Dismiss Notice
New Cookie Policy
On May 24, 2018, we published revised versions of our Terms and Rules and Cookie Policy. Your use of AstronomyConnect.com’s services is subject to these revised terms.

More Views

William Optics 2" XWA 100° Extreme Wide Angle Eyepiece - 20mm

No Reviews (0 Reviews) Read Reviews Write Review
Brand William Optics
Part Number E-XWA20
Availability available

Product Info

Manufacturer Description

New from William Optics

  • William Optics 20mm 100-deg Extreme Wide Angle (XWA) eyepiece
  • 2" barrel format
  • Comfortable 15mm eye relief
  • Twist-up eyecup
  • Fully multi-coated optics (9 elements in 6 groups) with blackened lens edges
  • Made in Taiwan from Taiwanese, Chinese, and Japanese components

Specifications:

  • Weight: 
    • 2" eyepiece: 1lb-14.1oz
  • Height:
    • 2" eyepiece (with eyeguard recessed): 152.3mm (6.0")
    • Eyeguard can extend by: 7.5mm (0.3")
  • Maximum width (excluding end caps): 74.5mm (2.91")

Reviews

Not yet rated. Be the first to Write a Review

Specifications

Apparent Field of View 100°
Barrel Size 2" (50.8mm)
Bolt Case Included Yes - Free Agena Eyepiece Container
Bolt Case Size Agena 85x120mm
Coatings Fully Multi-Coated
Height (with Eye Guard) See item description
Max Width 74.5mm
End Caps 2
Eye Lens Diameter Xmm
Eye Relief by Design 15mm
Filter Threads Standard 2" Filter Thread (M48 x 0.75)
Focal Length 20mm
Lens Elements 9
Lens Groups 6
Rubber Eye Guard Twist-up Eyecup
Blackened Lens Edges Yes
Manufacturer William Optics
Eyepiece Focal Length 15.1mm - 20mm
Eyepiece Field of View Over 80 degrees
Eyepiece Series William Optics XWA
Barrel Type With safety undercut
Eyepiece Weight 30.10oz (853.32g)