This page
Pangolin's TrueK 50
Cambridge 6210 scanners and related amps
GSI/Lumonics VM2000 scanners

Scanner test patterns
Scanner test photos




he following pages cover topics related to faster scanning. This is defined as correctly displaying the ILDA Test Pattern at an angle of 8 degrees or less, at a speed of 50K (50,000 points per second) or more.
        The pages listed below provide additional details, and support for these points.

Pangolin's TrueK 50


he TrueK 50 modification to Cambridge model 6800 and 6210 scanners allows them to run at ILDA 50K. It provides the same or better performance than the Cambridge-tuned 6210 scanners. (Note: The TrueK 50 modification is no longer being offered by Pangolin.)

Cambridge 6210 scanners and related amps


ambridge Technology Inc. introduced faster scanning in spring 1999, with the model 6210 scanner and faster-tuned scanner amps.

GSI/Lumonics VM2000 scanners

A  brief report on GSI's VM2000 scanners, which are designed for large-beam applications.

Scanner test patterns

T hese two pages discuss the ILDA Test Pattern, the only industry-wide standard of comparison, and how to determine scan angles.

Scanner tests


ive different scanning systems compared in over 50 photographs. The photos are in two general categories: test patterns and sample frames from Lightspeed's "Creation" show.

  • Test pattern photos. Comparing the ILDA Test Pattern at its largest compliant size, at about 30 degrees, and a square wave test pattern.

  • Creation photos. Comparing rounding of square corners, an abstract frame, and a raster frame.

  • Scanner-by-scanner photos. A listing of all photos available for each of the five tested scanning systems:
         -- Catweazle LC II tuned to ILDA 30K
         -- GSI/Lumonics G-120 tuned to ILDA 30K
         -- Cambridge 6800 tuned to ILDA 30K
         -- Pangolin TrueK 50 modification of 6800s, tuned to ILDA 50K
         -- Cambridge 6210 tuned by Cambridge to "around ILDA 60K"

  • About the tests. Background on how the tests and photos were done.

This page last updated: Thursday, December 20, 2007 09:09:57 AM

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