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William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm

Currently Unavailable William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm is currently unavailable for purchase. Our team of product experts would be happy to recommend an alternative for you, or to answer any questions you might have. Please fill out our and a member of our team will respond within 24 hours!

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William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm Product Info

William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm on sale and available from our online store. OpticsPlanet, Inc imageis an Authorized US Distributor for William Optics Telescope Accessories.

Field of View: 72, Eye Relief: 17mm


Specifications of William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm:
Internally baffled, All lenses' edges and internal spacers blackened, Fully multicoated
Model SWAN 20
Focal Length 20mm
Lens Structure (#Elements/#Groups) 5/4
Field of View 72
Eye Relief 17mm
Barrel 1.25"
Coating FMC
Parfocal Yes
Weight 100g
· Inner Structure


Features of William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm:
SWAN: the perfect compromise between quality, cost, eye-relief and edge sharpness.
All with a SWA super-wide angle 72 deg. F.O.V. ! The ultimate 1.25 ” SWA eyepiece.
Try and compare! Ideal with SCT and refractor telescopes.

Perfect match with William Optics telescopes
• Outstanding super-wide field of view: 72 deg. F.O.V.
• Fully Multicoated lenses for excellent transmittance.
• Outstanding chromatic aberration correction.
• Excellent contrast and light throughput for sharp viewing.

Great Contrast
• Internally fully blackened (lens edges and internal spacers).
• No internal reflections.
• No flaring or ghosting on high-contrast objects.
• Parfocal.

Light and Easy
• Soft rubber eyecup
• Long eye-relief: 17 mm
• No internal reflections, kidney bean effect

Terrific Fit and Finish
• High-resistance anodized black barrel.
• Smooth design for no hook up in your focuser.

Package Contents:

  • 20mm SWAN Ocular 1.25" Wide Angle Eyepiece

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William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm Comments

William Optics 20mm SWAN Ocular 1.25'' Wide Angle Eyepiece WE-SWAN-20mm William Optics 20mm SWAN Ocular 1.25'' Wide Angle Eyepiece WE-SWAN-20mm
William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm
William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm
William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm
William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm
William Optics 20mm SWAN Ocular 1.25'' Wide Angle Eyepiece WE-SWAN-20mm
William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm
William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm
William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm
William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm
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