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New Firewire 1394b CCD camera range offers excellent value

AVT Stingray series

AVT has released its new Stingray series of IEEE 1394b CCD cameras with excellent price-to-performance value and loads of functionality. AVT have modelled the new Stingray series on their very successful world popular Marlin series, used the same sensors, improved their performance while reducing their cost and released them with 1394b.

The Stingray CCD series has 12 compact models with resolutions ranging from VGA to 2MP and come in either colour or monochrome. Some of their advanced functions include sequence mode, secure image signature (SIS), 2x to 8x binning and multiple-camera operability through its daisy chain feature.

The AVT Stingray CCD camera series uses quality Sony CCD sensors ranging from 640x480 pixels up to 1600x1200 pixels in both colour and monochrome. They're designed in a compact body 73x44x29mm which weighs below 100g. They are also available with a 90 degree angled head and can be optioned with a Fiber-Optic output for very long cable distances.

The Stingray firewire 1394b CCD camera series sequence mode allows the cameras to store up to 30 different parameter sets within its 32MB onboard internal memory. It allows fast switching between parameter sets so images can be captured real time and sequentially using different parameters. The exposure, gain, white balance and any other controllable parameter can be different for each sequential image in a sequence. This is very useful when for example lighting conditions cannot be predicted at the time of capture and only one image frame is required. The best image can be selected out of the 30 images captured with different parameter sets. However there are also many applications in which the camera settings have to be adapted to situations intuitively - from image to image. For this kind of application AVT has added the "quick format change modes" in which the new values transferred to the camera can always be activated for the next image.

The Stingray firewire IEEE1394b camera range has two connectors where cameras can be connected to one another in a daisy-chain and so be hooked into the Firewire bus with no performance loss. In multiple-camera operations this arrangement enables total cable lengths to be reduced and costs to be lowered by eliminating accessories such as hubs or repeaters. Fewer components and shorter cables also increase the reliability of the whole image processing system.

The Fiber-Optic (GOF) option offers a number of useful advantages:

  • Cable lengths of up to 500 meters can be achieved. GOF easily bridges the distance between the camera and the PC.
  • GOF is not susceptible to electromagnetic noise. It does not emanate any electromagnetic interference and is not affected by it - resulting in perfectly secure data transmission
  • GOF has the same effect as perfect electrical insulation because it consists of glass fiber and does not conduct electricity. There is no need for any complicated potential reconciliation.

Secure Image Signature (SIS) function stamps the transferred image with various important data and camera settings which were valid at the time of exposure in a machine-readable form. Answers to various questions are captured and engrained at the PC end onto the image allowing them to be always available: The SIS function simplifies the control and handling of large volumes of data monitoring the trigger modules of the vision system and opening up new possibilities in the development and debugging phase. SIS developers have the opportunity to get their system into an error-free mass production status faster and reduce complexity and costs at the same time.

The Stingray CCD cameras are equipped with a 2x to 8x binning function that combines pixels both vertically and horizontally. Binning reduces resolution by adding neighboring pixels but also increases sensitivity proportionally.

The Stingray firewire 1394b CCD camera is equipped with a large number of other intelligent features such as real time shading correction, LUT, white balance, color correction, auto features, hue and saturation that can enhance the image content and optimize it for later image processing without increasing PC workload

The Stingray Firewire IEEE 1394b CCD camera series uses the plug & play principle for its software and supports both still images (WIA/TWAIN) and video stream (video capture and preview) as well as the integration of the camera via its own API. AVT uses a software development kit (SDK) together with a "viewer" that gives users access to all the tools needed for customer-specific applications.

AVT's Stingray family of firewire IEEE 1394b CCD cameras presents a formidable option for cameras of their class with advanced functionality and price-to-performance value.

Adept Electronic Solutions are the machine vision and imaging specialist providing expert advice and timely support. To find out more about the AVT Stingray firewire IEEE 1394b CCD camera range or any model from AVT's range of cameras please contact us or call us at Tel Perth (08) 92425411 / Sydney (02) 99792599 / Melbourne (03) 95555621

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