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When ordering
optical comparator charts please have the following information.
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Style of chart.
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Glass or Mylar.
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Comparator model & lens magnification.
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With or with out Screen protractor.
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Available in sizes
from 10" thru 50"
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Inches (2-way)
Style 30:
- 31.25x magnification / .002 increments
- 62.50x magnification / .001 increments
Style 31:
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31.25x magnification / .005 increments
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62.50x magnification / .0025 increments
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Inches (4-way)
Style 35:
- 10x magnification / .005 increments
- 20x magnification / .0025 increments
- 50x magnification / .001 increments
- 100x magnification / .0005 increments
Style 36:
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10x magnification / .010 increments
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20x magnification / .005 increments
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50x magnification / .002 increments
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100x magnification / .001 increments
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Millimeters (4-way)
Style M37
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10x magnification / 0.20 incr.
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20x magnification / 0.10 incr.
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50x magnification / 0.04 incr.
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100x magnification. / 0.02 incr.
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