Advanced Imaging


Advanced Imaging Magazine

Updated: January 12th, 2011 09:49 AM CDT

JAI: 5 Megapixel Cameras Offer More Than Just Pixels

JAI 5 megapixel camera
JAI, Inc.
625 River Oaks Parkway
San Jose, CA 95134

JAI recently introduced a new set of 5 megapixel cameras for customers needing high resolution at a moderate cost. Four models are available: BM-500GE (monochrome with GigE Vision interface), BM-500CL (monochrome with Camera Link), BB-500GE (raw Bayer color with GigE Vision), and BB-500CL (raw Bayer color with Camera Link).

All four models are 55 x 55 x 55 mm in size, and are built around the Sony ICX625 2/3-inch CCD sensor (2448 x 2050 pixels) with selectable 8, 10, or 12-bit output. Their well-crafted analog front-end designs enable them to operate at 15 fps, an improvement over the 12 fps rate found in some 5 megapixel cameras. Partial scan and binning modes offer additional flexibility and performance.

But these cameras provide features that go beyond high pixel resolution. For example, the GigE models feature a unique Sequence Trigger Mode, which allows the user to pre-define on-the-fly changes to gain, shutter, and/or region of interest (ROI) settings for a repeating sequence of up to 10 consecutive triggers. This capability is particularly useful in automated production line environments where items being inspected might require different settings for different regions of the object, or where different settings are needed to properly inspect for different types of defects within the same region of interest.

All four models include programmable general purpose input/output ports (GPIO) with opto-isolated interfaces for flexible connection to external factory automation equipment such as PLCs. They provide automatic white balance, a look-up table (LUT) for dealing with difficult lighting conditions, and automatic blemish compensation. They also feature auto-iris lens control, making the cameras ideal for outdoor applications with wide ranging lighting conditions.

With their high image quality and their rich feature sets, these new cameras have definitely raised the expectations for 5 megapixel camera customers.

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