Revision history of "TWIN Lens"

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  • curprev 09:02, 25 August 2020‎ Dirkjan talk contribs‎ 295 bytes +295‎ Created page with "TWIN lens is a Philips invention. Minicondensor in the upper part of the pole piece. It is heat neutral. Enables very fast switching between TEM and STEM mode. Compare also wi..."