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William Optics 1.25" UWAN Series Eyepiece - 4mm

Our Price: $198.00
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Out of Stock
Availability: Item has been discontinued and is no longer available.
Our Product ID: ZZE-ZZWO-UWAN4
Manufacturer SKU: E-UWA04
Item Can Ship: Worldwide
William Optics 1.25" UWAN Series Eyepiece - 4mm

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Availability: Item has been discontinued and is no longer available.

Product Details

Beautiful Ultra Wide Angle (UWA) Eyepiece, for beautiful observation sessions with your telescope. This 7-element UWAN eyepiece is ideal for rich-field observations at medium-high power.Extremely good price for its quality: look around and compare! Ideal for fast focal ratio telescopes (Dobsonian, etc.)

Super Wide FOV
Outstanding ultra-wide field of view: 82 deg. F.O.V.
Fully MultiCoated lenses for excellent light transmittance.
Reduced chromatic aberration.
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 use with 1.25" filters.

Eyepiece Series UWAN Series
Focal Length 4mm
Barrel Size 1.25" (31.7mm)
Apparent Field of View (Mfg Specified) 82°
Eye Relief (Designed) 12mm
Filter Threads Standard 1.25" Filter Thread (M28.5 x 0.6)
Coatings Fully Multi-Coated
Lens Elements 7
Lens Groups 4
Blackened Lens Edges Yes
Barrel Safety Recess Tapered Barrel
Tapered Barrel Yes
Barrel Type Tapered barrel
Protective Plastic Storage Container Yes - Free Agena Eyepiece Container
Protective Plastic Storage Container Size Agena 52x80mm
End Caps 2
Field Stop Diameter 6mm
Parfocal Yes
Rubber Eye Guard Yes (Twist-Up Eyecup)
Weight 200 g

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