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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 Accessories category yourself to try and find the perfect replacement for you!

Pentax XW (70517 30, 70518 40) Eyepieces for Pentax Spotting scopes / telescopes Product Info

The best Pentax XW Eyepieces (70517 30, 70518 40) for Pentax Spotting scopes and imagetelescopes

  • 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

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)

Pentax XW (70517 30, 70518 40) Eyepieces for Pentax Spotting scopes / telescopes Related Products

Pentax XW (70517 30, 70518 40) Eyepieces for Pentax Spotting scopes / telescopes Unorderable Models

Pentax SMC XW 40 Eyepiece 2'' TUBE, MPN: 70518, UPC: 027075075269, Code: PX-4S-XW-30-40-70518
Pentax SMC XW 30 Eyepiece 2'' TUBE, MPN: 70517, UPC: 027075075252, Code: PX-4S-XW-30-40-70517

Pentax XW (70517 30, 70518 40) Eyepieces for Pentax Spotting scopes / telescopes Comments