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Product Discontinued by Manufacturer
Pentax XW (70517 30, 70518 40) Eyepieces for Pentax Spotting scopes / telescopes has been discontinued by Pentax and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Spotting Scope Eyepieces yourself to try and find the perfect replacement for you!
Product Info for Pentax XW (70517 30, 70518 40) Eyepieces for Pentax Spotting scopes / telescopes
The best Pentax XW Eyepieces (70517 30, 70518 40) for Spotting Scope Eyepieces and Spotting Scope Eyepieces![]()
- Improved 70 degree field of view for easier viewing
- Designed specifically to provide ideal viewing conditions when used with a telescope
- Fully multi-coated lenses increase light transmission and color quality
- High-refraction, low-dispersion lanthanum glass elements deliver bright, high-resolution images with minimal aberrations and distortions
- Advanced computer simulation design technology was used to drastically reduce internal reflections producing brighter, clearer images
- JIS Class 4 weather proof construction makes these eyepieces more durable
- Long eye-relief for viewing with or without glasses
- Limited Lifetime Warranty
| XW30 | XW40 | |||||||||||||||||||
| Lens Structure: | 7 elements
6 groups |
6 element
5 groups |
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| Focal Length: | 30mm | 40mm | ||||||||||||||||||
| Apparent Field of View: | 70° | 70° | ||||||||||||||||||
| Eye Relief: | 20mm | 20mm | ||||||||||||||||||
| Attachment Diameter: | 2” (50.8mm) | 2” (50.8mm) | ||||||||||||||||||
| Filter Diameter: | 48mm | 48mm | ||||||||||||||||||
| Field Stop Diameter: | 36.2mm | 46.5mm | ||||||||||||||||||
| Eyepiece Ring: | Helicoid type | Helicoid type | ||||||||||||||||||
| Height & Width: | 4.8”x3.0” | 4.6”x3.0” | ||||||||||||||||||
| Weight: | 26.1 oz. (740g) | 24.7 oz. (700g) | ||||||||||||||||||