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

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Customer Reviews
Most Recent Reviews Great eyepiece by Legacy Reviewer, Verified Owner, July 8, 2008
This is my second favorite eyepiece, next to 40mm Televue. Pros: Delivers great images.
Read 1 Review

Code: WO-TA-WE-SWAN-20mm

MPN: WE-SWAN-20mm

Product No Longer Available

Product Info for 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 on sale and available from our online store. OpticsPlanet, Inc is an Authorized US Distributor for William Optics Telescope Accessories.image

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 Unavailable & Discontinued Models

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William Optics 20mm SWAN Ocular 1.25" Wide Angle Eyepiece WE-SWAN-20mm , MPN: WE-SWAN-20mm , Code: WO-TA-WE-SWAN-20mm
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