The Basler ace 2 a2A5060-21g5mBAS is a high-resolution monochrome industrial camera built around the 25.6 MP onsemi E2525A (XGS 25000) global-shutter CMOS sensor in a square 1.1" optical format with 2.5 µm pixels. It streams 5064 x 5064 px images at up to 21.5 fps over a 5GigE (multi-rate 100M/1G/2.5G/5G) interface using a C-mount and conforms to GigE Vision 2.0 and GenICam. The camera supports 8/10/12-bit pixel formats, binning, flexible hardware/software triggering, and PTP (IEEE 1588) synchronization. It is powered with 12-24 VDC via an M8 6-pin I/O connector (PoE not supported), consumes about 5.8 W, and carries an IP30 rating in a compact 62 x 29 x 29 mm housing.
The Basler ace 2 a2A5060-21g5mBAS is a high-resolution monochrome area-scan camera built around the onsemi E2525A (XGS 25000) global-shutter CMOS sensor. At 5064 x 5064 px (25.6 MP) on a square 1.1" optical format with 2.5 um pixels, it delivers a very dense, geometrically symmetric image: the square aspect ratio maps cleanly to square parts, wafers, panels and trays, so you are not throwing away half the pixels imaging a round or square field the way you would with a conventional 4:3 or wide sensor. The global shutter exposes every pixel at the same instant, which is the decisive feature for any moving target. It freezes motion without the skew or smear a rolling shutter introduces, making the camera safe for conveyor-mounted parts, indexing tables and robot-carried optics where the scene and the camera are rarely perfectly still.
The interface is 5GigE in multi-rate form (100M/1G/2.5G/5G), conforming to GigE Vision 2.0 and GenICam, and that combination is what makes 25 MP at 21.5 fps (Performance mode; 19.63 fps default) practical over a single standard Ethernet cable. 5GigE gives roughly five times the bandwidth of classic GigE while keeping cable runs long and inexpensive, and the multi-rate negotiation lets the camera fall back gracefully to 2.5G/1G on existing infrastructure or longer cabling. PTP / IEEE 1588 synchronization lets you timestamp and co-trigger multiple cameras across the network without dedicated hardware lines, which matters when this 25 MP head is one station in a larger inspection cell. Pixel formats of 8/10/12-bit plus binning give you a lever to trade bit depth and resolution for throughput, and flexible hardware and software triggering ties acquisition to encoders, light barriers or PLC signals.
Lens and lighting choices are where the resolution is won or lost. The 1.1" square format with 2.5 um pixels is demanding: you need C-mount lenses rated for the 1.1" image circle and for high resolution, because a soft or undersized lens will simply blur the fine pixel pitch and waste the sensor. The C-mount keeps the camera compact (62.2 x 29 x 29 mm, 105 g) but be deliberate about MTF at the corners of the square field. Being monochrome, the camera trades color discrimination for full sensitivity and the sharpest possible per-pixel detail, ideal for contrast-, edge- and texture-driven tasks. The global shutter pairs naturally with strobed lighting fired through the trigger to freeze fast motion and boost effective light. Power is 12-24 VDC over the M8 6-pin I/O connector with no PoE support, so plan a separate supply (about 5.8 W draw); the IP30 housing and -10 to 50 C range place this firmly in a clean enclosed cabinet or machine guard rather than a washdown environment.
Best for
High-resolution surface and defect inspection of large or fine-featured parts where 25.6 MP resolves small flaws across a wide field in a single capture
Dimensional measurement and metrology on square or symmetric parts, where the 5064 x 5064 square sensor and global shutter give distortion-free, motion-frozen images
Electronics, semiconductor and wafer inspection that benefits from the dense 2.5 um pixel pitch and monochrome sensitivity on a 1.1" square field
Print and packaging quality control plus industrial OCR/OCV, where high pixel count and global shutter read fine text and codes on moving web or conveyor
Multi-camera inspection cells synchronized over the network via PTP (IEEE 1588) for robot guidance or coordinated multi-view capture
Selection notes
Match the lens to the sensor: use C-mount optics that cover the 1.1" (17.9 mm diagonal) image circle and are rated for high resolution, or the fine 2.5 um pixels will out-resolve the glass and you lose the benefit of 25 MP
Budget the network: 25.6 MP at up to 21.5 fps needs the full 5GigE link, a host NIC and switch that support 5GBASE-T, and jumbo frames; on older 1G/2.5G infrastructure the multi-rate interface still works but throughput and frame rate drop accordingly
Plan power separately because PoE is not supported. Provision 12-24 VDC (10.8 min / 30 max) to the M8 6-pin I/O connector for roughly 5.8 W, and use the same connector for hardware trigger and I/O wiring
Confirm the environment suits IP30 and -10 to 50 C. This is a cabinet- or guard-mounted camera, not a washdown or outdoor unit, so add an enclosure where dust, splash or temperature extremes are present
Use the global shutter with strobed or triggered lighting to freeze motion and maximize light on fast lines, and consider binning or reduced bit depth (8/10/12-bit) when you need higher frame rate or lower bandwidth than full-resolution 12-bit allows
Decide on monochrome deliberately: this head has no color discrimination, so for color-dependent sorting you would need a different model, but for edge, texture and contrast tasks the mono sensor gives maximum sensitivity and per-pixel sharpness
Specifications: General
Brand
Basler
Camera type
Area scan
Specifications: Sensor
Resolution
25.6 MP
Horizontal resolution
5064 x 5064 px
Mono / color
Mono
Sensor manufacturer
onsemi (ON Semiconductor XGS)
Sensor model
onsemi E2525A / XGS 25000
Shutter
Global shutter
Sensor size
1.1" square (17.9 mm diagonal)
Pixel size
2.5 x 2.5 µm
Specifications: Performance
FPS
21.5 fps (Performance mode); 19.63 fps default
Specifications: Interface
Interface
5GigE (multi-rate 100M/1G/2.5G/5G)
Protocols
GigE Vision 2.0, GenICam
Specifications: Optics
Mount
C-mount
Specifications: Electrical
Power
12-24 VDC via M8 I/O connector (PoE not supported)
Power consumption
5.8 W
Supply voltage
10.8 min / 30 max (12-24 nominal) VDC
Specifications: Environment
IP rating
IP30
Operating temperature
-10 to 50 °C
Specifications: Mechanical
Dimensions
62.2 x 29 x 29 mm
Weight
105 g
Applications this camera is commonly selected for. Open one to see the full recommended hardware and approach.
Matched automatically by: lens mount fits the camera mount · lens image circle covers the camera sensor — this camera: C-mount · 1.1" square (17.9 mm diagonal) sensor.
By category
All 67C-mount lenses 43Telecentric lenses 24
By brand
All 67Basler 34iRAYPLE 23Omron / Sentech 8Datalogic / Datasensing 2
Get a first image quickly with the pylon Viewer, then move into the pylon SDK for your application. These cameras are GenICam/GenTL-compliant, so any compliant vision software can drive them as well.
Download and install the pylon Camera Software Suite for your OS from Basler. This provides the pylon Viewer, the GenTL transport-layer producers and the pylon SDK (C/C++/.NET/Python). On Windows the installer adds the needed drivers; on Linux follow the included setup notes for USB and network permissions.
2. Connect the camera and check the link
Cable the camera to its matching interface: GigE Vision to a GigE port (use a quality cable and, ideally, a dedicated NIC with jumbo frames enabled), USB3 Vision to a USB 3.x port with the supplied cable, or CoaXPress to the frame grabber. Provide power where required (PoE, USB bus power, or PoCXP). Open the pylon Viewer and confirm the camera appears in the device list; for GigE, make sure the camera and NIC are on the same subnet.
3. Grab a first image and set exposure, gain and pixel format
Select the camera in the pylon Viewer and start a continuous grab. Adjust exposure time and gain until the image is well exposed (avoid clipped highlights), set the pixel format (e.g. Mono8 or a Bayer/RGB format), and focus the lens. Use a test pattern if the lens or scene is not ready yet.
4. Configure triggering and acquisition
Decide between free-run and triggered acquisition. For synchronized capture, set the trigger source (software or a hardware line on the I/O connector), trigger mode and any debounce or exposure mode, then verify timing. Note the parameter names you change in the Viewer feature tree, as you will reuse them in code.
5. Move to the SDK or a GenICam-compliant library
Recreate your settings in code with the pylon SDK (C, C++, .NET or Python) to open the device, apply the same features and pull frames into your pipeline; pylon vTools and pylon AI can add processing blocks. Because the cameras are GenICam/GenTL standard, third-party vision libraries work too. Once the image stream is stable, you can route frames to a deep-learning inspection such as Rosepetal for automated defect detection.
Frequently asked questions
It captures 5064 x 5064 px (25.6 MP) and runs at up to 21.5 fps in Performance mode (19.63 fps in the default mode), using the onsemi E2525A / XGS 25000 global-shutter CMOS sensor.
It is monochrome (mono) and uses a global shutter, so every pixel is exposed simultaneously, freezing motion without rolling-shutter skew or smear.
It connects over 5GigE with multi-rate support for 100M/1G/2.5G/5G, and conforms to GigE Vision 2.0 and GenICam. It also supports PTP (IEEE 1588) synchronization and flexible hardware/software triggering.
It is powered by 12-24 VDC (10.8 V min / 30 V max) through the M8 6-pin I/O connector and draws about 5.8 W. PoE is not supported, so a separate power supply is required.
It uses a C-mount with a 1.1" square sensor (17.9 mm diagonal) and 2.5 x 2.5 um pixels. The housing is IP30 rated, measures 62.2 x 29 x 29 mm, weighs 105 g, and operates from -10 to 50 C.
