Single-Objective Gen II+ Tactical Night Vision System
The TK33M is a dual-eye, single-objective night vision device designed for reliable low-light observation and nighttime tactical operations. Featuring a high-performance Gen II+ image intensifier tube and precision optical system, it delivers clear, high-resolution imaging under starlight, moonlight, and dark environmental conditions.
- Gen II+ image intensifier tube
- 57–72 lp/mm high-resolution imaging
- Helmet-mounted hands-free operation
- Compatible with PASGT / ACH / MCH helmets
- Interchangeable 1× / 3× / 4× / 5× objective lenses
- Up to 80-hour battery runtime
- Built-in infrared illuminator
- Automatic brightness control
- Bright light protection system
- Lightweight compact construction
- Wide operating temperature range
- Anti-glare and anti-fog design
High-Resolution Night Vision Performance
The TK33M is equipped with a premium Generation II+ image intensifier tube featuring 57–72 lp/mm resolution and a signal-to-noise ratio of 21–25. Combined with a precision optical system, it provides sharp, detailed nighttime imaging with reduced image noise in low-light environments.
Users can clearly identify terrain features, personnel movement, and distant objects under starlight or quarter-moon conditions, improving situational awareness and operational confidence during nighttime missions.
Observation distance reaches approximately 245 meters under low-light conditions, depending on environment and lens configuration.
Dual-Eye Viewing for Improved Comfort
Unlike single-eye monocular systems, the TK33M uses a binocular viewing structure with a single objective lens. The dual-eye display reduces visual fatigue during extended use and improves observation comfort for long-duration operations.
This configuration helps operators maintain concentration during surveillance, patrol, and reconnaissance tasks.
Interchangeable Objective Lens System
The TK33M supports interchangeable objective lenses, including:
- 1× standard lens
- 3× lens
- 4× lens
- 5× lens
- Custom focal length options
The 1× lens provides a wide 40° field of view for navigation, close-range movement, and situational awareness, while higher-magnification lenses enable long-range target observation up to approximately 800 meters.
This flexible optical system allows one device to adapt to multiple operational requirements without changing platforms.
Long Battery Runtime
Powered by two standard AA batteries, the TK33M offers:
- Up to 80 hours continuous operation with IR off
- Up to 40 hours operation with IR on
The use of common AA batteries simplifies field replacement and logistics support during extended deployments.
An integrated low-battery indicator inside the eyepiece alerts users before power depletion.
Integrated Infrared Illuminator
The built-in infrared illuminator supports observation in complete darkness where ambient light is unavailable.
The IR system improves visibility for close-range navigation, equipment inspection, and indoor or enclosed-space observation during nighttime operations.
An internal IR-on indicator allows users to monitor IR activation status without interrupting observation.
Automatic Brightness Control & Bright Light Protection
The TK33M features automatic brightness control and bright light protection technology to help maintain stable image quality under changing light conditions.
The system automatically reduces excessive brightness caused by sudden exposure to headlights, flashlights, or other strong light sources, helping protect the image intensifier tube and improve operational safety.
The anti-glare optical design further enhances image clarity in mixed-light environments.
Rugged Environmental Durability
Designed for harsh field conditions, the TK33M operates reliably in temperatures from -40°C to +50°C and can be safely stored between -50°C and +70°C.
The housing is resistant to moisture, dust, and corrosion, while the anti-fog brow guard helps reduce condensation during humid or cold-weather operation.
The device maintains functionality in environments with up to 98% relative humidity.
Helmet-Mounted Hands-Free Operation
The TK33M mounts directly to PASGT, ACH, and MCH helmets using the supplied helmet bracket system.
Hands-free operation improves mobility and allows users to perform additional tasks such as:
- Weapon handling
- Radio communication
- Vehicle operation
- Map reading
- Climbing and navigation
The lightweight and compact design helps reduce neck strain during prolonged use.
| Product Model | TK33M |
| Image Intensifier Grade | Super Generation II+ (Gen 2+) |
| Magnification (optional lenses) | 1× / 3× / 4× / 5× (1× and 4× standard) |
| Field of View (degrees) | 40° (1×) / 10° (4×) |
| Observation Distance | 220m (1×) / 800m (4×) |
| Resolution (lp/mm) | 57–72 |
| Signal-to-Noise Ratio | 21–25 |
| Diopter Adjustment Range | +5 to -6 |
| Dimensions (mm) | 183 × 132 × 58 |
| Weight (grams) | 500 (1× configuration) / 900 (4× configuration) |
| Power Source | 2 × AA batteries (standard, not rechargeable) |
| Operating Voltage (VDC) | 2.8 ± 0.8 |
| Continuous Operation Time | IR off: 80 hours; IR on: 40 hours |
| Operating Temperature | -40°C to +50°C |
| Storage Temperature | -50°C to +70°C |
| Relative Humidity (at 25°C) | 98% |
| Detection Range (Quarter Moon) | 275–300 m |
| Detection Range (Cloudy) | 240–275 m |
| Recognition Range (Quarter Moon) | 225–245 m |
| Recognition Range (Cloudy) | 150–165 m |
| Bright Light Protection | Yes (anti-glare, auto brightness control) |
| Built‑in IR Illuminator | Yes |
| Helmet Compatibility | PASGT, ACH, MCH |
| Water/Dust/Corrosion Resistance | Yes |
Applications
Border Patrol & Perimeter Security
With interchangeable long-range lenses and hands-free helmet mounting, the TK33M supports continuous nighttime monitoring of borders, restricted zones, and critical infrastructure.
Tactical Operations & Law Enforcement
The lightweight helmet-mounted configuration allows operators to maintain mobility and weapon control during nighttime tactical missions, urban operations, and building searches.
Search & Rescue Operations
The device supports navigation and victim detection during nighttime rescue missions in forests, mountains, or disaster areas.
Frequently Asked Questions
The TK33M uses a Generation II+ image intensifier tube with 57–72 lp/mm resolution.
Yes. The TK33M is a dual-eye night vision device with a single objective lens design for improved viewing comfort.
Observation distance depends on lens configuration and environmental conditions. With higher-magnification lenses, observation range can reach approximately 800 meters.
Yes. The device includes a built-in infrared illuminator for operation in complete darkness.
The TK33M supports interchangeable 1×, 3×, 4×, and 5× objective lenses, as well as custom focal length options.