https://tube.cosmicflow.space/videos/watch/319eb720-b520-4ba4-98d5-79c043bedbcb Learn more: https://www.ibiology.org/talks/spherical-aberattion/ Many microscope objectives are equipped with collars that correct for spherical aberration induced by varying optical thicknesses of the sample substrate, distance between the sample and the substrate or temperature changes. This video tip describes how you set this correction collar to the position optimal for your sample. Tue, 02 Jun 2026 21:58:33 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.cosmicflow.space https://tube.cosmicflow.space/lazy-static/avatars/8891227d-e60f-40aa-88be-4c856c6a73dc.png https://tube.cosmicflow.space/videos/watch/319eb720-b520-4ba4-98d5-79c043bedbcb All rights reserved, unless otherwise specified in the terms specified at https://tube.cosmicflow.space/about and potential licenses granted by each content's rightholder.