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. This Eyepiece is Compatible with the PF-65 and PF-65 ED II series spotting scopes, PF-80 series spotting scopes, PF-100 series spotting scopes.
LENS STRUCTURE
6 elements, 4 groups
FOCAL LENGTH
20mm
APPARENT FIELD OF VIEW
70 degrees
EYE RELIEF
ATTACHMENT DIAMETER
1.25 (31.7mm)
FILTER DIAMETER
28.6mm
FIELD STOP DIAMETER
24.0mm
EYEPIECE RING
Helicoid type
DIMENSIONS
3.4 x 2.4 in
WEIGHT
12.6 oz. (355g)
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