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Unfortunately William Optics Telescope 4mm Ocular 1.25" Ultra Wide Angle Eyepiece UWAN4 is no longer carried by OpticsPlanet. You can also explore other items in the Telescope Accessories category yourself to try and find the perfect replacement for you!

William Optics Telescope 4mm Ocular 1.25" Ultra Wide Angle Eyepiece UWAN4 Product Info

William Optics Telescope 4mm Ocular 1.25" Ultra Wide Angle Eyepiece UWAN4 on sale and available from our online store. OpticsPlanet, Inc imageis an Authorized US Distributor for William Optics Telescope Accessories.

Field of View: 82, 7 Elements Design, Eye Relief: 12mm

Specifications of William Optics Telescope 4mm Ocular 1.25" Ultra Wide Angle Eyepiece UWAN4:

Internally baffled, All lenses' edges and internal spacers blackened, Fully multicoated
Model UWAN 4
Focal Length 4 mm
Field Stop Diameter 6 mm
Lens Structure (#Elements/#Groups) 7/4
Field of View 82
Eye Relief 12mm
Barrel 1.25"
Coating FMC
Parfocal Yes
Weight 200g
   

Features of William Optics Telescope 4mm Ocular 1.25" Ultra Wide Angle Eyepiece UWAN4:

The ultimate high power eyepiece for ultra wide field views!

UWAN 4mm will yield truly amazing views of William-Optics starry sky at a truly amazing price. Finished are the times when a quality eyepiece had to cost the earth! Now you have a choice: take it or regret it!

Super Wide FOV

• Outstanding ultra-wide field of view: 82 deg. F.O.V.

• Fully MultiCoated (FMC) glass for excellent light transmittance.

• Reduced chromatic aberration, but still bright.

• Improved contrast compared to similar EPs.

Great Contrast

• Internally fully blackened (lenses’ edges and internal spacers).

• No flaring or ghosting on high-contrast objects.

• Parfocal.

Light and Easy

• Innovative twist-up 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.

Package Contents:

  • Telescope 4mm Ocular 1.25" Ultra Wide Angle Eyepiece

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William Optics Telescope 4mm Ocular 1.25" Ultra Wide Angle Eyepiece UWAN4, MPN: UWAN4, Code: WO-TA-UWAN4

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