Kowa LM25JS5MA 25mm F0.85 Fixed Focal Low Light Lens for 1-Inch 5MP Sensors with Auto Iris and Broadband 400–1000nm Coating

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Designed for precision surveillance and imaging in low-light environments, the Kowa LM25JS5MA delivers fast, sharp optical performance with its F0.85 aperture and support for 1-inch format image sensors. The 25mm fixed focal length enables accurate targeting over medium distances, while the broad-spectrum coating (400nm to 1000nm) supports both visible and NIR surveillance, making this lens ideal for round-the-clock monitoring and machine vision.

This 5MP-resolution CS-mount lens includes a DC auto iris for automatic light adjustment and manual focus for field flexibility. Engineered for professional security applications such as ITS, perimeter defense, and advanced CCTV systems, the lens features a robust 800g housing, wide 29° horizontal viewing angle, and is optimized for pixel sizes down to 2.5µm. It operates reliably across challenging environments with a -10°C to +50°C range and includes a 25cm 4-pin iris control cable for integration into intelligent camera systems.

Features:

• 25mm fixed focal length for 1" format sensors
• Extremely fast F0.85 aperture for high brightness
• CS-mount compatible with compact camera systems
• 5 Megapixel resolution for sharp imaging
• DC auto iris for dynamic exposure response
• Manual focus control for installation precision
• Broadband anti-reflective coating (400–1000nm)
• M77 x 0.75mm front filter thread
• 29° horizontal field of view
• Rugged 800g design for harsh environments
• -10°C to +50°C operating temperature
• 25cm 4-pin iris control cable included

Applications:

• Nighttime surveillance and perimeter monitoring
• Traffic control and intelligent transport systems
• Border security and checkpoint observation
• High-resolution CCTV for critical infrastructure
• Near-infrared machine vision applications
• Low-light industrial imaging systems

Model Kowa LM25JS5MA Sensor Format 1" Resolution 5 Megapixel Focal Length 25mm Aperture Range F0.85 – F360 Aperture Control DC Auto Iris (AI-DC) Focus Control Manual Mount Type CS-Mount Filter Thread M77 x 0.75mm Minimum Object Distance 3 meters Horizontal Field of View 29° Wavelength Range 400nm – 1000nm (Broadband Coated) Dimensions (mm) 78.5 x 117 Weight 800g Operating Temperature -10°C to +50°C Cable & Connector 25cm cable with 4-pin plug Primary Uses Surveillance, ITS, Border Security, NIR Imaging