The UNI-T UT-Z045 Ultra Telephoto Lens delivers unmatched long-range thermal imaging capability for the UTi760X camera system, enabling detailed inspection of distant infrastructure, elevated systems, and hazardous equipment from extreme standoff distances. With its exceptional 62.8mm focal length and ultra-narrow 7° x 5.6° field of view, this specialized lens provides nearly 3.5x magnification over the standard lens, allowing accurate temperature measurement and thermal anomaly detection on targets 50 meters (164 feet) away or more. The remarkable 0.19 mrad spatial resolution represents the finest detail capability in the UTi760X lens lineup, making it indispensable for utility transmission systems, industrial smokestacks, telecommunications infrastructure, and any application where maximum distance imaging is essential for safety or accessibility.
The UT-Z045 Ultra Telephoto Lens delivers the highest spatial resolution available in the UTi760X lens system at 0.19 mrad, enabling accurate temperature measurement of small components and connections at distances where visual identification is challenging. This extraordinary resolution allows utility technicians to identify individual insulator defects on transmission towers, monitor substation equipment from outside security perimeters, and assess rooftop installations from ground level with measurement precision approaching close-range inspection. The 62.8mm focal length provides exceptional 3.5x magnification compared to the standard lens, effectively eliminating distance barriers for thermal diagnostics.
The ultra-narrow 7° x 5.6° field of view concentrates the UTi760X's entire 640x512 detector array on small, distant targets, maximizing pixel density for component-level analysis at extreme ranges. This highly focused perspective eliminates environmental clutter and background interference, making subtle thermal anomalies clearly visible even at distances exceeding 50 meters. The F/1.3 aperture, while slightly narrower than other UTi760X lenses, still provides excellent light gathering capability to maintain the camera's thermal sensitivity for reliable long-range measurement.
Utility companies and power line contractors rely on the UT-Z045 for:
Industrial facilities use the UT-Z045 for:
Communications technicians depend on the UT-Z045 for:
Inspectors and facility managers utilize the UT-Z045 for:
| Specification | Value |
|---|---|
| Model Number | UT-Z045 |
| Lens Type | Ultra Telephoto Lens (optional accessory) |
| Focal Length | 62.8mm |
| Aperture | F/1.3 |
| Field of View (FOV) | 7° x 5.6° (Horizontal x Vertical) |
| Spatial Resolution (IFOV) | 0.19 mrad |
| Minimum Imaging Distance | 2m (6.6 ft) |
| Temperature Measurement Range | -20°C to 1200°C (-4°F to 2192°F) with conventional lens setting |
| Compatibility | UTi760X Thermal Camera System |
| Lens Recognition | Automatic detection by UTi760X camera body |
The UT-Z045's ultra-narrow 7° x 5.6° field of view provides maximum concentration on distant targets. At long-range inspection distances, the coverage areas are:
The outstanding 0.19 mrad spatial resolution provides unprecedented detail for long-range thermal imaging. With the UTi760X's 640x512 detector:
This exceptional resolution enables reliable temperature measurement of electrical connections, insulator assemblies, and mechanical components at extreme distances where other thermal cameras cannot provide diagnostic-quality data.
| Lens Model | UT-Z042 Standard | UT-Z044 Telephoto | UT-Z045 Ultra Telephoto |
|---|---|---|---|
| Focal Length | 18mm | 36mm | 62.8mm |
| Magnification vs Standard | 1x | 2x | 3.5x |
| Field of View | 24° x 19.3° | 12° x 9.6° | 7° x 5.6° |
| Spatial Resolution | 0.66 mrad | 0.33 mrad | 0.19 mrad |
| Minimum Distance | 0.15m (5.9") | 1m (3.3 ft) | 2m (6.6 ft) |
| Optimal Working Range | 0.5-10m | 5-30m | 20-100m+ |
| Best For | General inspection | Elevated equipment | Extreme distance, infrastructure |
What applications specifically require an ultra telephoto lens?
The UT-Z045 Ultra Telephoto Lens is essential for utility transmission line inspection where towers exceed 30-50 meters (98-164 feet) in height, telecommunications tower equipment assessment, industrial smokestack monitoring, high-rise building facade evaluation, and any application where targets are physically inaccessible or hazardous to approach. It's particularly valuable for utility companies conducting right-of-way surveys without bucket truck access, facility managers assessing rooftop equipment without climbing, and safety professionals monitoring hazardous processes from outside exclusion zones. The ultra telephoto capability transforms impossible inspections into routine procedures.
How does the F/1.3 aperture affect performance compared to F/1.0 lenses?
The UT-Z045's F/1.3 aperture is slightly narrower than the F/1.0 apertures on other UTi760X lenses, representing a minor reduction in light gathering capability. However, this small aperture difference has negligible impact on the UTi760X's thermal sensitivity for practical applications. The camera's exceptional 35mK NETD sensor specification ensures excellent thermal image quality even with the F/1.3 aperture. The optical design prioritizes spatial resolution and long-range performance over maximum aperture, delivering superior image sharpness and measurement accuracy at extreme distances where aperture differences become insignificant.
Can I use the Ultra Telephoto Lens for medium-range work?
While optimized for long-range applications, the UT-Z045 can be used at medium distances when you need maximum spatial resolution for small component inspection. Its 2m (6.6 ft) minimum focus distance allows operation at closer ranges, and the narrow field of view helps isolate specific components from surrounding equipment. However, the ultra-narrow field of view makes the lens less efficient for general scanning and requires precise aiming. For typical facility inspections at 1-10 meters, the standard or telephoto lenses provide better workflow efficiency. Reserve the ultra telephoto lens for applications genuinely requiring its extreme distance capability or maximum resolution.
What are the safety benefits of extreme standoff distance capability?
The UT-Z045 enables inspection of high-voltage electrical systems, elevated equipment, hazardous processes, and dangerous environments while maintaining safety distances that would be impossible with standard thermal cameras. Utility technicians can assess energized transmission lines from ground level without bucket truck access, eliminating fall hazards and arc flash exposure. Industrial safety professionals can monitor process equipment from outside exclusion zones, maintaining compliance with safety protocols while obtaining diagnostic-quality thermal data. Emergency responders can evaluate structural fires and hazmat incidents from safe positions. This extreme standoff capability protects personnel while ensuring comprehensive thermal assessment.
What is the warranty period for the UT-Z045 Ultra Telephoto Lens?
UNI-T provides a 1-year warranty on the UT-Z045 Ultra Telephoto Lens, covering manufacturing defects and component failures under normal use conditions. This warranty ensures your investment in professional thermal imaging accessories is protected.
The UT-Z045 Ultra Telephoto Lens represents the ultimate long-range thermal imaging solution for the UTi760X system, delivering measurement capability at distances that would require expensive drone-mounted systems or dangerous physical access with conventional equipment. Its 62.8mm focal length and exceptional 0.19 mrad spatial resolution enable accurate component-level diagnostics at extreme standoff distances, while the ultra-narrow 7° x 5.6° field of view eliminates background interference for clear thermal anomaly identification.
Whether you're a utility company inspecting transmission infrastructure, a telecommunications technician assessing tower equipment, an industrial facility monitoring elevated process systems, or a building inspector evaluating high-rise structures, the UT-Z045 Ultra Telephoto Lens provides the extreme distance capability and measurement precision your specialized applications demand. Its combination of magnification, resolution, and safety standoff distance makes it an essential tool for any thermal imaging program involving distant or inaccessible targets.
UNI-T stands behind the UT-Z045 Ultra Telephoto Lens with comprehensive technical support and a 1-year warranty. Our dedicated support team is available to assist with lens selection, application questions, and warranty service.
The UNI-T UT-Z045 Ultra Telephoto Lens delivers unmatched long-range thermal imaging capability and spatial resolution for professional inspection work. With its 62.8mm focal length, 7° x 5.6° ultra-narrow field of view, industry-leading 0.19 mrad spatial resolution, and F/1.3 aperture, it provides the extreme magnification, exceptional detail, and maximum safety standoff distance needed for utility transmission systems, telecommunications infrastructure, elevated industrial equipment, and specialized building assessment across demanding professional environments.
Order Your UT-Z045 Ultra Telephoto Lens Today and Achieve Extreme Distance Thermal Imaging Capability
