| Article number: |
E-SWA09 |
| Availability: |
More on the Way to us |
| Delivery time: |
More on the Way to Us |
The William Optics SWAN Eyepiece series is a great value! With a 72° Field of View and Fully Multi Coated glass elements the SWAN Eyepiece delivers stunning views of the night sky. Eyepiece has a focal length of 9 mm.
- A 72° Super Wide Field 9 mm focal length eyepiece
- 5-Element optical design
- Chromatic aberration is virtually eliminated with the design of this eyepiece
- The SWAN 9 has fully multi coated optics for enhanced sharpness
- All internal edges are fully blackened for enhanced contrast while flaring and ghosting is eliminated on high contrast objects
- The William Optics SWAN 9 mm is Parfocal
- With 12 mm of eye relief, this eyepiece is comfortable to view through
- The William Optics SWAN has a beautiful fit and finish
- Threaded for 1.25" Filters
- Comes with a full 2-year manufacturer warranty
More Information
| Specification |
| Internally baffled, All lenses' edges and internal spacers blackened, Fully multicoated |
| Model |
SWAN 9 |
| Focal Length |
9mm |
| Lens Structure (#Elements/#Groups) |
5/4 |
| Field of View |
72 |
| Eye Relief |
12mm |
| Barrel |
1.25" |
| Coating |
FMC |
| Parfocal |
Yes |
| Weight |
70 g |
|
