50 mm clear-aperture series, 30× zoom, 420 mm motorized zoom lens
Lightweight NIR design for defense applications:30×420mm zoom lens
Model Number: SK50/30X-420NIR
Spectral transmission peak:700nm-1100nm
Focal Length Range: f14mm - 420mm
Image Format: Φ 12.5mm
Maximum Resolution: 8 MP
Focus mode: Parfocal design
Dimensions: L 203mm× W 93mm× H 91mm
Product details
Main features and advantages
Defense applications · Research applications · Lightweight · Compact · 4K resolution · 2K resolution · Broad spectrum · No color difference · 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
SK50/30-420NIR
II. Main Optical Specifications
Focal Length Range: f14–420 mm
Zoom ratio: 30×
Image size: φ12.5mm (adapted to 1/1.3″ sensor)
Relative aperture: F5 (wide-angle end) – F9 (telephoto end)
Spectral transmission peak: 700nm-1100nm
III. Imaging performance indicators
Pixel definition: ≥2.1μm
Maximum resolution: 8 MP (based on 1/1.3″ 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 203mm× width 93mm× height 91mm
Overall machine weight: > 1.25kg (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: Tel 13331697285 Emailxianglongduan1998@gmail.com Contact person: Dong You
Data Release Date: July 1, 2026
