# Focus motor for Z-stacking (EFI, Deconvolution, etc.) on PUMA

**URL:** <https://forum.microlist.org/t/focus-motor-for-z-stacking-efi-deconvolution-etc-on-puma/1841>\
**Category:** Announcements\
**Created:** [July 1, 2022, 1:40pm UTC](https://forum.microlist.org/t/focus-motor-for-z-stacking-efi-deconvolution-etc-on-puma/1841 "2022-07-01T13:40:53Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![P\_Tadrous](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.microlist.org/p_tadrous/32/862_2.png) [@P\_Tadrous](https://forum.microlist.org/u/P_Tadrous)\
**Post date:** [July 1, 2022, 1:40pm UTC](https://forum.microlist.org/t/focus-motor-for-z-stacking-efi-deconvolution-etc-on-puma/1841/1 "2022-07-01T13:40:53Z")

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The latest PUMA microscope video is out (3D printed open source microscope) and shows you how to build and fit the Z stepper motor. See:

[![](https://us1.discourse-cdn.com/flex020/uploads/microlist/original/2X/c/cffd69dfd09212686c63ab8026730ee65a2925bf.jpeg "Fitting a stepper motor to the Z-stage of the PUMA open source microscope") ](https://www.youtube.com/watch?v=-IvkILM2m04)