Q1 : How does fruit and vegetable moisture detection work, and what hardware in the SWIR051A series cameras supports this application?

What hardware in the SWIR051A series cameras supports this scenario? Water molecules have a characteristic absorption dip at 1450nm in the short-wave infrared range. The difference in grayscale between intact fruit flesh and moldy or water-rich areas is obvious, so you can screen internally without cutting the sample. Hardware support: 5μm large pixels, 58.7dB high dynamic range, -10°C deep TEC cooling, up to 60s long exposure with no dark noise, global shutter to eliminate motion blur on the production line, and standard 400-1800nm filters that let you compare visible and infrared images at the same time.

Q2 :How to choose among the four SWIR051A interface models

All four cameras are equipped with the Sony IMX990 sensor, featuring the same 1280×1024 resolution and -10℃ deep TEC cooling, so their imaging quality is exactly the same. The only differences are in things like transmission interfaces and frame rates. The SWIR051AU camera supports USB power or 12V 3A power supply, plug-and-play style. It’s small, making it ideal for lab desktop setups, short-distance offline inspection, and laser spot observation. The SWIR051AG camera transmits data via Ethernet, making it suitable for long-distance wiring scenarios like factory long production line material sorting and online fruit inspection. The SWIR051ACXP camera offers high-bandwidth, stable output, perfect for high-speed semiconductor defect detection and high-precision dynamic imaging, and needs to be paired with a CXP capture card. The SWIR051ACL camera is compatible with traditional vision acquisition systems, comes with CLView software, and is suitable for high-frame-rate research platforms.

Q3 : Which systems and development languages does the SDK support? Does it support MATLAB/LabVIEW

SDK Cross-Platform: Win32/WinRT/macOS/Linux/Android, supports ARM industrial control; C/C at the core, C#, VB.NET, Python, Java on top; official full demos adapted for LabVIEW and MATLAB, compatible with Micro-Manager, DirectShow, TWAIN, no need for low-level reconstruction

1.3MP 5 μm Pixels 400-1700nm SWIR Camera

Overview

Specification

Dimensions & Pin

Triggering(I/O Interface)

Lens Guide

Software

Features

FAQ

Feedback

The SWIR051 series cameras

The SWIR051A series cameras use the Sony IMX990 InGaAs sensor, featuring a 5 μm pixel size and 1.3MP resolution, capable of achieving high sensitivity performance. This series of cameras supports multiple data interfaces, including USB3.0, GigE, CoaXPress, and CameraLink, and can be widely used in high-speed inspection, laser spot monitoring, and scientific experimental imaging applications.

Features

The spectral response range covers 400–1700 nm.

1280×1024 resolution，5 μm pixel size

Global shutter, high-speed acquisition

12-bit (8/10/12-bit optional for specific models)

Hardware ROI & external triggering

512MB cache (Model-Dependent)

CE/FCC Cerifcation，Multi-platform SDK

Software

AttosView supports Windows® 7 (64-bit),10 and 11 operating systems.
The SDK supports development languages such as C/C++, C #/VB.net, Python, Java, etc,
Third-party support including LabVIEW, MATLAB, Micro-Manager, DirectShow, and TWAIN.

Images acquired by the SWIR camera

SWIR cameras are widely used across various fields, including industrial inspection, machine vision, material sorting, food testing, scientific research, medical diagnosis, security monitoring, process control and transportation. They perform particularly well in material analysis, moisture detection, penetration through haze/smoke, and nighttime monitoring.

Common Specifications
Parameter	1.3M pixels CMOS industrial camera
Sensor Model	Sony IMX990-AABA-C
Sensor Type	InGaAs
Spectral Range	400nm-1700nm
Pixel Size	5.0 µm x 5.0 µm
Sensor Size	1/2”
ADC	12 Bit, 8 Bit
Image Buffer	512MByte
Conversion Gain	44.3e/ADU
Dynamic Range	58.7dB
Readout Noise	211e
Full Well Capacity	181.6ke
Maximum SNR	52.6dB
Sensitivity	121mV/(lx·s)
Dark current	383e/s(0°C), 510e/s(10°C), 638e/s(20°C)
Gain range	1x-15x
Exposure Time Range	15µs-60sec
Shutter Mode	Global Shutter
Digital I/O	1 channel of optically isolated input, 1 channel of optically isolated output, 2 channels of non-isolated input/output port
Data Format	8bit, 12bit
Cooling performance	25°C below ambient temperature
Optical Filter	400-1800nm (Standard); 1030-1800nm (Optional)
CRA	2.35°
Power consumption	<25W(Refrigeration)
Temperature	Working temperature: -20~60℃， Storage Temperature: -40~85℃
Humidity	20%-80%，no condensation
Weight	<390g
Lens mount	C-mount
Operating system	Win32/WinRT/Linux/macOS/Android
Certification	CE，FCC

Quantum Efficiency Curve

* Blue curve: 400-1800nm standard filter
*Red curve: 1030-1800nm optional filter

SWIR051 Series USB3.0 Interface Refrigerated Camera Dimensions & Port

Parameter	Specification
Size	808045.5mm
Mount	C mount

Item	Specification
1	USB3.0 port
2	DC 12V power
3	External IO connection port

SWIR051 Series GigE Interface Refrigerated Camera Dimensions & Port

Parameter	Specification
Size	808045.5mm
Mount	C mount

Item	Specification
1	GigE port
2	DC 12V power
3	External IO connection port

SWIR051 Series CL Interface Refrigerated Camera Dimensions & Port

Parameter	Specification
Size	757581.9mm
Mount	C mount

Item	Specification
1	External IO connection port
2	DC 12V power
3	CameraLink1

SWIR051 Series Camera Pin Signal

Table1: USB port, GigE port, CL port refrigerated camera pin signal definitions
	Color	Pin	Signal	Description of the signal
	White	1	GDN	Direct-coupled signal ground
	Red	2	12V	12VDC power input
	Blue	3	OPTO_GND	Opto-isolated signal ground
	Yellow	4	DIR_GPIO0	Direct-coupled General Purpose I/O (Software configurable input/output) (line2)
	Black	5	DIR_GPIO1	Direct-coupled General Purpose I/O (Software configurable input/output) (line3)
	Green	6	OPTO_IN	Opto-isolated input signal (line0)
	Pink	7	OPTO_OUT	Opto-isolated output signal (line1)

I/O electrical characteristics

Opto-isolated input circuit (line0)

Logic 0 input level: 0~2.2VDC (OPTO_IN pin)
Logic 1 input level: 3.3~24VDC (OPTO_IN pin)
Maximum input current:30mA

When the input level is between 2.2V and 3.2V, the circuit operation state is uncertain, please do not let SWIR camera work within this voltage range.

Input rise delay (TDR): 6us

Input fall delay (TDF): 6us

Figure 1：Input logic levels

Opto-isolated output circuit (line1)

The opto-isolated output maximum current is 30mA.

Figure 2: Output logic levels

The electrical characteristics of the opto-isolated output (external voltage 5V, external resistor 1K) are shown in Table 2.

Table 2： Opto-isolated output signal’s electrical characteristics
Parameter name	Parameter notation	Parameter value
Output logic low	VL	742mV
Output logic high	VH	4.134V
Output rise time	TR	4us
Output fall time	TF	1.8us
Output rise delay	TDR	12us
Output fall delay	TDF	2us

The output of the corresponding output current and VL when using different voltages and resistors in externalcircuit are shown in Table 3.

Table 3：Opto-isolated output logic’s low levels parameters
External voltage	External resistor	VL	Output current
3.3V	1KΩ	510mV	2.82mA
5V	1KΩ	742mV	4.31mA
12V	2.4KΩ	795mV	4.68mA
24V	4.7KΩ	850mV	4.97mA

Input and output I/O circuit (line2/line3)

1. Line2/line3 is set as input pin
Logic 0 input level: 0~0.6VDC (DIR_GPIO0/DIR_GPIO1 pins)
Logic 1 input level: 2.0~24VDC (DIR_GPIO0/DIR_GPIO1 pins)
Maximum input current: 25mA
When the input level is between 0.6V and 2.0V, the circuit action state is uncertain, please avoid the input voltage range working in this range.

To prevent damage to the GPIO pins, please connect the pin GND first, and then input voltage to the Line2 pin.
Input rise delay (TDR): 0.02us
Input fall delay (TDF): 0.02us

2. Line2/line3 are set as output pins
The maximum current allowed through this pin is 25mA.
The external pull-up voltage is 5V, the pull-up resistor is 1KΩ, and the GPIO is configured to output the logic level and electrical characteristics as shown in Figure 4.

Figure 3: Input logic levels

Figure 4: Output logic levels

When the ambient temperature is 25 degrees Celsius, the relationship between the external voltage, resistance and low-level voltage output is shown in Table 4.

Table 4：Non-isolated output Logic’s low level parameters
External voltage	External resistor	VL(GPIO)
3.3V	1KΩ	0.11V
5V	1KΩ	0.167V
12V	2.4KΩ	0.184V
24V	4.7KΩ	0.385V

Table 5: Non-isolated output electrical characteristics
Parameter name	Parameter notation	Parameter value
Output rise time	TR	0.08us
output fall time	TF	0.02us
Output rise delay	TDR	0.1us
Output fall delay	TDF	0.04u

The sensor imaging and the lenses are shown in Figure 1

Figure 1: Relationship Between Image Circle And Pixel Area

Figure 2 recommends the characteristics of CRA when the image height is from 0-100%.

Figure 2: IMX990 CRA Characteristics

SWIR051A CRA (Chief Ray Angle) Characteristics
Image height		CRA (deg)
(%)	(mm)	CRA (deg)
0	0	0
5	0.2	0.12
10	0.41	0.23
15	0.61	0.35
20	0.82	0.47
25	1.02	0.59
30	1.23	0.7
35	1.43	0.82
40	1.64	0.94
45	1.84	1.06
50	2.05	1.17
55	2.25	1.29
60	2.46	1.41
65	2.66	1.53
70	2.87	1.64
75	3.07	1.76
80	3.28	1.88
85	3.48	1.99
90	3.69	2.11
95	3.89	2.23
100	4.1	2.35

AttosView

AttosView support all Attostek UV-VIS and SWIR cameras, it is a professional software that integrates camera control, image acquisition and processing, image browsing and analysis functions.

AttosView has the following characteristics:

x86: XP SP3 and above; CPU support SSE2 and above
x64: Win7 and above

Introduction to SDK

ascamsdk support a variety of APIs, including: Native C/C++,.NET/C#/VB.NET, Python, Java, DirectShow, Twain, LabView, Matlab, etc. Compared with other APIs, Native C/C++ API as a low-level API is characterized by using pure C/C++ development without relying on other runtime libraries. The interface is simple and the control is flexible.

Supported SDK platforms include: Win32 and WinRT, macOS, Linux, Android.

The supported versions for Win32 are as follows:

x86: XP SP3 and above; the CPU needs to support at least the SSE2 instruction set.
x64: Win7 and above.
arm: Win10 and above.
arm64: Win10 and above.

Third-party interface software

AttosTek provides extensive third-party software support for its UV-Vis cameras and SWIR cameras, facilitating rapid integration and use in various development environments. This includes SDK and demo programs for LabVIEW and MATLAB, as well as DirectShow drivers, Micromanager, and TWAIN SDK drivers. These features enable seamless compatibility with mainstream development environments and third-party software, greatly simplifying the workflow for system integration and secondary development.

AttosView

Support all Attostek UV-VIS and SWIR cameras.

Click the button below to download the AttosView software.

Download

SDK

Support a variety of APIs.

Click the button below to download the SDK.

Download

Third-Party Software

DirectShow Driver:

Download

Micromanager Driver:

Download

TWAIN SDK Driver:

Download

Frame Grabber Driver

For the SWIR051ACL SWIR camera (CameraLink interface), the recommended frame grabber is:

Magewell：

Download

FIREBIRD：

Download

Hikvision：

Download

For the SWIR051ACXP SWIR camera (CoaxPress interface), the recommended frame grabber is:

Magewell：

Download

Recommended PC Configuration

AttosView Recommended System Requirements
Operating System	Microsoft® Windows® XP / Vista / 7 / 8 /10 /11(32 & 64 bit), Mac OSX, Linux
Processor (CPU)	≥3.0 GHz Intel Core i5 or Higher
Memory (RAM)	≥8 GB
Hard Drive	NVMe Solid State Drive (SSD)
Graphics Card	Dedicated Adapter with ≥256 MB RAM
Motherboard	USB 3.0 (-USB) Cameras: Integrated Intel USB 3.0 Controller or One Unused One Unused PCle3.0*16 Slot
Connectivity	Internet Connectivity for Driver Installation

User interface design

The image below shows the interface of the Attosview software. For more detailed information, please download the product manual.

Function	Function description
Operating mode	Operating mode: video mode or trigger mode Trigger mode: soft trigger mode or external trigger mode
Denoise	The camera hardware incorporates denoise
Automatic exposure	Automatic exposure or manual exposure function
Gain	HG, MG, LG 3 gain modes
Frame rate	Supports precise frame rate control
ROI	Supports single-zone ROI with a maximum frame rate of 8000fps after ROI
Flip	Supports Vertical/horizontal flip
Custom dark field correction	The hardware supports up to 12 groups of user-defined dark field correction image functions
Timestamp function	Timestamps can be turned on or off. After the timestamp function is enabled, the low 8bits of 1-8 pixels, 9-16 pixels, and 17-24 pixels will be modified to: 0-7: frame number; 8-15: Frame time; 16-23: trigger signal count
Firmware update	Supports firmware online update
Pipette function	Supports the display of the gray value of the mouse pixel position
Histogram display	Supports histogram display and statistics
Plane line function	Supports the function of viewing surface data
Regional gray statistics	Support the average gray statistics function of user-defined areas
Cooling system	1) The cooling system of the camera uses a built-in TEC cooling chip for the sensor, with external heat dissipation structure and fan auxiliary heat dissipation, the working temperature can be adjusted to a specific value, the effective cooling temperature can be lower than the ambient temperature of 40℃, and the high-efficiency cooling system ensures extremely low dark current level; 2) The TEC system adopts PID algorithm control, so that TEC can accurately adjust the sensor to the target temperature, and the temperature deviation is 0.3℃;

Q1 : How does fruit and vegetable moisture detection work, and what hardware in the SWIR051A series cameras supports this application?
What hardware in the SWIR051A series cameras supports this scenario?
Water molecules have a characteristic absorption dip at 1450nm in the short-wave infrared range. The difference in grayscale between intact fruit flesh and moldy or water-rich areas is obvious, so you can screen internally without cutting the sample.

Hardware support: 5μm large pixels, 58.7dB high dynamic range, -10°C deep TEC cooling, up to 60s long exposure with no dark noise, global shutter to eliminate motion blur on the production line, and standard 400-1800nm filters that let you compare visible and infrared images at the same time.
Q2 :How to choose among the four SWIR051A interface models
All four cameras are equipped with the Sony IMX990 sensor, featuring the same 1280×1024 resolution and -10℃ deep TEC cooling, so their imaging quality is exactly the same. The only differences are in things like transmission interfaces and frame rates.

The SWIR051AU camera supports USB power or 12V 3A power supply, plug-and-play style. It’s small, making it ideal for lab desktop setups, short-distance offline inspection, and laser spot observation.

The SWIR051AG camera transmits data via Ethernet, making it suitable for long-distance wiring scenarios like factory long production line material sorting and online fruit inspection.

The SWIR051ACXP camera offers high-bandwidth, stable output, perfect for high-speed semiconductor defect detection and high-precision dynamic imaging, and needs to be paired with a CXP capture card.

The SWIR051ACL camera is compatible with traditional vision acquisition systems, comes with CLView software, and is suitable for high-frame-rate research platforms.
Q3 : Which systems and development languages does the SDK support? Does it support MATLAB/LabVIEW
SDK Cross-Platform: Win32/WinRT/macOS/Linux/Android, supports ARM industrial control; C/C at the core, C#, VB.NET, Python, Java on top; official full demos adapted for LabVIEW and MATLAB, compatible with Micro-Manager, DirectShow, TWAIN, no need for low-level reconstruction

1.3 MP SWIR051 Series Short-Wave Infrared Camera with InGaAs Sensor

Model	SWIR051AU	SWIR051AG	SWIR051ACXP	SWIR051ACL
Sensor Type	InGaAs
Spectral Range	400nm-1700nm
Pixel Size	5.0 µm x 5.0 µm
Frame rate & Resolution	8 Bit：200fps@1280 x 1024、392fps@640 x 512 12 Bit：108fps@1280 x 1024、209fps@640 x 512	8 Bit：90fps@1280 x 1024、253fps@640 x 512 12 Bit：45fps@1280 x 1024、135fps@640 x 512	8 Bit：134fps@1280×1024、260fps@640×512 10 Bit：125fps@1280×1024、242fps@640×512 12 Bit：71fps@1280×1024、138fps@640×512	8 Bit：183fps@1280 x 1024、350fps@640 x 512 12 Bit：97fps@1280 x 1024、185fps@640 x 512
Data interface	USB3	GigE	CoaxPress	CameraLink
Binning Mode	Software2x2, 3×3, 4×4			Not supported
Size	80mm×80mm×45.5mm			75mm×75mm×81.9mm
Software	AttosView / SDK			SDK /CLView

Item

Docs

Available

Price

Qty

SWIR051AU

1.3 MP InGaAs SWIR Camera, 5 µm Pixels, USB 3.0 Interface

2 Weeks

$11,500.00

SWIR051AG

1.3 MP InGaAs SWIR Camera, 5 µm Pixels, GigE Interface

2 Weeks

$11,500.00

SWIR051ACL

1.3 MP InGaAs SWIR Camera, 5 µm Pixels, CameraLink Interface

2 Weeks

$12,000.00

SWIR051ACXP

1.3 MP InGaAs SWIR Camera, 5 µm Pixels, CoaxPress Interface

2 Weeks

$12,000.00

Optional accessories – lenses

To meet the diverse application demands of short-wave infrared (SWIR) imaging, Attostek offer a series of high-performance SWIR lenses. This lineup covers focal lengths from 6mm to 100mm and features a wide aperture range of F1.4 to F2.0 as standard, ensuring high signal-to-noise ratio and superior image quality even in low-light conditions. Users can flexibly select different models based on field of view, working distance, and resolution requirements, providing high sensitivity and versatile scene adaptability for SWIR cameras in applications such as security surveillance, industrial inspection, and scientific research.

Item

Docs

Available

Price

Qty