WLLIAM OPTICS SWAN 9mm 1.25目鏡(SWAN 9mm 1.25)
WLLIAM OPTICS SWAN 9mm 1.25目鏡

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
• Internally fully 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.

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 70g

 

 


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產品資訊 品牌: William-Optics           型號:SWAN 9mm 1.25
訂購編號:#A9166     條碼/廠家型號 :F #SWAN 9mm 1.25
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超商貨到取貨付款 更新時間:2011/5/16 下午 05:05:00

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