Computar F1228-MPT 45 Megapixel 1.4" 12mm F2.8 (C Mount) Machine Vision Lens
The Computar F1228-MPT is a high-resolution 12mm fixed focal length lens engineered for next-generation machine vision systems requiring exceptional clarity, low distortion, and precise imaging performance. Designed to support up to 45 megapixel sensors and a large 1.4” optical format, this lens is ideal for advanced inspection, metrology, and automation environments where detail accuracy is critical.
Optimized for modern high-density sensors such as Sony IMX350 (2.74µm pixel size), the F1228-MPT delivers outstanding image sharpness across the entire field, minimizing edge degradation and maintaining consistent performance from center to corner. Its ultra-low distortion design ensures accurate measurement and reliable image processing results—essential for applications like dimensional inspection, robotics guidance, and precision alignment.
With a fast F2.8 aperture, this lens provides excellent light transmission for improved performance in controlled and low-light industrial environments. The manual iris control allows integrators to fine-tune depth of field and exposure settings based on application requirements. Built with a compact, lightweight housing, the F1228MPT is well-suited for space-constrained systems, including embedded vision platforms and multi-camera setups.
Fully compatible with C-mount camera systems, this lens integrates seamlessly into a wide range of machine vision cameras used in factory automation, quality inspection, logistics, and robotics.
Key Features:
- Supports up to 45 Megapixel resolution for ultra-high detail imaging
- Designed for 1.4” large-format sensors
- 12mm fixed focal length for wide field of view applications
- F2.8 aperture for strong light sensitivity and image clarity
- Optimized for Sony IMX350 (2.74µm pixel size) and similar sensors
- Ultra-low distortion for accurate measurement and inspection
- Manual iris control for precise exposure and depth of field adjustment
- Compact and lightweight design for easy system integration
- Standard C-Mount interface for broad compatibility
Applications:
- Factory automation & inline inspection
- Robotics and machine guidance systems
- Semiconductor and electronics inspection
- Metrology and precision measurement
- Logistics, barcode, and package inspection
- Multi-camera and embedded vision systems
| Focal Length | 12mm |
| Aperture (F) | 1:2.8 |
| Max. Image Format | φ23.1mm |
| Operation Range | Iris F2.8 - 16.0 Focus 0.15m ‐ Inf. |
| Control | Iris Manual Focus Manual |
| Operating Temperature | -10℃ ‐ +50℃ |
| Weight | 202g |
| Sensor Size | 1.4 Type - 19.08mm × 13.03mm - (D)86.1°x (H) 76.0°x (V) 56.2° 1.2 Type - 14.60mm × 12.63mm - (D)76.6°x (H) 61.9°x (V) 54.8° 1.1 Type - 14.19mm × 10.38mm - (D)71.6°x (H) 60.4°x (V) 46.1° |
| Effective Lens Aperture | Front: φ40.3mm Rear: φ18.9mm |
| Distortion (Inf.) | 1.4 Type - 0.13% |
| Back Focal Length | 10.8mm |
| Flange Back Length | 17.526mm |
| Mount | C-Mount |
| Filter Size | M72 P=0.75mm* |
| Dimensions | φ56.5mm×64.8mm φ75mm×66.1mm(withTM-1243) |



