[Coleman O’donnell]

I solved the problem with my HXR-NX3. I had to upgrade my firmware to v2.10 and do a back flange adjustment. This adjustment was not available in the menu until I updated the firmware. The release notes come with instructions that are not very helpful until you’ve researched back flange focus adjustment for Sony cameras. After watching this video https://youtu.be/tThamX_itVI and reading the release notes I figured it out. As for the high contrast object to focus on I printed this black and white radial image on a regular sheet of printer paper, taped it to our green screen and ran the auto back flange adjustment. https://mrmagicproductions.wordpress.com/2011/02/14/a-solution-to-back-focusing-problems-with-the-sony-pmw-ex3/

I hope this helps someone. This was the first post I came across and no one seemed to have a solution, just work arounds.

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