
← 5.2° → true field
52° apparent field
Apertura Plössl 25mm
Selected by Skynocular
Poor fit· Apertura Plössl 25mm on the William Optics RedCat 51
Why this eyepiece?
- ✓Frames the ring with dark sky in a single view
- ✓Sweeping, immersive low-power view
- ✓Wide, bright exit pupil — best under dark skies
Tradeoffs
- –Less reach to push fine detail in the ring structure
Try a shorter focal length eyepiece for more detail
Small but bright — a perfect smoke ring at 100–200×. A stellar remnant 2,300 light-years away.










