Kowa TE-17W 30X eyepiece for TSN 880 and 770

Fixed 30X Kowa eyepiece with wide angle , valid for the TSN 880 and TSN 770 series .

This eyepiece is made up of 7 lenses, grouped into 5 groups , in order to obtain a field of vision, 10% greater than its conventional counterparts. Up to 20mm eye relief helps you see the entire field of vision fully, even while wearing glasses .
Characteristics:

• Exit Pupil: 2.9mm (TSN-880) 2.6mm (TSN-770)
  
• Eye relief: 20.0mm
  
• Field of view at 1000M: 41.9M
  
• Magnification: 30x
  
• Real Field of View (º): 2.4 degrees
  
• Brightness / Luminosity: 8.4 (TSN-880) 6.8 (TSN-770)

Series: Used with KOWA TSN-880 series

• Magnification: 30x
  
• Angular field of view: 2.4 °
  
• Eye / eye distance: 20mm
  
• Field of view at 1000m: 41.9m
  
• Exit Pupil: 3.5mm
  

Series: Used with KOWA TSN-770 series

• Magnification: 30x
  
• Angular field of view: 2.4 °
  
• Eye / eye distance: 20mm
  
• Field of view at 1000m: 36.7m
  
• Exit pupil: 41.9mm