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Optical Imager

Our versatile IM200 Smart Optical Imager comes with 4 Mpixel resolution, a high-speed data interface and various lens options.

The IM200 adaptable imager, is based on the ST200 Star Tracker platform. With a dedicated high-speed USB2.0 interface, the IM200 can capture 5 frames per second at full resolution.

The IM200 Series smart optical imager is a low mass, low power, general purpose imager aimed at providing medium resolution imaging capability to small satellites and CubeSats.

The large internal buffer allows for storing up to 25 full-frame images, which can be compressed into JPEG’s for fast previewing. The default version uses USB2.0 for image transfers, which presents itself to the host system as a mass storage device.

The CPU power allows for real-time processing of the images, allowing use of the IM200 as a target-tracking imager, a docking camera or an inspection camera.

With its small form factor and low mass, it allows for enormous flexibility and a wide range of applications.

The IM200 is also suitable for applications on larger satellite platforms. For these applications, additional interfaces, power supply ranges and optics are available.

Performance

The IM200 comes with a USB2.0 480 Mbps high speed image transfer interface. The medium speed RS422/ RS485 interface is optional.

Flexibility

The IM200 has a large internal buffer which allows for storing up to 25 full-frame images, which can be compressed into JPEG’s for fast previewing. The CPU power allows for real-time processing of the images, allowing use of the IM200 as a target-tracking imager, a docking camera or an inspection camera.

Heritage

The IM200 has spaceflight heritage in LEO since 2019. Since the IM200 is a modified version of the AAC Clyde Space ST200 Star Tracker, which has flown on multiple missions since 2015, the IM200’s flight heritage can be considered somewhat higher.

Why the IM200?

  • 4 Megapixel imager
  • > 30 MPixel/s scan rate
  • 16 mm F1.2 or 25, 35, 50 mm F2.0 lens
  • TTL UART command interface
  • USB, RS422, RS485, I²C are optional
  • Monochrome and RGB versions available
  • Radiation tolerance qualified up to 9 krad (Si)
  • Low mass: 59 g
  • Low power: (nominal) < 700 mW

Technical Specifications

Performance
Full frame size (pixels) 2048x1944
Pixel scan rate (MPixel/s) > 30
Standard lens focal length (mm) 16 / 25 / 35 / 50
Standard lens F-number 1.2 / 2.0
Dimensions
Outer Dimensions (mm) 29 x 29 x 70.7
Mass (using 50mm F2.0 lens) (g) 59
Environmental
Operating temperature (°C) -20 - +40
Radiation tolerance (krad (Si) > 9
Electrical
Min. Typ. Max.
Supply voltage (V) 3.6 3.65 5.0
Bus logic level voltage (V)Referenced to VREF Referenced to VREF Referenced to VREF
Power and current consumption
Min. Typ. Max.
Current consumption (mA) 110 190 200
Power consumption (mW) 400 700 1000

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