This video is on two parts:
Part 1, from start to minute 22 : Observing with Ethos 21 and comparing it with other eyepieces.
PArt 2 from minute 22 to the end: Assessment and my opinion based on my experience using this eyepiece.
In making this video I have used these optical instruments:
Skywatcher Skyliner 300P Flextube 12 Inch Dobsonian Telescope.
Televue Ethos 21mm 100 Degrees Eyepiece.
APM HDC 20mm 100 Degrees Eyepiece.
Maxvision 40mm 68 Degrees Eyepiece.
Maxvision 24mm 82 Degrees Eyepiece.
Televue Nagler 31mm 82 Degrees Type 5 Eyepiece.
Huawei P30 Pro Mobile Phone Camera.
I have observed these celestial sky targets using the equipment above:
Messier 31, Andromeda gaalxy.
Messier 32 galaxy.
Messier 110 galaxy.
Double Cluster in constellation Perseus.
Messier 45, Pleiades open cluster.
