The PENTAX XW 10 Eyepiece offers a focal length of 10mm and provides a wide field of view when used with PENTAX spotting scopes or with telescopes.
Like each eyepiece in its series, the XW 10 Eyepiece is designed specifically to provide ideal ground and astronomical observations with a telescope. It features fully multi-coated lenses to increase light transmission and color quality, high-refraction lanthanum glass elements for high-resolution images with minimal aberrations, and JIS Class 4 weatherproof construction for durability. Engineered using advanced computer simulation design technology, this eyepiece features a 70 degree field of view and 20mm eye relief.
Additional Specifications:
- Lens Structure: 7 elements, 6 groups
- Focal Length: 10mm
- Apparent Field of View: 70 degrees
- Attachment Diameter: 1.25" (31.7mm)
- Filter Diameter: 28.6mm
- Field Stop Diameter: 12.4mm
- Eyepiece Ring: Helicoid type
- Height & Width: 4.3" x 2.4"
What's in The Box:
- XW-10 (1-1/4" dia.) Eyepiece
- Lens Cap
- Tube Cap Eye Relief: 20mm