William Optics
SWAN 9mm 1.25" Eyepiece (E-SWA09)
- Regular price
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$ 87.00Sold out - Sale price
- $ 87.00
- Unit price
- per
In StockPlease contact Cloud Break Optics to order this product
Description
SWAN: a premium eyepiece for your most demanding observations.
Unforgettable views of star clusters and the moon at 72 deg. F.O.V.
A premium eyepiece at a fraction of the cost it’s worth!
Super Wide FOV
• Outstanding super-wide field of view: 72 deg. F.O.V.
• Fully Multicoated lenses for excellent transmittance.
• Reduced chromatic aberration.
• Improved contrast compared to similar EPs.
Great Contrast
• Fully internally blackened (lens edges and internal spacers).
• No flaring or ghosting on high-contrast objects.
• Parfocal.
Light and Easy
• Soft rubber eyecup.
• Long eye-relief: 12mm.
• No internal reflections, kidney beaning or other distracting distortions.
Terrific Fit and Finish
• High-resistance anodized black barrel.
• Smooth design for no hook up in your focuser.
• Threaded for filters’ usage.
Specifications
| 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 |
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.
