Ultra-Compact, Lightweight, Entry Level Machine Vision Camera with Pregius Sensors: Firefly S

The FLIR Firefly® S camera includes the crucial machine vision features required in a highly compact body.

The camera is lightweight, has a compact size, and consumes minimal power, making it ideal for incorporating into handheld devices. The FLIR Firefly® S offers incredible value by integrating robust on-camera features with the new CMOS sensors.

Small, Light, and Low Power

The FLIR Firefly® S is perfect for integrating into compact, portable, and handheld devices. It has a footprint of 27 x 27 x 14 mm, weighs 20 g, and consumes 2.2 W of power.

Core Machine Vision Capabilities

The FLIR Firefly® S includes the crucial machine vision features, such as triggering, GPIO, and partial image modes.

Exceptional Value

Users can now access the new global shutter CMOS sensors at low starting costs of just USD $199.


Source: FLIR Systems

ADC 10-bit
Chroma Mono
Frame Rate 121
Lens Mount C-mount
Megapixels 0.4
Part Number FFY-U3-04S2M-C
Pixel Size 6.9
Quantum Efficiency 64 (530 nm)
Readout Method Global shutter
Resolution 750 x 540
Sensor Format 1/2.9"
Sensor Name Sony IMX297
Sensor Type CMOS
Warranty 3 years
Compliance and Certifications
Compliance CE, FCC, KCC, RoHS, REACH. The ECCN for this product is: EAR099
Machine Vision Standard USB3 Vision v1.0
Operating Humidity 20% to 80% (no condensation)
Operating Temperature 0 °C to 85 °C (case)
Storage Humidity 20% to 95% (no condensation)
Storage Temperature -30 °C to 60 °C (ambient)
Acquisition Modes Single Frame Multi Frame Continuous
Exposure Range 29.0 µs to 30.0 S
Flash Memory 24 MB non-volatile memory
Gain Range 0.0 to 48.0 dB
Image Buffer 32 MB
Image Processing Gamma, lookup table, denoise, and sharpness
Partial Image Modes ROI
Serial Port 1 (over non-isolated I/O)
User Sets 2 user configuration sets for custom camera settings
Absolute Sensitivity Threshold (y) 7.49
Dynamic Range dB 68.93
Saturation Capacity (e-) 20925
Temporal Dark Noise (e-) 6.99
Auxiliary Output 3.3 V, 120 mA maximum
Dimensions [W x H x L] 27 mm x 27 mm x 14.5 mm
Interface USB 3.1 Gen 1
Mass 20 g
Non-isolated I/O Ports 4 bi-directional
Power Consumption 2.2 W
Power Requirements 5 V via USB 3.1 interface
Recommended System Configuration
CPU 3.1 GHz or equivalent CPU
Hard Drive 200 MB hard drive space
Operating System Windows or Linux (32–bit or 64–bit)
Port USB3 Port
RAM 4 GB RAM or more




  • USB 3.1 locking cable (cast metal connectors)
  • USB 3.1 locking cable

GPIO Cables

  • JST GPIO connector for Firefly S/DL and BFS-BD

Host Adapters

  • USB 3.1 host controller card

Tripod Adapters

  • Tripod adapter for Firefly

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