ace Series

Basler ace acA2040-90um Area Scan Camera

The Basler acA2040-90um USB 3.0 camera with the CMOSIS CMV4000 CMOS sensor delivers 90 frames per second at 4 MP resolution.

(H x V pixels)
2048 px x 2048 px
Pixel Size horizontal/vertical 5.5 µm x 5.5 µm
Frame Rate 90 fps
Mono/Color Mono
Interface USB 3.0
Video Output Format Mono 8, Mono 12, Mono 12 Packed
Pixel Bit Depth 10, 12 bits
Exposure Control
  • programmable via the camera API
  • external trigger signal
  • external trigger
  • software
  • free-run
Housing box
Quantum Efficiency (typical) 62,07 % (at 545 nm)
Dark Noise (typical) 13,8 e¯
Saturation Capacity (typical) 11,9 ke¯
Dynamic Range (typical) 58,7 dB
Signal to Noise Ratio 40,8 dB
Housing Size (L x W x H) in mm 29.3 x 29.0 x 29.0
Housing Temperature 0 °C - 60 °C
Lens Mount
  • C-mount
Digital Input 1
Digital Output 1
General Purpose I/O 2
Power Requirements Via USB 3.0 interface
Power Consumption (typical) 3.2 W
Weight (typical) 80 g
  • CE
  • RoHS
  • GenICam
  • IP30
  • UL (in preparation)
  • FCC
  • USB3 Vision
  • USB IF (in preparation)
Sensor Vendor CMOSIS
Sensor CMV4000
Shutter global shutter
Max. Image Circle 1 inch
Sensor Type CMOS
Sensor Size (mm) 11.26 mm x 11.26 mm
Order Number 106541
Physical Interface and I / O Control
  • Debouncer
  • Minimum Output Pulse Width
  • IO Signals: Frame Burst Start Wait
  • IO Signals: Frame Start Wait (ex Ready4Trigger)
  • IO Signals: UserOutput
  • IO Signals: Timer 1 Active
Image Acquisition Control
  • AcquisitionStartTrigger
  • FrameStartTrigger
  • Triggered by Software
  • Triggered by IO
  • Trigger Delay
  • Acquisition Status
  • FrameBurstStartTrigger
Standard Features
  • Region of Interest
  • Binning Horizontal
  • Binning Vertical
  • Decimation Vertical
  • Reverse X (Horizontal Mirroring)
  • Reverse Y (Vertical Mirroring)
  • AutoFunctionProfile
  • Lookup Table
  • Test Images
  • Sequencer
  • Adjustable Gain All
  • Automatic Gain Control
  • Adjustable Black Level All
  • Gamma Correction (User)
  • Exposure Control via API
  • Exposure Control via external trigger
  • Automatic Exposure Control
  • Configuration Sets
  • UserDefinedValue
  • RemoveParameterLimits
  • Device Information Parameters
Chunks and Event Reporting
  • Time Stamp
  • I/O Line Status
  • CRC Checksum
  • CounterChunk
  • Sequencer Set Active
  • Exposure Time
  • Gain Value
  • ExposureEnd
  • FrameStart
  • FrameStartOvertrigger
  • FrameBurstStart
  • FrameBurstStartOvertrigger
Pixel Formats
  • Mono8
  • Mono12
Please find the mechanical drawings (CAD) in the “Downloads” tabBasler ace acA2040-90um Area Scan Camera - Dimensions



Application Notes



White Papers

Success Stories

Marketing Notes

CAD / Technical Drawings

Current pylon for OS X

Current pylon for Windows

Current pylon for Windows Redistributables

Current pylon for Linux

Archive pylon for Windows

Archive pylon for Linux

Frame Rate Calculator

pylon Driver Package
At the "Downloads"-Tab you can download the Basler pylon Camera Software Suite for free. The pylon Software Suite operates with all of our GigE, IEEE 1394 and USB 3.0 cameras and most of our Camera Link cameras. It offers reliable and flexible image data exchange between your Basler cameras and the PC, at a low CPU load. Please find more information on pylon on
Third Party
We list several manufacturers offering compatible products such as software or frame grabbers under the following link.

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