120 mm clear aperture 48× zoom 1500 mm near-infrared motorized zoom lens
Long-range NIR 48× zoom lens for defense applications, up to 1500 mm
Model: SK120/48X-1500NIR
Spectral transmission peak: 700nm-1100nm
Focal Length Range: f31–1500 mm
Image size: Φ16mm (adapted to 1" sensor)
Maximum resolution: 8 MP
Focus mode: motorized focus/auto focus/fixed focus
Overall dimensions: length 503mm× width 175mm× height 139mm
Product details
120 mm clear aperture 48× zoom 1500mm near-infrared motorized zoom lens technical specifications
I. Product Model
Model: SK120/48X-1500NIR
Name: 120 mm clear aperture 48× zoom 1500mm near-infrared motorized zoom lens
Data Release Date: July 1, 2026
II. Main Optical Specifications
Focal Length Range (mm): f31 - 1500
Zoom ratio: 48×
Image size: Φ16mm (adapted to 1" sensor)
Relative aperture: F6 (wide-angle end) - F12.5 (telephoto end)
Spectral response: 700nm - 1100nm
Spectral transmission peak: 700nm-1100nm
III. Imaging performance indicators
Pixel definition: ≥3.1μm
Maximum resolution: 8 MP (based on 1" image sensor format)
Optical-axis stability: ≥5 pixels (based on 4μm pixel pitch)
IV. Control system
Zoom mode: motorized zoom/preset zoom
Zoom time: shortest focus to longest focus conversion time ≤ 16s (normal temperature)
Focus mode: motorized focus/auto focus/fixed focus
Focusing time: Auto focus mode: ≤3s; Fixed focus mode: No need to adjust the focus throughout the zoom process, the whole process is clear
Back-focus adjustment: ±0.5 mm
Position feedback: magnetic encoder
Feedback accuracy: ±5%
Power supply: DC12V,<10W
Data interface: RS422 full-duplex communication
V. Structural design
Mechanical interface: standard C-mount (custom interfaces available)
Overall dimensions (mm): including bracket: 503×175×139
Weight (kg): ≤6.6 (bare lens); ≤8.1 (including motor); ≤9.9 (including electronic control cabin)
VI. Environmental Specifications
Shock resistance: GJB150.18A-2009
Vibration resistance: GJB150.16A-2009
Working temperature: -40℃ - +60℃
VII. Optional Functions
Filter system: motorized 2/3/4-position switching
Technical support
Contact person: Dong You
Phone / WeChat: 13331697285
Email: xianglongduan1998@gmail.com