This Kelner-type eyepiece features 2 groups with 3 elements. This simple configuration provides clear and clean views.
Specifications
focal length: 20 mm
eye Relief: 14 mm
apparent field of view: 45 degrees
size: φ 33 × 45 mm
mass: 77 g
This Kelner-type eyepiece features 2 groups with 3 elements. This simple configuration provides clear and clean views.
Specifications
focal length: 20 mm
eye Relief: 14 mm
apparent field of view: 45 degrees
size: φ 33 × 45 mm
mass: 77 g