
( Brand: Computar ), ( Manufacturer Part Number: TG4Z2813FCS-IR )
The TG5Z8513FCS-IR Computar VariFocal 8.5-40mm F1.3 IR Lens is an exceptional piece of optical equipment, designed for professional-grade applications. This lens boasts a variable focal length of 8.5 to 40mm, providing an impressive range of field of view, making it versatile for various surveillance setups.
The F1.3 aperture ratio ensures exceptional low-light performance, allowing the lens to capture clear and sharp images even in dimly lit environments. The IR (infrared) capability further extends its functionality, enabling night vision in complete darkness.
The lens is constructed using high-quality materials, ensuring durability and resistance to harsh weather conditions. Its robust construction makes it suitable for outdoor use, while its compact size allows for easy integration into various systems.
The TG5Z8513FCS-IR Computar VariFocal lens features a manual zoom control, allowing for precise adjustment of the lens's focal length. This manual control also ensures smooth and precise focusing, ensuring the best possible image quality.
In conclusion, the TG5Z8513FCS-IR Computar VariFocal 8.5-40mm F1.3 IR Lens is a powerful and versatile tool for professionals in the fields of security, surveillance, and broadcasting. Its exceptional low-light performance, IR capability, durability, and manual control make it an excellent choice for those seeking high-quality images in challenging conditions.
The Computar VARIFOCAL 8.5-40mm F1.3 TG5Z8513FCS-IR and TG4Z2813FCS-IR lenses are high-quality vari-focal infrared lenses that offer several advantages and disadvantages.
Pros:1. Wide Field of View (FoV): The lens offers an adjustable field of view from 8.5mm to 40mm, making it suitable for various surveillance applications.
2. High Resolution: With an F1.3 aperture, the lens provides excellent low-light performance and high-resolution images, ensuring clear and sharp footage.
3. Infrared Capability: The lens is equipped with IR technology, allowing it to capture images in complete darkness, making it ideal for night surveillance.
4. Durable Construction: The lens is built to withstand harsh weather conditions, thanks to its rugged and weather-resistant construction.
Cons:1. High Cost: The lens is quite expensive compared to other vari-focal lenses in the market.
2. Requires Power Supply: The lens requires a separate power supply, which can add to the overall cost and complexity of the surveillance system.
3. Limited Zoom Range: Although the lens offers a wide FoV, its zoom range may not be sufficient for some applications that require a longer focal length.
Conclusion:The Computar VARIFOCAL 8.5-40mm F1.3 TG5Z8513FCS-IR and TG4Z2813FCS-IR lenses are high-quality vari-focal infrared lenses that offer excellent low-light performance and wide FoV. However, their high cost, the need for a separate power supply, and limited zoom range may be a disadvantage for some users.
Recommendation:If you are looking for a high-quality vari-focal infrared lens for surveillance applications in low-light conditions, then the Computar VARIFOCAL 8.5-40mm F1.3 TG5Z8513FCS-IR and TG4Z2813FCS-IR lenses are worth considering. However, ensure that the high cost and additional power supply requirements are within your budget and capabilities. If you require a longer focal length, you may want to consider other options or consider adding a telephoto lens to your system.
New, Computar vari focal TG5Z8513FCS-IR 8. 3 box has some shelf wear.