William Optics 1.25" & 2" 110° XWA Extreme Wide Angle Eyepiece - 3.5mm

Our Price: $289.00
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In stock (2 Available)
Ships by Next Business Day
Our Product ID: E-WO-XWA035
Manufacturer SKU: E-XWA035
Item Can Ship: Worldwide
William Optics 1.25" & 2" XWA Extreme Wide Angle Eyepiece - 3.5mm

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  • William Optics 1.25" & 2" XWA Extreme Wide Angle Eyepiece - 3.5mm
  • William Optics 1.25" & 2" XWA Extreme Wide Angle Eyepiece - 3.5mm

Website Special - FREE Agena plastic bolt case / storage container included with this eyepiece (a $6 value)!

Product Details

New from William Optics

  • William Optics 3.5mm 110-deg Extreme Wide Angle (XWA) eyepiece
  • Dual 1.25" and 2" barrel format
  • Comfortable 15mm eye relief
  • Twist-up eyecup
  • Fully multi-coated optics (8 elements in 6 groups) with blackened lens edges
  • Made in Taiwan from Taiwanese, Chinese, and Japanese components
  • 1.25" eyepiece with 2" sleeve. 2" barrel uses a unique / innovative male 1.25" filter thread on the inside to connect to the female filter thread on the 1.25" barrel.


  • Weight: 
    • 1.25" eyepiece: 1lb-4.8oz
    • 2" sleeve: 2.3oz
    • 2" eyepiece: 1lb-7.2oz
  • Height:
    • 1.25" eyepiece (with eyeguard recessed): 165mm (6.50")
    • 2" eyepiece (with eyeguard recessed): 168.5mm (6.63")
    • Eyeguard can extend by: 7.5mm (0.3")
  • Maximum width (excluding end caps): 65mm (2.56")
Eyepiece Series XWA Series
Focal Length 3.5mm
Barrel Size 1.25" (31.7mm) and 2" (50.8mm)
Apparent Field of View (Mfg Specified) 110°
Eye Relief (Designed) 15mm
Filter Threads Standard 1.25" (M28.5 x 0.6) and 2" (M48 x 0.75) Filter Thread
Coatings Fully Multi-Coated
Lens Elements 8
Lens Groups 6
Blackened Lens Edges Yes
Barrel Safety Recess Yes
Barrel Type With safety undercut
Protective Plastic Storage Container Yes - Free Agena Eyepiece Container
Protective Plastic Storage Container Size Agena 65x120mm
Height (With Eyeguard Extended) See item description
Maximum Width 65mm
End Caps 3
Rubber Eye Guard Twist-up Eyecup
Weight 1lb-7.2oz
Country of Manufacture Taiwan

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