QSI 660 6.1mp Cooled Mono CCD Astronomy Camera
QSI 660 6.1mp Cooled Mono CCD Astronomy CameraQSI 660 6.1mp Cooled Mono CCD Astronomy CameraQSI 660 6.1mp Cooled Mono CCD Astronomy Camera

QSI 660 6.1mp Cooled Mono CCD Astronomy Camera

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About this product

Model:  qsi_660i
Part Number:  QSI660I

The QSI 660 model camera employs a 6.1mp Sony CCD image sensor. This new generation of Sony sensor offers remarkable sensitivity with peak QE of over 75%. The high senstivity, wide dynamic range, dual read rates, low noise performance and internal 5 or 8-position colour filter wheels make the QSI 660 ideally suited to a broad range of demanding scientific, medical, astronomical, and industrial imaging applications.

The QSI 660wsg is available with an Integrated Guider Port (IGP) allowing astronomers to guide using the light from the main telescope while picking off the light from the guide star in front of the filters

The 660 camera system is supported by industry leading astronomy and microscopy image acquisition software plus a full camera control API is available for creating custom Windows or Linux applications.

  • High Performance CCD Image Sensor
  • Leading Edge Technical Performance
  • Refined Design
  • Efficient, Low Power CCD Sensor Cooling
  • Two Shutters and a Filter Wheel
  • Innovative Integrated Guider Port
  • Connectivity and Notification
  • Extensive Software Support
    Model 660 CCD Image Sensor Specifications   
    Feature Standard
    CCD Manufacturer & Model Sony ICX694
    CCD Architecture Interline Transfer
         Microlens Yes
         Anti-blooming Yes – 800x suppression
    Imager Size: (WxH) 12.48mm x 9.98mm
    Pixel Array (WxH): 2758 x 2208 active (6.1 megapixels)
    Pixel Size: 4.54µm x 4.54µm
      Typical Values
    Pixel Full Well Depth 19,000 e-
    Absolute Quantum Efficiency Peak: 77% at 560nm
    Pixel Dark Current <0.002 electrons per second at -10°C
    Intrinsic Read Noise 3.1 electrons RMS
    Dynamic Range 75db

    Model 660 Camera Specifications  (See additional 660wsg(-8) specifications below>>)

    Feature Model 660i Model 660s Model 660ws(-8)
    CCD Image Sensor Sony ICX694
    Electronic Shutter 100µsec to 240 minutes 100µsec to 240 minutes 100µsec to 240 minutes
    Mechanical Shutter No Yes Yes
    Internal Color Filter Wheel No No ws    – 5-Position CFW
    ws-8 – 8-position CFW
    Holds 1.25″ or opt. 31mm filters
    Camera Body Configuration Slim
    Dimensions W4.45” x H4.45” x D1.68”
    (add 0.225″ for T-Mount)
    W4.45” x H4.45” x D2.00”
    (add 0.225″ for T-Mount)
    5-pos, W4.45” x H4.45” x D2.50”
    8-pos, W5.86” x H5.56” x D2.50”
    (add 0.225″ for T-Mount)
    Weight, without Nosepiece 26 oz. /  740g 34 oz.  /  950g 5-pos, 40 oz.  /  1130g
    8-pos, 51 oz.  /  1450g
    Optical Back Focus
    (w/o Filters in path)
    0.58″ w/ T-mount adapter
    0.68″ w/ C-mount adapter
    0.35″ w/ no adapter
    0.90″ w/ T-mount adapter
    0.68″ w/ C-mount adapter
    0.68″ w/ no adapter
    1.40″ w/ T-mount adapter
    1.18″ w/ C-mount adapter
    1.18″ w/ no adapter
    Thermoelectric CCD Cooling Temperature regulation +/- 0.1°C, @ 0°C  to -40°C CCD temperature
    In free air,
    Fans @ Full Speed
    Typically 40°C below ambient air with 85% cooling power
    With Opt Liquid Cooling – Fans Off Typically 45°C below circulating liquid with 85% cooling power
    (adds 0.75″ to camera depth)
    Cooling Fan Control Intelligent, user configurable
    Read Rate User Selectable High Quality mode at 800KHz, High Speed mode at 8MHz
    Camera Gain User Selectable High Gain 0.17 e-/ADU (default), Low Gain 0.40 e-/ADU
    Digital Resolution 16 bits (both High Quality and High Speed mode)
    Total System Read Noise 3 electrons RMS typical in High Quality mode
    7 electrons RMS typical in High Speed mode
    Pixel Dark Current <0.002 electrons per second at -10°C
    Full Image Read and Download Time Typically <9 second (host computer dependent) in High Quality Mode (800KHz)
    Typically <1 second (host computer dependent) in High Speed Mode (8MHz)
    Image download times will be reduced with binning and/or subframe (ROI)
    Binning Modes Symmetrical and Asymmetrical binning up to 9 pixels horizonally or vertically
    Status and Notification User configurable multi-color LED status indicator and multifunction
    audible beeper. Over-temperature and high/low voltage alarms.
    Power Consumption 12v, 2A (24 watts) at max cooling, max fans and filter moving
    (25 AC watts max with included 90-240V AC power supply)
    Operating Environment Temperature: -20°C to 30°C, Humidity: 10% to 90% non-condensing
    Computer Connectivity USB 2.0 High Speed (USB 1.1 compatible)
    Other Ports Optically isolated 4 channel control port for telescope guiding
    or input/output shutter trigger (See API Reference Manual for details)
    T Mounting Adapter Standard – T-Thread, 42mm x .75mm pitch
    C Mounting Adapter
    (1″ x 32TPI)
    (Not recommeded for 540i)
    Optional, C-Mount (Type I) lens focus compatible
    (17.5mm backfocus)
    Optional, C-Mount (Type II) lens focus compatible
    (17.5mm backfocus)
    Optional, for non-lens adapters and accessories
    (standard C-Mount lens does not reach focus at infinity)
    Nosepiece Standard, T-Adapter to 2″ nosepiece
    Optional, T-Adapter  to 1.25″ nosepiece


    Additional Model 660wsg(-8) Camera Specifications 

    Feature QSI 600 Series wsg(-8)
    Camera Body Configuration Integrated Guider Port
    Dimensions 5-pos wsg,    W4.45” x H5.0” x D3.08”
    8-pos wsg-8, W5.86” x H6.1” x D3.08”
    (add 0.225″ for T-Mount, 0.35″ for 2.156″ thread mount)
    Weight, without Nosepiece 5-pos, 46 oz.  /  1300g
    8-pos, 56 oz.  /  1600g
    Optical Back Focus
    (without Filters in path)
    2.10″ (53.3mm) with 2.156″ thread adapter (optional)
    1.98″ (50.2mm) with T mounting adapter
    1.75″ (44.5mm) w/o mounting adapter
    Guide Camera Attachment T-mount (42mm x 0.75mm) w/built-in manual rotator
    C-mount (1″ x 32 tpi) w/built-in manual rotator
    Guide Camera Optical Focal Depth 12.5mm +/- 1.5mm (0.49″ +/- 0.06″)
    Face Plate Adapter Standard adapter – T-mount (2.156″ x 24tpi adapter available)
    Nosepiece Standard T-mount to 2″ nosepiece.
    Optional 2″ nosepiece for 2.156 adapter

6.1mp Image Sensor

The 2758×2208 sensor in the QSI 660,provides extremely high resolution with its 4.54µm pixel.

The compact design and internal colour filter wheel of the QSI 660ws allows unvignetted, filtered images even with very fast optical systems.

The QSI 660 camera employs a Sony ICX694 6.1 megapixel interline transfer CCD image sensor with microlens technology. The Sony ExView sensor has exceptional sensitivity across the visual band with peak quantum efficiency of 77% along with remarkably low dark current. The sensor has antiblooming protection and a fast electronic shutter. Micro lenses cover the surface of the CCD to focus the light into each 4.54µm pixel to increase optical response. See the Specifications tab below for additional details.


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