SK40/20-400NIR NIR 20–400 mm Motorized Zoom Lens — 40 mm Clear Aperture

Main features and advantages

Defense applications · Research applications · Lightweight · Compact · 12 MP · 4K resolution · 2K resolution · Broad spectrum · Chromatic-aberration correction · Multispectral · Impact resistance · Parfocal design · High optical-axis consistency · Standardization · Product family standardization · Digital control · Support customization · Manufactured in China · Mature and reliable

I. Product Model

SK40/20-400NIR   

II. Main Optical Specifications

Focal Length Range: f20–400 mm

Zoom ratio: 20×

Image size: φ13.3mm (adapted to 1/1.2″ sensor)

Relative aperture: F5.7 (wide-angle end) – F10.7 (telephoto end)

Spectral transmission peak: 700nm-1100nm

Spectral response: 400nm – 1100nm (visible light-near-infrared spectrum band)

III. Imaging performance indicators

Pixel definition: ≥2.45μm

Maximum resolution: 12 MP (based on 1/1.2″ image sensor format)

Optical-axis stability: ≥3 pixels (based on 4μm pixel pitch)

IV. Control system

Zoom mode: motorized zoom/preset zoom

Focus mode: motorized focus/auto focus/fixed focus

Back-focus adjustment: ±4 mm

Position feedback: magnetic encoder

Feedback accuracy: ±5%

Power supply: DC12V,＜10W

V. Structural design

Mechanical interface: standard C-mount (custom interfaces available)

Overall dimensions: length 188mm× width 80mm× height 80mm

Overall machine weight: > 0.95kg (including drive mechanism)

VI. Environmental Specifications

Shock resistance: GJB150.18A-2009

Vibration resistance: GJB150.16A-2009

Operating temperature: -45°C – +60°C

VII. Optional Functions

Filter system: motorized 2/3/4-position switching

Control interface: RS422

 Technical support: Dong You Telephone/WeChat 13331697285 Email: xianglongduan1998@gmail.com

Data Release Date: July 1, 2026