https://tube.cosmicflow.space/videos/watch/e91896f0-9893-4c20-9fbf-8025b04fe0f5 Learn more: https://www.ibiology.org/talks/clean-objective-lenses/ Dirt and residue on the surface objective lenses and filters can degrade image quality. This tip describes how to inspect lens and filters for dirt and how to clean them properly with solvent so that these expensive components will not be damaged in the process. Tue, 02 Jun 2026 22:07:36 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/e91896f0-9893-4c20-9fbf-8025b04fe0f5 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.