Schmidt-Cassegrain telescopes can collect frost or dew on viewing plates, but simple heating devices can keep viewing crystal clear. Care for Schmidt-Cassegrain telescopes with an observatory director in this free astronomy video.
Expert: Rocky Alvey & Billy Teets
Bio: Rocky Alvey is the assistant director of the Vanderbilt Dyer Observatory and has been involved in astronomy since 1969.
Filmmaker: Dimitri LaBarge
@FerretProductionz probably ._.
Falconpunch82 6 months ago
Would a eyeglass cloth work
FerretProductionz 2 years ago