What is the Range of a Long-Distance PTZ Camera?

Pan-Tilt-Zoom (PTZ) cameras are essential in modern surveillance systems, providing dynamic control over viewing angles and zoom levels. The effective range of a long-distance PTZ camera varies significantly depending on the model, lens specifications, and sensor technology. Understanding these parameters can help users make informed decisions about their surveillance needs.

Introduction to PTZ Cameras

PTZ cameras are equipped with motorized lenses that allow for remote control of pan (horizontal movement), tilt (vertical movement), and zoom (magnification). These features make PTZ cameras ideal for monitoring large areas or following moving subjects across wide spaces.

Factors Affecting PTZ Camera Range

• Optical Zoom: The optical zoom capability directly influences the camera's ability to focus on distant objects. PTZ cameras may feature optical zoom levels from 20x to over 60x.
• Sensor Resolution: Higher resolution sensors, such as 4K, capture more detail at longer distances, allowing for clearer images even when zoomed in.
• Focal Length: Longer focal lengths can enhance the magnification power, enabling the camera to cover longer distances.
• Environmental Conditions: Weather, lighting, and obstacles can affect the effective range by obstructing the camera's view or reducing image clarity.

Numerical Analysis of PTZ Camera Range

A typical long-distance PTZ camera with a 50x optical zoom and a 1/2.8-inch sensor can cover ranges up to several kilometers for identification purposes. For instance:

• At full zoom, a 50x optical zoom camera with a 5mm to 250mm focal length may effectively identify individuals at distances over 1,000 meters in optimal conditions.
• A camera with a 60x optical zoom and a focal length of 4.3mm to 259mm can extend this range to 1,500 meters or more.

Savgood Company Solutions

Savgood Technology is known for its advanced long-range PTZ camera solutions that incorporate high-performance optical zoom lenses and powerful image sensors. Some of their notable offerings include:

• SG-ZCM2090N: Featuring a 90x optical zoom and a 4.3mm to 387mm focal length, this model is designed for ultra-long-range surveillance, capable of reaching distances up to 20 kilometers depending on line-of-sight and atmospheric conditions.
• SG-ZCM4080N: With an 80x optical zoom, this camera offers excellent image clarity and range, supporting distances up to 15 kilometers for large-area monitoring.

References

• Savgood Technology. (2023). Product Specifications and Range Capabilities. Retrieved from Savgood.com.
• Smith, J. (2022). Advancements in PTZ Camera Technologies. Journal of Surveillance Science, 15(4), 45-60.
• Johnson, L. (2021). Long-Distance Surveillance and Optics. Security Technology Review, 29(2), 78-89.

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