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Advanced Imaging Magazine

Updated: July 8th, 2008 05:26 PM CDT

High-End INdustrial & Scientific Cameras

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Product Update

High-End Industrial & Scientific Cameras

By Mike Obstgarten

January 2001

Diagnostic Instruments Camera

Diagnostic instruments SPOT RT.
     Not every new year starts out with a festival of product introduction in the demanding industrial/scientific marketplace, but it is clear that camera manufacturers have been super-productive of late, releasing all sorts of new models for imaging pros in various disciplines, even within the last month since we printed our annual Buyers' Guide issue. Maybe it has something to do with the real start of the millennium! (Maybe not.) But the benefits will be real for imaging system implementers and designers. Nearly all of these new cams have decreased in size and/or increased in resolution capability over the predecessors in their respective lines.
     The Cohu (San Diego, CA) 7500 series monochrome progressive-scan 1300 x 1030 camera measures just 52.3 x 52.3 x 73.5 mm, enabling it to achieve optimum use in tight-fit medical, inspection, gauging, and test/measurement apps. Its microlens technology gives high dynamic range and high sensitivity at its normal speed of 12 fps; double-speed (24 fps) at half-res is also available, and changing between modes can be accomplished on the fly. Its 44-pin D connector puts all camera functions on one cable, and an additional serial control connector adds flexibility, so control signals can be configured for either LVDS (RS-644) or TTL (single-ended) levels. Indicate 214.
Cohu 7500 Series camera
Cohu 7500 Series
     The PixelFly digital CCD camera system from Cooke Corp. (Auburn Hills, MI) is available in VGA, SVGA and high-res (1360 x 1024) models for apps ranging from ballistics and particle imaging to machine vision. The system features an ultra-compact camera head (1.5" x 1.5" x 2.5") that connects to an included standard or compact PCI board via high-speed LVDS. Frame rates range from 9.5 fps (high-res, full-frame) to 140 fps (VGA, 4 vertical binning), and exposure time is configurable from 1/100,000 to 10 seconds. Color and black-and-white versions are both available. (In the UK, the PixelFly is handled by Pulse Photonics Ltd.) Indicate 215.
     Designed specifically for microscopy, the Spot RT Monochrome from Diagnostic Instruments (Sterling Heights, MI) is built around the Kodak KAI-2000 research-grade CCD sensor, which produces 12-bit, 1600 x 1200 images. Its 19 fps live image window enables easier focusing and scanning, and cooling to -37íC ensures low noise for fluorescence and darkfield work. Spot-dedicated software is user-friendly-ROIs just have to be isolated in the live window before hitting the Snap button. The Mac- and PC-compatible software also provides sequential imaging, advanced editing, calibration, measurement, databasing, and report generation. Indicate 216.
     JAI (Copenhagen, Denmark) recently intro'd the CV-M4 megapixel (1300 x 1030) camera, featuring 24 progressive-scan fps readout and the same digital LVDS EIA-644 output that's widely used by digital image-acquisition boards. Proprietary sample-and-hold technology and correlated double-sampling (CDS) techniques allow for both high speed and high image fidelity. Industrial users will also like its asynchronous trigger, partial-scan (1/2, 1/4, or 1/8), and vertical binning features, as well as its full RS-232C control of gain, shutter speed, trigger mode, and more. Camera Link output is an option with this unit, or users could stick with its parallel output. Indicate 217.
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