Kowa's 60mm, 61mm, 66mm & 77mm spotting scopes can be coupled with any of several eyepieces for your specific needs. There are single magnification models and zooms, with some having apparent viewing angles (real viewing angle multiplied by the magnification factor) of >60°.
| Magnification | 20-60x |
| Angle of View |
20x: 1.8° 60x: 1.0° |
| Field-of-View (@ 1000 Yds) |
20x: 97' (32 m at 1000 m) 60x: 53' (18 m at 1000 m) |
| Exit Pupil Diameter |
20x: 3.0mm with 60mm & 61mm, 3.3mm with 66mm, 3.8mm with 77mm 60x: 1.0mm with 60mm & 61mm, 1.1mm with 66mm, 1.3mm with 77mm |
| Eye Relief | 16mm |
| Relative Brightness |
20x: 9.0 with 60mm & 61mm, 10.9 with 66mm, 14.8 with 77mm 60x: 1.0 with 60mm & 61mm, 1.2 with 66mm, 1.6 with 77mm |
| Twilight Factor |
20x: 35.0 with 60mm & 61mm, 36.3 with 66mm, 39.2 with 77mm 60x: 60.0 with 60mm & 61mm, 63.0 with 66mm, 68.0 with 77mm |
| Weatherproofing | Waterproof & fogproof |
| Dimensions | 1.9 x 3.9" (49 x 99mm) WxH |
| Weight | 0.52 lb (235 g) |