Basler acA2040-55um 3.2 MP USB 3.0 Monochrome Camera

Technical Overview

3.2 MP monochrome USB 3.0 camera with Sony IMX265 global shutter, 55 fps, 29x29x29mm, for high-speed industrial imaging.

Key Features

3.2 MP (2048 x 1536) default resolution
55 frames per second at full resolution
Sony Pregius IMX265 1/1.8" CMOS global shutter sensor
USB 3.0 interface with 5 Gbit/s SuperSpeed
Monochrome output with 8/12-bit pixel depth options
C-mount lens compatibility
Compact form factor: 29.3 x 29 x 29 mm (without lens mount or connectors)
Power over USB for simplified cabling
Multiple synchronization options: hardware, software, and free-run
One opto-coupled input, one opto-coupled output, and two general purpose I/O (GPIO) lines
Basler Pylon SDK software suite included for easy setup and integration
High quantum efficiency of 70% (typical) and dynamic range of 73.4 dB (typical)

Technical Specification Matrix

Parameter	Value
Resolution (H x V Pixels)	2048 x 1536 (default), 2064 x 1544 (full resolution)
Resolution	3.2 MP
Sensor Type	Sony IMX265LLR-C Progressive scan CMOS Global shutter
Sensor Format (Optical)	1/1.8"
Effective Sensor Diagonal	8.9 mm
Pixel Size (H x V)	3.45 x 3.45 µm
Frame Rate (at Default Settings)	55 fps
Mono / Color	Monochrome
Image Data Interface	USB 3.0, nominal max. 5 Gbit/s (SuperSpeed)
Pixel Depth	10/12 bit (8/12 bit selectable)
Synchronization	Hardware Trigger (GPIO), Software Trigger, Free-Run
Exposure Time Control	Via hardware trigger, Programmable via camera API
Camera Power Requirements	≈2.5 W (typical) @ 5 VDC (via USB)
Power Consumption (typical)	4.0 W
I/O Lines	1 opto-coupled input, 1 opto-coupled output, 2 general purpose I/O (GPIO) lines
Lens Mount	C-mount
Housing Temperature	0 °C – 50 °C
Conformity	CE (includes RoHS), EAC, UKCA, UL Listed, FCC, GenICam 2.x, IP30, USB3 Vision, REACH, KC
Dynamic Range (typical)	73.4 dB
Quantum Efficiency (typical)	70 %
Dark Noise (typical)	2.2 e¯
Saturation Capacity (typical)	10.4 ke¯
Signal-to-Noise Ratio (typical)	40.1 dB
Physical Weight (kg)	0.08
Dimensions L x W x H (cm)	2.93 x 2.9 x 2.9

Industrial Applications

1. High-Speed Defect Detection in Manufacturing

This camera is ideal for rapid, high-precision inspection of products on fast-moving assembly lines. Its global shutter technology eliminates motion blur, and the 3.2 MP monochrome sensor provides sharp, detailed images essential for accurate defect analysis.

Problem Solved

Fast-moving objects in manufacturing often result in motion blur when using rolling shutter cameras, leading to missed defects and compromised quality control. The global shutter (Sony IMX265) and high frame rate (55 fps) ensure clear, undistorted images, enabling reliable automated quality inspection.

Machine VisionQuality ControlAutomated Optical Inspection (AOI)Global ShutterHigh Frame RateDefect DetectionIndustrial Automation

2. Automated Component Alignment and Positioning

The camera's 3.2 MP high resolution and precise 3.45 µm pixel size, coupled with C-mount flexibility for various optics, enable highly accurate measurement and alignment of small components in robotic or pick-and-place operations. Its compact form factor (29.3 x 29 x 29 mm) allows seamless integration into tight industrial spaces.

Problem Solved

Achieving precise alignment of miniature components requires high spatial accuracy and a compact camera system that can fit into restricted areas. The camera's detailed resolution and small pixel size provide the necessary visual fidelity for sub-pixel accuracy in demanding alignment tasks for assembly and robotics.

RoboticsPick-and-PlacePrecision MeasurementComponent AlignmentVision-Guided RoboticsC-MountCompact Design

3. Industrial Metrology and Dimensional Measurement

With a stable 55 fps frame rate, high 3.2 MP resolution, and monochrome output for excellent contrast, this camera is perfectly suited for performing accurate dimensional measurements of parts, ensuring compliance with strict tolerance requirements in industrial metrology. The integrated I/O lines facilitate synchronization with external triggers or lighting systems.

Problem Solved

Manual dimensional checks are time-consuming, prone to human error, and lack the repeatability required for high-volume manufacturing. Automated metrology systems demand high-fidelity image acquisition to deliver reliable and consistent measurements. This camera's specifications support stable, accurate, and repeatable data capture for quality assurance.

MetrologyDimensional MeasurementQuality AssuranceIndustrial InspectionRepeatabilityTrigger SynchronizationHigh Contrast Imaging