The DT-ONX5 is purpose-built for professional surveillance applications where reliable, detailed observation at a distance is paramount. As a specialized Optical Lens for Surveillance Systems, its specifications translate into operational advantages for fixed or mobile surveillance platforms in challenging environments.
Its core capability is defined by 5X optical magnification paired with a narrow 4-8° field of view. This combination is optimal for surveillance: theOptical Lens for Surveillance Systems allows operators to monitor a specific, distant point of interest such as a perimeter gate, border line, or critical infrastructure detail with high clarity, rather than diluting resolution over a wide, undistinct area. This enables positive identification where standard lenses would only offer detection.
To ensure effectiveness around the clock, the lens features a large F1.5 aperture. This maximizes light intake, which is crucial for maintaining image usability during night-time or low-light surveillance shifts without over-relying on artificial illumination that could reveal the observer's position. TheOptical Lens for Surveillance Systems leverages this aperture design to deliver consistent performance across 24/7 monitoring cycles.
|
MODEL |
DT-ONX3 |
DT-ONX4 |
DT-ONX5 |
|
FOV(°) |
12-15 |
5-10 |
4-8 |
|
Optical dynameter |
3X Ф42 FL=50 |
4X Ф55 FL=70 |
5X Ф65 FL=90 |
|
relative illumination |
95% |
95% |
95% |
|
Optical aperture (objective) |
F1.3 |
F1.4 |
F1.4/2.8 |
|
Optical MTF |
150LP/mm |
150LP/mm |
150LP/mm |
|
Optical distortion |
0.5%Max |
0.5%Max |
0.5%Max |
|
Focusing range |
5M-ꝏ |
10M-ꝏ |
15M-ꝏ |
|
Focusing mode |
manual operation |
manual operation |
manual operation |
|
Material |
High strength aviation aluminum |
||
|
shock strength |
>1000G |
>1000G |
>1000G |
|
Operating Temperature (℃) |
-50--+80℃ |
-50--+80℃ |
-50--+80℃ |
|
Relative Humidity |
5%-95% |
5%-95% |
5%-95% |
|
Waterproof |
IP65/IP67 |
IP65/IP67 |
IP65/IP67 |
|
Dimensions(mm) |
85x62x42 |
110x72x58 |
138x82x68 |
|
Weight (no battery) |
1299 |
214g |
330g |
Furthermore, its design prioritizes unattended reliability. Constructed from high-strength aviation aluminum with >1000G shock resistance, theOptical Lens for Surveillance Systems can endure vibrations from mounting on vehicles or structures. An operational temperature range of -50°C to +80°C and optional IP65/IP67 waterproofing ensure consistent performance in extreme weather, from desert heat to freezing coastal conditions, making it a set-and-forget component in a robust surveillance system.
FAQ
Q: For surveillance, why is a narrow 4-8°field of view at 5X magnification an advantage?
A: It provides high detail on a specific, distant target area. This allows for clearer identification of persons, objects, or activities at range, which is more valuable for most surveillance tasks than a wide but low-detail overview.
Q: How does the F1.5 aperture benefit a 24/7 surveillance operation?
A: It captures significantly more ambient light,producing a brighter image during dawn, dusk, and night. This reduces image noise and extends effective monitoring time without using additional, potentially detectable IR lights.
Q: Is this lens suitable for covert surveillance?
A: Yes. Its ability to gather detail at long distances allows the observation platform to remain far from the target area. Combined with its passive low-light performance , it minimizes the risk of detection during surveillance activities.
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