Kowa TE-80XW Extreme Wide Angle Eyepiece for 88mm / 77mm / 99mm Spotting Scopes

  • $921.00

KOWA TE-80XW Extreme wide eyepiece

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

40X fixed magnification (TSN-99 PROMINAR SERIES)

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

This eyepiece features:

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-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.

Digiscoping game-changer - enjoy vignette free, ultra sharp images.

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 880/770 series.


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)

Twilight Factor: 59.3 (99 series) 55.5 (880 series) 51.9 (770 series)

Eye Relief: 17.0mm

Field of view at 1000m: 39m (99 series) 45m (880/770 series)

In the Box:

- TE-80XW extreme wide eyepiece

- Eyepiece carry pouch

- Protection caps

- Instruction manual