Kowa TE-80XW Extreme Wide Eyepiece


  • Compatible with TSN-99 / 88 / 880 and 770 series spotting scopes
  • 80° field of view allows for relaxed observations and a large field of view for the overview
  • Extremely high edge sharpness due to field flattener lenses and high-quality XD lenses ensure an image free of chromatic aberration

All Kowa branded sporting optics products come with a 10 year warranty.

1 in stock

SKU: TE-80XW Category:


80 degree extreme wide angle eyepiece – See more. Immerse yourself into the scene with a 40x magnification and a field of view of 39m (TSN-99) or with a 35x magnification and a field of view of 45m (TSN-88/880/770) at 1000m distance.

Find a subject quicker with a wider view of your surroundings.

40x fixed magnification (TSN-99 PROMINAR SERIES)
35x fixed magnification (TSN-88 / 880 / 770 PROMINAR SERIES)

  • A true optical innovation. Kowa engineers have developed one of the most immersive visual experiences you can expect to see in a sporting optic device.
  • Featuring an advanced optical design, the view through Kowa TE-80XW
  • Extreme wide angle eyepiece can only be described as breath-taking.
  • Incorporating a field flattener and XD lens to produce a view that is completely uniform and ultra sharp across the entire image and virtually zero chromatic aberration.
  • Compatible with Kowa TSN-99 / TSN-88 / TSN-880 / TSN-770 series spotting scopes
  • Fully waterproof and sealed against the elements. Additional KR coating applied to the lens to actively reduce the build up of dust, dirt and other particles.
  • 100% compatible with Kowa SYSTEM accessories including the TSN-EX16 1.6x extender for magnification up to 64x when paired with TSN-99 series and 56x with TSN 88/880/770 series.

Technical Details

  • Eye Relief: 17.0mm
  • Magnification: 40x (99 Series) 35x (880/770 Series)
  • Field of view (degree): 80
  • Exit Pupil Diameter: 2.5 (99/880 series) 2.2 (770 series)
  • Relative Brightness: 6.3 (99/880 series) 4.8 (770 series)
  • Field of view at 1000m: 39m (99 series) 45m (880/770 series)
  • Twilight Factor: 59.3 (99 series) 55.5 (880 series) 51.9 (770 series)

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