Bausch and Lomb Criterion 4000 Schmidt Cassegrain Telescope - Review
27:04
REVIEW: The Bargain Telescope With A Brutal Name - Is It Any Good?
7:25
Deep Sky Object Astrophotography using a 90mm Maksutov telescope
15:56
Excellent All-Rounder - A deep dive into the Schmidt-Cassegrain telescope design
22:00
Meade LX200 8", 10", and 12" Schmidt-Cassegrain Overview! (+the 7" Mak) What to Look For!
8:46
Vintage Spotting Scope Cheap: Bausch and Lomb Discoverer
33:49
Buying Vintage Watches at Plainpalais + The GPHG Watchmaking Awards Exhibit, November 16, 2024
23:59
Making a Monolithic Telescope Part 1: Optical Design and Aspherics.
19:15