Description
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)