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首页 >>目镜增倍镜>>PENTAX>>Pentax - XW-20 Eyepiece天文望远镜目镜
Pentax - XW-20 Eyepiece天文望远镜目镜
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  • 售        价:2400.00
  • 品        牌:PENTAX
  • 商品编号:8045331
  • 商品货号:8045331-2
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The XW 20 eyepiece is designed for use with a wide range of PENTAX spotting scopes and telescopes. Ideal for both ground and astronomical observations, this eyepiece 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 high-performance eyepiece provides a 70 degree field of view and 20mm eye relief.

Lens Structure: 6 elements, 4 groups
Focal Length: 20mm
Apparent Field of View: 70 degrees
Eye Relief: 20mm
Attachment Diameter: 1.25" (31.7mm)
Filter Diameter: 28.6mm
Field Stop Diameter: 24.0mm
Eyepiece Ring: Helicoid type
Height & Width: 3.4" x 2.4"
Weight: 12.6 oz. (355g)

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