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William Optics SWAN 9mm (1.25 inch) Eyepiece

HK$720.00
SKU:
WO-E-SWA09
Availability:
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Weight:
0.50 KGS
Shipping:
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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.

 

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  

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