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QSI 690ws8 monochrome camera with 8x31,8mm filter wheel


QSI 690ws8 monochrome camera adds, in respect to the 690i, mechanical shutter and integrated filter wheel for 8 31,8mm diameter filters. The QSI 690ws8 model camera employs a 9.1mp Sony CCD image sensor with peak QE of over 75%. The high sensitivity, wide dynamic range, dual read rates and low noise performance make the QSI 690ws8 ideally suited to a broad range of demanding scientific, medical, astronomical, and industrial imaging applications.

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The QSI 600 Series offers dual read rates of up to 8 MHz with high-speed USB 2.0 and full 16-bit output that allow 600 Series cameras to produce high quality images with high frame rates, extremely wide dynamic range, excellent linearity and exceptionally low noise. The QSI 600 Series has many different models and a variety of options and accessories are available to meet your specific medical, astronomical or industrial imaging objectives. The superb imaging performance of 600 Series cameras 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.



QSI 690ws8 monochrome camera with 5x31,8mm filter wheel: main specifications

9.1 megapixel Sony ICX814 sensor
Integrated filter wheel for 8x31,8mm filters

3.69µm pixel provides high resolution
High Speed USB 2.0 and read rates up to 8 MHz
2-Stage TEC w/ cooling to 40°C below ambient
Mechanical and electronic shutter w/ exposures to 100µsec
Broad Software support
ASCOM-compatible Windows COM API
Linux drivers and API



High Performance CCD Image Sensor

The 3388x2712 sensor in the QSI 690 provides extremely high resolution with its 3.69µm pixel. The QSI 690 camera employs a Sony ICX814 9.19 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 3.69µm pixel to increase optical response.


QSI 690ws8 monochrome camera with 8x31,8mm filter wheel


High Performance Design

Two separate analog processing chains, providing dual read rates, allow the QSI 600 Series to meet two seemingly incompatible imaging goals. The QSI 600 Series High Quality mode provides the highest possible Signal to Noise Ratio (SNR) for applications that require the lowest noise and widest possible dynamic range. High Speed mode has a read rate of 8MHz providing high speed reads at multiple frames per second. The read mode is easily changed under program control providing exceptional flexibility it tuning the camera's performance to the desired imaging goals.


Innovative, Aesthetic Body Design

Small enough to practically hide behind a CD-ROM, the medium format QSI 600 Series family sets new standards for full-featured, high performance scientific CCD cameras. The striking appearance, refined design and superior fit and finish only hint at the advanced technical performance lurking inside. Some have described it as a work of art.


QSI 690ws8 monochrome camera with 8x31,8mm filter wheel


Efficient, Low Power CCD Sensor Cooling

Key in the compact design of the 600 Series cameras is 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 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.

Power requirements
External 12V 2A
Porta autoguida ST4


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