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  1. #1
    Captain of the Ship Photo-John's Avatar
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    Aug 2001
    Salt Lake City, Utah, United States

    Foveon F19 Sensor - Press Release


    4.5 Megapixel Direct Image Sensor Brings Revolutionary Patented Foveon X3 Full-Color Technology to Medical & Science Applications
    Captures Color Like Film in 3 Layers

    Santa Clara, CA, June 21, 2004 – Foveon Inc., a technology leader of award-winning high-quality digital camera image sensors, announced today the availability of the Foveon F19 sensor (FO18-50-F19), a 1/1.8-inch 4.5 Megapixel CMOS direct image sensor that incorporates Foveon’s breakthrough X3 technology to directly capture color in three layers, just like film. The company also announced that the F19 image sensor has been designed into the HanVision HVDUO-5M digital camera for industrial, scientific, medical, and communications applications.

    Advanced Design of Foveon X3 Direct Image Sensor

    The F19 direct image sensor employs Foveon’s unique X3 stacked-pixel design. Each stack of pixels contains a red, green, and blue pixel, eliminating the need for color interpolation and blur filters which are required for conventional CCD and CMOS image sensors. Color interpolation is used by CCD and CMOS image sensors to estimate the missing color information inherent in these image sensors, which only have a single layer of pixels. Blur filters are also used in CCD and CMOS image sensors to eliminate the color artifacts, which are introduced as part of the color interpolation. The Foveon X3 F19 direct image sensor avoids these image quality compromises by utilizing the X3 stacked pixel design. As a result, the Foveon X3 F19 sensor delivers the highest degree of full color, image sharpness, and artifact-free color detail possible with a 1/1.8-inch image sensor.

    Variable Pixel Size Technology

    The new Foveon F19 sensor also features Foveon’s powerful VPS (Variable Pixel Size) technology. VPS groups neighboring pixels together to form larger pixels that are optimal for high frame rate, reduced noise, and dual mode still/video applications. Other advanced Foveon F19 features include low fixed-pattern noise, ultra low power consumption, and integrated digital control.

    New Camera for Scientific and Industrial Markets

    Foveon also announced today that the F19 direct image sensor has been designed into the HanVision HVDUO-5M, a digital camera designed for industrial, scientific, medical and communications applications. Boasting 30-bit digital color output, real-time color processing, support for still and video sensor scan modes, and a CameraLink interface, the HanVision HVDUO-5M was made for applications needing exact color detail and flexible readout options. The camera is compatible with a wide range of C-mount optics and frame grabbers. It includes an automatic internal dark-frame shutter mechanism and controls for synchronized illuminators for flexibility in exposure control.

    Current Line of Digital Cameras Using the Foveon X3 Direct Image Sensor

    • Sigma SD9 – The first digital camera to use the Foveon X3 F7 direct image sensor. The 10.2 megapixel image sensor won awards and accolades in the photography community.
    • Sigma SD10 – The first camera to incorporate the Foveon X3 F7N. The 10.2 Megapixel F7N direct image sensor is the second generation X3 image sensor, which increased the ISO range from 100 to 800, and added an extended mode option to ISO 1600. In addition, exposure durations were increased to 30 seconds for better low-light photography – important for the pro market.
    • The Polaroid x530 (available in September 2004) - will be the first point & shoot consumer digital camera to showcase the new F19 chip with Foveon X3 technology. Affordably priced at only $399, the Polaroid x530 has a modern retro look with the advanced Foveon sensor inside.

    About Foveon X3 Direct Image Sensors

    Foveon X3 image sensors are the world’s only direct image sensors, which capture red, green, and blue light at every pixel location, and are the first image sensors that leverage silicon’s inherent color separation property. When silicon is exposed to light, blue light is absorbed near the surface, green light is absorbed in the middle, and red light is absorbed deep within the silicon. Pixel sensors are stacked at the corresponding depths within the silicon so that red, green, and blue light is captured for each pixel location.

    Other image sensors on the market such as CCD and CMOS image sensors have only one layer of pixels and use colored filters to capture a single color per location, resulting in color artifacts and image blurring. Foveon X3 technology is highly scalable for a wide range of cameras including digital still/video cameras, PDAs, cell phones, security cameras, and scientific cameras.
    Attached Thumbnails Attached Thumbnails Foveon F19 Sensor - Press Release-f19%2520sensor%5B1%5D.jpg  

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  2. #2
    Junior Member
    Join Date
    Aug 2004
    Houston, Texas USA

    Atlas Shrugged...Redux

    It is truly a shame, that like the hero in an Ayn Rand novel, the Foveon chip suffers from lack of Establishment support. Maybe the initial exclusive contract with Sigma, instead of a more mainstream camera maker like Canon or Nikon, was the mistake. Or maybe only Sigma would listen? Or if Sigma had used a Canon or Nikon mount, more photographers would take a chance on an SD10.

    Nonetheless, it is uphill all the way for this potentially superior imaging sensor, with Canon, Kodak, and Nikon firmly committed to CMOS and CCD. If Foveon had had the development money behind it that the other sensors did, we might be on the way to the full-size 24x36mm Foveon with 22MP equivalent images. Like Rearden Metal or Presidental runoff elections, though, if it doesn't benefit the people in power, it won't happen.

  3. #3
    Captain of the Ship Photo-John's Avatar
    Join Date
    Aug 2001
    Salt Lake City, Utah, United States


    I wondered about thse same issues when the first Sigma camera with Foveon sensor was announced. The sensor does appear to have superior capabilities, but that's not always what wins in the marketplace. I'm curious to see what happens when the Polaroid compact digital with the Foveon sensor becomes available. And I'm very interested to see wat Foveon comes up with next. The technology is excellent. But they definitely have an uphill battle when it comes to competition with Nikon, Canon, Kodak, Sony, etc.

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