William Optics
SWAN 40mm (2") Eyepiece (E-SWA40)
- Regular price
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$ 130.00Sold out - Sale price
- $ 130.00
- Unit price
- per
In StockPlease contact Cloud Break Optics to order this product
Description
SWAN: a huge-lens rich-field eyepiece at a very reasonable price!
Fully multicoated advanced design for breathtaking and jaw-dropping 72 deg. F.O.V. views.
Try it out on the Milky Way!
A True Spacewalker!
• Marvelous super-wide field of view: 72 deg. F.O.V.
• Fully Multicoated lenses for excellent transmittance.
• Outstanding chromatic aberration correction.
• Sharp and well contrasted.
Great Contrast
• Internally fully blackened (lens edges and internal spacers).
• No flaring or ghosting on high-contrast objects.
• Parfocal.
Ease of Use
• Soft rubber eyecup.
• Extremely long eye-relief: 28 mm.
• No internal reflections.
Terrific Fit and Finish
• High-resistance anodized black barrel.
• Smooth design for no hook up in your focuser.
• Threaded for 2” filters.
Specifications
| 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 |
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.
