SR Series – C-Mount Design
A vibration-resistant, compact designed lens for high-resolution sensors, up to 1.1″ with a pixel size of 2.74 μm, along with an AR coating, transmitting visible to NIR (400–1000 nm).

Key Specifications:
- Focal Length Range: From 6 mm to 50 mm
- Aperture (F No.): f/1.5 to f/2.2 (adjustable up to f/16)
- Resolution: Up to 150 lp/mm
- Minimum Working Distance: From 100 mm to 300 mm
- Maximum Magnification: 0.05 to 0.215
- Angle of View: Depending on focal length, from 99.43° × 82.63° (6 mm) to 12° × 9° (50 mm)
- TV Distortion: <2.4% to <1.0%
- Weight: 140 g – 350 g
The SR Series is ideal for applications requiring high-quality, precise imaging, such as in machine vision systems and industrial inspection.
UR Series – C-Mount Design
A vibration resistant, compact designed lens for ultra high-resolution sensors, up to 2/3″ with a pixel size of 2.2 μm, along with an AR coating, transmitting visible to NIR (400–1000 nm).

Key Specifications:
- Focal Length: Ranges from 6 mm to 50 mm
- Aperture (F No.): f/1.6 – f/2.5 (stoppable down to f/16)
- Minimum Working Distance: 100 mm – 300 mm
- Maximum Magnification: 0.053 – 0.194
- Angle of View (H × V): From 74.3° × 57.9° (6 mm) to 7.9° × 5.9° (50 mm)
- TV Distortion: <2.8% to <0.1%
- Weight: 50 g – 70 g
- Filter Thread: M25.5 x 0.5 (select models)
With ultra-low distortion and a lightweight build, the ML-UR Series is an excellent choice for systems requiring high precision and efficiency.
HR Series – C-Mount Design
A vibration resistant, compact designed lens for high-resolution sensors, up to 2/3″ with a pixel size of 4.5 μm, along with an AR coating, transmitting visible to NIR (400–1000 nm).

Key Features:
- Focal Length: From 8 mm to 50 mm
- Aperture (F No.): f/1.8 – f/2.5 (adjustable down to f/16)
- Resolution: 130 lp/mm
- Minimum Working Distance: 100 mm – 300 mm
- Maximum Magnification: 0.071 – 0.160
- Angle of View (H × V): From 58.2° × 44.7° (8 mm) to 10.1° × 7.5° (50 mm)
- TV Distortion: <1.2% to <0.1%
- Filter Thread: M25.5 x 0.5
- Weight: 40 g – 60 g
FF Series
A compact designed lens for large-format area scan and line scan cameras with high-resolution and low distortion optical features. (Focusing available with a variable mount tube.)

Key Specifications:
- Focal Length Range: From 28 mm to 100 mm
- Aperture (F No.): f/2.8 to f/4.0 (adjustable up to f/22)
- Resolution: Up to 16k/5μm
- Minimum Working Distance: From 200 mm to 1000 mm
- Maximum Magnification: 0.035 to 0.4
- AR Coating: Vis or Vis-NIR
- Lens Mount: M39
Lens Accessories
Filters

Adaptors
For F-Mount
ML-TUBE-F: F-Mount Adapter with Focus Adjustment
ML-EXR-M35M39: Mount Adapter Conversion Ring from M35 to M39 Configurable Mount for ML-5540-62M35 (use with ML-TUBE-F)
Close up rings/Spacers

If you’re interested, please contact us for direct consultation about the product!
📧 sales@bee.vision
📞+84 969 705 972
📞024 6656 9218
🌐website: Bee.vision
🔗linkedin: https://www.linkedin.com/company/beevision