00:00:30 Optical coatings : dielectric and phase coatings
00:01:05 Lenses caps
00:02:31 Color rendition
00:04:51 Other coatings
00:05:30 Sharpness and contrast
00:06:05: Maybe one of the reasons
00:06:13 Receased objective lenses
00:06:58 Chromatic aberration
00:08:46 Barrel distorsions
00:10:20 Field of view
00:10:52 Apparent field view
00:11:40 Dioptre adjustment ring
00:13:41 First quarter Moon
00:14:44 Eye relief
00:15:45 Atmospheric turbulences
00:16:40 Focus wheel
00:17:40 Grip
00:18:11 Handling
00:18:48 Balance