Axis i-CS F1.5 1/1.8 Varifocal Lens 3.9-10mm

Axis i-CS F1.5 1/1.8" Varifocal Lens 3.9-10mm

The Axis i-CS F1.5 1/1.8" (3.9-10 mm) varifocal lens (SKU: 02367-001) is a precision optical component engineered for professional IP surveillance systems requiring adaptive focal length capabilities. This intelligent lens delivers exceptional image clarity across diverse lighting environments, making it ideal for security integrations where flexibility and performance are non-negotiable.

Key Features

• 3.9–10 mm varifocal range for flexible framing and coverage adaptation
• F1.5 maximum aperture for superior low-light performance and detail capture
• 1/1.8" sensor compatibility for optimal resolution and sensor pairing
• i-CS (intelligent-CS) mount enabling automatic focus, zoom, and aperture control
• IR-corrected optics for accurate color rendering and night vision compatibility
• CS-mount configuration for seamless integration with compatible Axis camera bodies
• Compact dimensions: 59 x 67.5 mm (2.3 x 2.7 in) for space-constrained installations

Technical Specifications

The lens utilizes advanced i-CS mount technology, which communicates directly with compatible Axis camera platforms to automate critical functions including focus adjustment, optical zoom control, and aperture optimization. This intelligent integration eliminates manual configuration requirements and ensures consistent image quality across varying scenes and lighting conditions. The F1.5 aperture maximizes light transmission, enabling superior performance in low-illumination environments such as parking areas, hallways, and perimeter zones. IR-correction ensures accurate white balance when integrated with cameras equipped with removable IR-cut filters for night vision applications.

Ideal Applications

• Airport and transportation hub monitoring
• Urban and city surveillance infrastructure
• Industrial facility and warehouse security
• Large-area perimeter protection
• Dynamic scenes requiring adaptive focal length coverage
• Low-light and mixed-lighting environments

Karl Wilson

The Axis i-CS F1.5 varifocal lens represents a robust choice for integrators deploying intelligent surveillance networks. The i-CS mount's automated control eliminates focus hunting and lens hunting artifacts common with manual varifocal systems, resulting in faster object tracking and cleaner video output. The 3.9–10 mm range (approximately 2.6x magnification) balances wide situational awareness with targeted detail capture—particularly valuable in open surveillance zones where pan-tilt-zoom functionality may be limited.

The F1.5 maximum aperture outperforms typical F2.0 designs, providing an additional 77% light transmission advantage in dim lighting. This lens pairs optimally with 1/1.8" sensor Axis platforms, ensuring minimal optical vignetting and corner softness. For security operations prioritizing automated, maintenance-free operation and consistent image quality across day/night transitions, this lens delivers measurable performance gains.