QSI 683WSG Mono CCD Camera - Mechanical Shutter, 5-Position Filter Wheel & IGP with C-Thread

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QSI 683WSG Mono CCD Camera - Mechanical Shutter, 5-Position Filter Wheel & IGP with C-Thread
Item # QS-683WSG-C
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  • The QSI 683WSG Monochrome CCD Camera features an 8.3mp Kodak KAF-8300 sensor, mechanical shutter, and includes 5 position color filter wheel and integrated guider port (c-thread).
  • Guide with light from in front of the filter wheel! Integrated guide port (IGP) allows you to guide with a wide variety of guide cameras using any bright star of your choosing without the need for a separate guide scope! Guide camera (such as the Lodestar or STi, etc.) is sold separately).
  • USB 2.0 High-Speed, 16-bit output and dual read rates of 800kHz and 8MHz.
  • The 683WSG-C Monochrome CCD Camera provides air cooling to 45C below ambient.
  • Full-frame 8.3 megapixel CCD provides the largest sensor available in a scientific camera utilizing 1.25" color filters.
  • Note:If you will be using 31mm unmounted filters with this camera, you will require part number QS-AC5-CFW31-S3 which is specialized mounting hardware to ensure that your filters are secure. This can be found in the Recommended Accessories to your right.


About the QSI 683 WSG CCD Camera

The QSI 683wsg CCD camera employs the popular 8.3 megapixel Kodak (now TrueSense) full frame CCD imaging sensor. The KAF-8300 offers a large field of view in cameras using standard 1.25” filters. The 5.4um pixel size provides extremely high resolution. The sensor uses true two-phase charge transfer technology with a transparent gate that significantly increases optical response compared to traditional front illuminated full frame sensors. The superb imaging performance of 683 WSG camera is wrapped in an attractive, compact design with outstanding power efficiency and investment protecting upgradeability. The refined engineering and impressive fit, finish and attention to detail will surpass your highest expectations.The QSI 683wsg camera system is supported by industry-leading astronomy and microscopy image acquisition software, and a full camera control API is available for creating custom Windows or Linux applications.

QSI 683WSG CCD Camera Highlights

  • The QSI 683 camera comes with a TrueSense KAF-8300 sensor, with 8.3MP and a peak QE of 60%
  • All “WSG” models include an Integrated Guider Port (IGP). This one comes with a C-Thread adapter.
  • An 5-Position Color Filter Wheel comes ready for your threaded 1.25” filters
  • High speed USB 2.0 with 16-bit output
  • Dual read rates of 800kHz and 8MHz with virtually undetectable read noise
  • Electronic shutter speeds to 100 microseconds
  • Internal, even-illumination mechanical shutter for dark & bias frames
  • Intelligent, programmable two stage TEC cooling to 45C below ambient
  • ASCOM-compatible Windows COM API
  • Linux drivers and API

About the KAF-8300 Imaging Sensor

The QSI 683wsg camera employs a Kodak KAF-8300 full frame CCD image sensor with micro-lensing technology. The KAF-8300 has excellent quantum efficiency between 350nm and 1000nm with peak QE of 57%. Low dark current and high pixel charge capacity results in a dynamic range exceeding 70db. The sensor has anti-blooming protection and a fast electronic shutter. Micro lenses cover the surface of the CCD to focus the light into each 5.4µm pixel, thereby increasing the optical response.

Kodak KAF-8300 Specifications

  • CCD Architecture: Full Frame
  • Micro-lensing: Yes
  • Anti-Blooming: Yes - 1000x suppression
  • Imager Size: 17.96 mm Wide x 13.52 mm High
  • Pixel Array: 3326 x 2507 active pixels
  • Total Number of Pixels: 8.3 megapixels
  • Pixel Size: 5.4µm x 5.4µm
  • Quantum Efficiency: Peak: 57%, 400nm 38%
  • Dark Current Doubling: 5.8º C
  • Intrinsic Read Noise: 8 electrons RMS
  • Dynamic Range: 70db

About QSI Two-Stage TEC Cooling

The QSI 683wsg has a very efficient custom 2-stage thermoelectric cooler (TEC) subsystem. Intelligent, programmable cooling fans are integrated into the rear of the camera body to remove the heat generated by the cooler. Typically, forced air cooling lowers the regulated CCD temperature by up to 45°C below ambient utilizing 85% power. Tight +/- 0.1°C temperature regulation is maintained at temperature settings of 10°C below ambient and lower. A slim liquid heat exchanger (sold separately) can be attached to the rear of the camera body to increase the cooling further, up to 55°C below the temperature of the circulating fluid.

The cooled CCD image sensor is positioned in a hermetically sealed environmental chamber and covered with an anti-reflection precision optical window. The sealed chamber is purged with an ultra dry noble gas to increase heat conduction and eliminate the possibility of frost forming inside the chamber. To extend the useful period before re-purging is required, a user-rechargeable micro-sieve desiccant is employed to scavenge water molecules that enter the chamber. It is located behind a sub-micron, gas-permeable membrane to prevent particulate contamination of the CCD chamber.

QSI Integrated Guide Port WSG Upgrade

The QSI 600 Series WSG cameras provides a solution to the problems normally associated with guiding by integrating a Guider Port directly into the camera body. The pick-off prism is designed to sit in front of the filters so that you will always have all the star's light available for guiding.

Additional Information

Additional Information

Manufacturer QSI
Color or B&W? Monochrome (B&W)
Sensor Type Full Frame
Series QSI 600
Pixel Size 5-7 Microns
Warranty 1 Year Warranty
Sensor Manufacturer Truesense, formerly Kodak
# of Sensors Single Sensor
Front or Back Illumination Front Illuminated
Sensor Model KAF-8300
CCD Class Standard
Anti-Blooming Sensor? yes
Micro-lensing Sensor? yes
Quantum Efficiency Peak 57%
Blue Enhanced Sensor? no
Pixel Size in Micrometers 5.4um x 5.4um
Pixel Array 3326 x 2507
Integrated Guider? No, but includes Integrated Guide Port
Binning Modes 1x1, 2x2, 3x3, 4x4, 5x5, 6x6, 7x7, 8x8, 9x9
Shutter Type Digital & Mechanical
Dark Current <0.02 electron per second at -10°C
Filter Wheel Yes
Interface USB 2.0
Operating System Compatibility Linux (3rd Party), Windows
Camera Cooling Type Thermo-electric Cooling (TEC)
Camera Body Dimensions W4.45” x H4.45” x D2.50”
Camera Weight 40 ounces
Included Items

Included Items

  • 683WSG-C Monochrome CCD Camera - Kodak KAF 8300
  • Mechanical Shutter
  • 5 Position Color Filter Wheel
  • Integrated Guider Port - C-Thread
  • C-Mount Camera Adapter
  • C-Mount Adapter Cover
  • C-Mount to 2" Nosepiece
  • 12VDC/90-240VAC Power Supply
  • 10' USB 2.0 Interface Cable
  • 10' Standard Guider Cable
  • QSI Standard Installation CD ROM
  • Active X Developer's Toolkit
  • Custom Fit Pelican Storage Case
Questions & Answers

Product Questions

I have an SBIG ST-I guider that needs the 1.25" guider interface. This camera seems to have the c-mount interface. Is there another camera with the interface that I want?

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