| Article number: |
E-SWA40 |
| 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 40 mm.
- A 72° Super Wide Field 40 mm focal length eyepiece
- Chromatic aberration is virtually eliminated with the design of this eyepiece
- The SWAN 40 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 40 mm is Parfocal
- With 28 mm of eye relief, this eyepiece is comfortable to view through
- The William Optics SWAN has a beautiful fit and finish
- Threaded for 2" 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 40 |
| Focal Length |
40 mm |
| Lens Structure (#Elements/#Groups) |
5/3 |
| Field of View |
72 |
| Eye Relief |
28 mm |
| Barrel |
2" |
| Coating |
FMC |
| Parfocal |
Yes |
| Weight |
570 g |
|
