Features
Designed specifically for machine vision applications
Applicable to cameras with 20-megapixel resolution
Compact and lightweight
Up to 5G vibration resistance (Vibration)
Low distortion
Uniform illumination and sufficient brightness in the corners of the screen
Adopting a floating design, high resolution can be maintained even when the shooting distance changes.
Overall dimensions

Features
Designed specifically for machine vision applications
Applicable to cameras with 20-megapixel resolution
Compact and lightweight
Up to 5G vibration resistance (Vibration)
Low distortion
Uniform illumination and sufficient brightness in the corners of the screen
Adopting a floating design, high resolution can be maintained even when the shooting distance changes.
Overall dimensions

| model | HN-7531-20M-C1/1X |
| brand | Daheng image |
| Focus type | fixed focal length |
| resolution | 20M |
| Focal length(mm) | 75 |
| sensor size (inch) | 1 |
| Field of view (H×V) | 9.8° × 7.3° |
| Aperture range | F3.1-F16 |
| distortion(%) | <0.1 |
| Lens mount | C |
| Thread size | M30.5 × 0.5 |
| Minimum working distance (mm) | 250 |
| Working distance(mm) | 250-∞ |
| Mechanical dimensions (D×L)(mm) | Φ42.0×79.8 |
| weight | 176g |
| model | HN-7531-20M-C1/1X |
| brand | Daheng image |
| Focus type | fixed focal length |
| resolution | 20M |
| Focal length(mm) | 75 |
| sensor size (inch) | 1 |
| Field of view (H×V) | 9.8° × 7.3° |
| Aperture range | F3.1-F16 |
| distortion(%) | <0.1 |
| Lens mount | C |
| Thread size | M30.5 × 0.5 |
| Minimum working distance (mm) | 250 |
| Working distance(mm) | 250-∞ |
| Mechanical dimensions (D×L)(mm) | Φ42.0×79.8 |
| weight | 176g |