imaging and machine vision europe october/november 2010
www.imveurope.com
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product focus: CMOS cameras A sense of CMOS
Stephen Mounsey rounds up the latest CMOS camera releases
Among the latest CMOS camera releases is the VDS Vosskuhler
CMC-4000, available from Alrad Imaging. The model is a four- megapixel, monochrome high-speed camera. The CMOS sensor comprises 2,320 x 1,726 pixels and the camera achieves a speed of 200fps. By reading out a smaller region of interest, the output frame rate can be increased considerably. As the camera is fitted with a CMOS sensor with a global shutter all pixels are exposed simultaneously. Thus fast moving objects can be recorded distortion-free. Also available from Alrad is
the ARTCAM-130MI-HDMI, a 1.3-megapixel colour CMOS camera with a 1,280 x 1,024 pixel sensor and a rolling shutter from Artray. The camera offers dual HDMI and USB2.0 outputs, so the camera can display the image on a high-resolution monitor or on a PC computer. The camera uses a progressive scan sensor and has a standard C-mount lens fitting.
www.alrad.co.uk
Hamamatsu Photonics has introduced its Orca-Flash2.8
camera, the first high-sensitivity digital camera based on the company’s next-generation scientific CMOS image sensor. The camera combines high resolution and high sensitivity at a competitive price. The cameras incorporate a 2.8-megapixel scientific CMOS sensor.
The combination of high speed, low noise, and ease of interface with external peripheral equipment makes
the device suitable for a wide variety of applications, such as life-science microscopy, industrial imaging and sensitive analytical measurement. Some 45 frames per second are output in full resolution, making it ideal for fast, low-intensity imaging. The camera can achieve a maximum speed of 1,273 frames per second in sub-array mode. The cooled FL-280 sensor’s design keeps readout noise minimal at three electrons, even with fast readout speeds. The camera’s 12-bit output interfaces with a PC via a standard Camera Link Base frame grabber.
www.hamamatsu.com
To coincide with Vision 2010, IDS will present an updated driver
version for its new cameras with global shutter CMOS sensors by e2v. The driver will enable a fast line mode for the USB and GigE models UI-1240/UI-5240. In this operating mode the sensor records a line 12,000 times per second, making these affordable CMOS cameras suitable for inspection tasks involving high frequencies and fast-moving objects, for example in bottling or printing.
The driver update will also
provide an additional readout mode that allows up to four areas of interest (AOIs) per frame to be set and simultaneously transmitted. Moreover, it adds a digital scaler to the cameras, which generates reduced images almost steplessly while maintaining a full field of view and enables a frame rate of 100fps. Thanks to the overlap trigger mode, the same frame rates are achieved for externally triggered images as in
live mode. The cameras are based on a 1.3-megapixel sensor with global shutter from e2v, which combines the advantages of CCD technology, such as light sensitivity and colour fidelity, with a high frame rate of up to 60fps.
www.ids-imaging.de
LT-400CL is a new JAI 3CMOS colour line scan camera delivering 3 x 4,096 pixels at a 16kHz line rate. The sensors are mounted on a prism block to provide separate channels for red, green and blue light spectrum giving high-quality colour registration.
compact housing while offering a full range of functionality. The camera provides high image quality with a high frame rate of 90Hz. It supports all sensor features and offers high dynamic range. With a size of 35 x 33mm, the camera contains an image memory of 8 megabytes and a micro-PLC sequencer for time-critical I/O and acquisition control. Various interfaces and lens mounts are available. The board can be equipped with a Mini USB connector or a USB header. There is also an industrial flexibility with the choice of digital inputs and outputs: either 1/1 opto-isolated or 2/2 TTL compliant digital I/Os are possible. Currently, the Aptina WVGA
Using a low-noise CMOS sensor, it is possible to get high-resolution images and at the same time maintain a high inspection speed. The LT-400CL provides a range of built-in pre-processing, such as flat-field correction, gamma/gain correction and manual/automatic white balance.
The camera also features knee and binning functions for extended dynamic range and sensitivity, and a sub-sampling function making it possible to increase the frequency to 32,360 lines per second. Hard dichroic filters on the prism block and a single optical plane produce precise 24-bit or 30-bit colour values for every pixel without colour degradation, crosstalk and halo effects.
www.jai.com
Matrix Vision’s mvBlueFOX-MLC USB single-board camera is engineered in a
CMOS sensor is available in greyscale and colour versions. Drivers for Linux and Windows are available.
www.matrix-vision.de
Point Grey has introduced its Gazelle series of Camera Link
cameras, which the company says delivers an unsurpassed combination of size, speed and price. The high-resolution, high frame rate CMOS image sensors by Cmosis include a 2.2-megapixel 2/3-inch image sensor running at 280fps, and a 4.1-megapixel 1-inch sensor running at 150fps, featuring low-noise global shutter and 5.5 micron square pixels. The Gazelle is based on the same compact form factor as the Grasshopper camera, measuring 44 x 29 x 58mm, and includes a C-mount lens holder. Featuring a Camera Link 680MByte/s digital interface, video output from the Gazelle is configurable in Full 8-tap or Base 2-tap modes. Other camera features include ROI and binning modes.
www.ptgrey.com
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