About the Kowa 25X Long Eye Relief Eyepiece for 82SV, 66mm & 60mm Spotting Scopes...
The 60mm & 66mm Kowa Spotting Scope can be coupled with any of several eyepieces for your specific needs. There are single magnification models like the Kowa 25X Long Eye Relief Eyepiece for Spotting Scopes and zooms, and some Kowa Spotting Scope Eyepieces have apparent viewing angles (real viewing angle multiplied by the magnification factor) of >60 degrees.
Choose an eyepiece - like the Kowa Eyepiece for Spotting Scopes - with a wide apparent field of view(greater than 60 degrees) if you don''t wear thick glasses and want to be "swimming in field". This will provide you with more real field for a given magnification than can ever be had from a zoom Kowa Spotting Scope Eyepiece, allowing easier subject tracking with the benefit of more observable detail through your Kowa Spotting Scope thanks to the increase in magnification.
If you have to wear thick glasses, select an eyepiece, such as the Kowa 25X Long Eye Relief Eyepiece for Spotting Scopes, with long eye relief. These have a profoundly-long distance between the rear element of the Kowa Spotting Scope Eyepiece and the location which your pupil can be while still being able to observe the entire field of view through your Kowa Spotting Scope. Naturally, this comes at the cost of less apparent field of view, but if you must wear glasses or sunglasses it is the most comfortable option for use.
Kowa 25X Long Eye Relief Eyepiece for 82SV, 66mm & 60mm Spotting Scopes Features...
- All air-to-glass surfaces are fully multicoated
- Waterproof & fogproof design
- Bayonet mounts can be easily, silently changed in the field
- Apparent viewing angle (actual viewing angle multiplied by magnification factor) of 52.5 degrees with 32mm of eye relief
Kowa 25X Long Eye Relief Eyepiece for 82SV, 66mm & 60mm Spotting Scopes Specifications...
Angle of View: 2.1 degrees
Field-of-View (@ 1000 Yds): 110 ft (37 m at 1000 m)
Exit Pupil Diameter: 2.4mm with 60mm scopes 2.6mm with 66mm scopes
Eye Relief: 32mm
Relative Brightness: 5.8 with 60mm scopes 7.0 with 66mm scopes
Twilight Factor: 38.7 with 60mm scopes 40.6 with 66mm scopes
Weatherproofing: Waterproof & fogproof
Dimensions: Not specified by manufacturer
Weight: Not specified by manufacturerKowa Product Number: TE-17HD