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HP ScanJet 4890 Photo Scanner

HP ScanJet 4890 Photo Scanner
Technical Information Image Sensor CCD (Charge Coupled Device) Scan Resolution 4800 dpi Optical 4800 x 9600 dpi Hardware 999999 dpi Enhanced Bit Depth 48-bit Color 8-bit Grayscale Scan Speed 6 Second(s) Preview 7 Second(s) Color Bitmap to MS Word 4" x 6" - Multiple image scan 26 Second(s) Bitmap to MS Word - Single image scan 10 Second(s) 35-mm Slides to File - Multiple image scan 36 Second(s) 35-mm Slides to File - Single image scan 12 Second(s) 35-mm Negatives to File - Multiple image scan 39 Second(s) 35-mm Negatives to File - Single image scan Scan Scaling 10 to 2000% Media Types Plain Paper(s) Photo(s) 35mm Slide Negatives Medium Format Film 3-D objects Envelope(s) Card(s) Iron-on Transfers Media Sizes 4" x 5" - Film frame 8.5" x 12.2" Maximum Transparency Adapter Yes Integrated Platform Support PC Mac Interfaces/Ports Interfaces/Ports 1 x USB 2. Electronics Accessories Computer Accessories Walmart http://www.tonsofspecials.com/cgi-bin/getImage.cgi?103367 199.92 http://www.tonsofspecials.com/sales.php?103367



Forensic Digital Imaging and Photography with CDROM by Herbert L. Blitzer,
Forensic Digital Imaging and Photography with CDROM by Herbert L. Blitzer,
Forensic Digital Imaging and Photography covers each facet of digital imaging-how to select equipment, when to use it, how to produce a good image, and how to present that image in court. It clarifies the difference between what can be done digitally and what should be done in a forensic setting, and helps the reader "learn by doing" with exercises and step-by-step instructions. The images and exercises in the accompanying CD-ROM provide practical examples of the techniques described in the book. Key Features: * Teaches the basics of digital imaging and how to choose the right tool for each job * Describes how to master specific tasks such as scanning, selecting media for archiving, configuring a digital imaging system, setting the proper resolution, adjusting the image, comparing images with known samples, and much more * Includes detailed graphics of the photography and imaging tools, and dialog boxes to describe each function * Provides easy-to-follow instructions for each exercise in the book and on the CD ROM, including required images * Describes potential pitfalls of using digital technology Law enforcement officials who follow the recommendations in this text can feel confident that their handling of imaging evidence will stand up to the high standards necessary for presentation in criminal cases. Topics covered in the book: The opening chapters teach the basics of digital imaging and how to choose the right tool for each job. The remaining chapters show how to: * Scan original negatives and slides with a film scanner * Scan photographs, line drawings, and documents with a flatbed scanner * Select the best equipment for the job *Select the best media for archiving * Configure and use a digital imaging system * And more Exercises provide step-by-step instructions on how to: * Size and set the resolution of an image * Adjust highlights, shadows, contrast, color, density, etc.



DPX - DPX, the short form of Digital Picture Exchange, is a common file format for digital film work and is an ANSI/SMPTE standard (268M-2003). The file format primarily represents the density of each colour channel of a scanned negative in a 10-bit log format where the gamma of the original camera negative is preserved as taken by a film scanner.

Digital minilab - A digital minilab is a computer printer that uses traditional chemical photographic processes to make prints of digital images. Photographs are input to the digital minilab using a built-in film scanner that captures images from negative and positive photographic films (including mounted slides), flatbed scanners image scanner, a kiosk that accepts CD-ROMs or memory cards from a digital camera, or a website that accepts uploads.

Negative and non-negative numbers - A negative number is a number that is less than zero, such as −3. A positive number is a number that is greater than zero, such as 3.

Film scanning - Film scanning is the process by which a negative or positive slide is directly scanned into a computer without the use of any intermediate printmaking. This has several benefits over using a flatbed scanner to scan in a print of any size - the photographer has direct control over cropping and aspect ratio from the original unmolested image on film, and many film scanners come with specialized software or hardware designed to remove scratches, film grain, and improve color reproduction from old ...



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