| model | KW12M -8x36II | KW12M-10x36II | |
| magnification | 8x | 10x | |
| Pupil diameter(mm) | 36mm | 36mm | |
| Field of view | angle of view | 6.3° | 6.1° |
| M/1000M | 110M / 1000M | 106M / 1000M | |
| FT/1000YDS | 330Ft / 1000Yds | 318Ft / 1000Yds | |
| Exit pupil distance(mm) | 19.4mm | 15.6mm | |
| Exit pupil diameter(mm) | 4.5mm | 3.7mm | |
| Prism system | Porro | Porro | |
| Porro | No | No | |
| ranging | No | No | |
| Prism materia | K9 | K9 | |
| Focusing system | Cent. | Cent. | |
| Patch type | Rotating eyecups | Rotating eyecups | |
| Waterproof anti-fog | No | No | |
| Horse interface | Yes | Yes | |
| Net weight(g) | 650g | 650g | |
| SizeLxWxH(mm) | 172X139X56 mm | 132X59X128mm | |