Kowa TE-11WZ eyepiece zoom 20-60X for TSN 880 and 770

Kowa 20 to 60x zoom eyepiece, manufactured for the TSN 880 and TSN 770 series.

This eyepiece incorporates two extra low dispersion XD lenses , which completely eliminate any chromatic aberration . This eyepiece combined with the optical characteristics of the 880 Series Fluorite Crystal creates an observation set with maximum optical quality .

Characteristics:

• Exit Pupil: 3.5 ~ 1.5mm (TSN-880) 3.1 ~ 1.3mm (TSN-770)
  
• Eye relief: 17.0mm
  
• Field of view at 1000M: 42 ~ 23M
  
• Magnification: 25 ~ 60x ZOOM
  
• Real field of view (º): 2.4 ~ 1.32 degrees
  
• Brightness / Luminosity: 12.4 ~ 2.2 (TSN-880) 9.5 ~ 1.6 (TSN-770)
  
• Length: 111mm
  
• Weight: 370gr