Technical Specifications:
| MODE | DTS-33N(40°) |
| Generation | Gen2+/Gen3(optional) |
| Magnification | 1X |
| FOV(°) | 50+/-2 (40 optional) |
| Resolution | 60-72 lp/mm |
| Diopter | -6~+4 / -4~+6 (Optional) |
| Capability | Flip-Up On-Off, Side Flip-Up On-Off |
| Optical distortion | 0.5% Max |
| Automatic Brightness Control | YES |
| Bright Light Cut-off | YES |
| Infrared Illuminator | Built-in(850nm 20mW) |
| IR Indicator | YES |
| Low Battery Indicator | YES |
| Power Supply | CR123x1/AAx1/Battery pack |
| Battery life | 40-100H |
| Optical distortion | <0.5% Max |
| Eyepiece exit pupil distance | 25-40mm |
| Eyepiece exit pupil diameter | 9mm |
| Eye distance adjustment range | 50-80mm |
| Eye distance locking method | Manual locking(optional) |
| Operating temperature | -40–+55℃ |
| Relative humidity | 5%-95% |
| Waterproof | IP65/IP67 |
| Dimensions | 108x106x83 |
| Weight | 325g(housing)/465g(finished) |