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William Optics 2" XWA 100° Extreme Wide Angle Eyepiece - 20mm
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Brand | William Optics |
Part Number | E-XWA20 |
Availability | available |
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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")
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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) |