-focus-issues-with-the-vello-lens-2020-lens-calibration-tool/
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