- Improved 70 degree field of view for easier viewing
- XW
 7, 10, 14 , 20 will give a wider field of view than our previous eyepieces when used on Pentax Spotting Scopes or with telescopes - XW 14 and 20 are 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
Specifications:
 | | | XW3.5 | | XW5 | | XW7 | | XW10 | | XW14 | | XW20 | | | Lens Structure: | | 8 elements
5 groups | | 8 elements
5 groups | | 8 elements
6 groups | | 7 element
6 groups | | 7 elements
6 groups | | 6 elements
4 groups | | | Focal Length: | | 3.5mm | | 5mm | | 7mm | | 10mm | | 14mm | | 20mm | | | Apparent Field of View: | | 70° | | 70° | | 70° | | 70° | | 70° | | 70° | | | Eye Relief: | | 20mm | | 20mm | | 20mm | | 20mm | | 20mm | | 20mm | | | Attachment Diameter: | | 1.25” (31.7mm) | | 1.25” (31.7mm) | | 1.25” (31.7mm) | | 1.25” (31.7mm) | | 1.25” (31.7mm) | | 1.25” (31.7mm) | | | Filter Diameter: | | 28.6mm | | 28.6mm | | 28.6mm | | 28.6mm | | 28.6mm | | 28.6mm | | | Field Stop Diameter: | | 4.3mm | | 6.2mm | | 8.8mm | | 12.4mm | | 17.6mm | | 24.0mm | | | Eyepiece Ring: | | Helicoid type | | Helicoid type | | Helicoid type | | Helicoid type | | Helicoid type | | Helicoid type | | | Height & Width: | | 5.4”x2.4” | | 5.0”x2.4” | | 4.7”x2.4” | | 4.3”x2.4” | | 3.8”x2.4” | | 3.4”2.4” | | | Weight: | | 14.3 oz. (405g) | | 14.0 oz. (395g) | | 13.8oz. (390g) | | 13.8 oz. (390g) | | 12.9 oz. (365g) | | 12.6 oz. (355g) | |
Magnification on Pentax Spotting Scopes:
| | | XW 7 | | XW 10 | | XW 14 | | XW 20 | | | PF-80ED | | 71X | | 50X | | 36X | | 25X | | | PF-80EDA | | 74X | | 52X | | 37X | | 26X | | | PF-100ED | | 90X | | 63X | | 45X | | 32X | |
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| The following options are available: | | | 70511: Pentax XW 3.5 Eyepiece | | 70512: Pentax XW Eyepiece, 5 70512 | | | 70513: Pentax XW 7 Eyepiece | | 70514: Pentax XW 10 eyepiece | | | 70515: Pentax XW Eyepiece, 14 70515 | | 70516: Pentax XW Eyepiece, 20 70516 | |
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