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

Scanner test patterns
Scanner test photos
     

 

 

T

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
     

T

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
     

C

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
     

F

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: Wednesday, Januari 29, 2020

 
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