
← 1.0° → true field
100° apparent field
Poor fit· Ethos 13mm on the Apertura AD10 Dobsonian 10" Telescope with Accessories
Why this eyepiece?
- ✓Balances detail with surrounding context
- ✓A comfortable everyday view of Dumbbell
Try a shorter focal length eyepiece for more detail
The brightest planetary nebula — five times the size of the Ring and easy in a 4-inch. Moderate power shows the apple-core shape it is named for.










