Takahashi Starbase Kelner-type eyepiece

The Starbase Kellner eyepiece offers a reasonable field of view (45°) with reasonable eye relief (14mm).  Its simple design, consisting of two groups and three elements, will provide the user with clear clean views.

 Technical Specifications

Focal Length 20mm 25mm
Eye Relief 14mm 18mm
Weight 57g 57g
Field of View 45° 45°
Size 1.25" 1.25"
Number of optic elements 3 3

In the Box

Takahashi Starbase Kelner-type eyepiece, at selected focal length :
  • 20mm
  • 25mm

Manual & Warranty