# Epi-Illumination, Epi-Fluorescence, Episcopic Polarization

**URL:** <https://forum.microlist.org/t/epi-illumination-epi-fluorescence-episcopic-polarization/1721>\
**Category:** Announcements\
**Created:** [February 15, 2022, 8:50am UTC](https://forum.microlist.org/t/epi-illumination-epi-fluorescence-episcopic-polarization/1721 "2022-02-15T08:50:36Z")\
**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:** [February 15, 2022, 8:50am UTC](https://forum.microlist.org/t/epi-illumination-epi-fluorescence-episcopic-polarization/1721/1 "2022-02-15T08:50:36Z")

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If you are into ‘epi’ you may want to see the latest PUMA microscope video which is all about epi-illumination and shows detailed examples in epi-fluorescence and reflected light microscopy of a silicon chip die upto the ‘limit’ of standard light microscopy with oil immersion. See:  
YouTube: [Epi-Illumination - YouTube](https://youtu.be/cAEB10K8PqI)  
and for more info on the open source PUMA DIY 3D printed microscope see:  
GitHub: [GitHub - TadPath/PUMA: 3D Printed Microscope](https://github.com/TadPath/PUMA)