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Prisms
Right angle prism, dove prism, roof prism, penta prism, beam splitter, wedge prism
Manufacturing Tolerances
Dimensions from 1 to 100 mm. The manufacturing limits are not absolute; tighter tolerances may be possible. The specific tolerances of the parts may vary depending on component size, shape, and/or material.
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Tolerances
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Commercial quality
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Precision quality
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Manufacturing limits
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GlassQuality
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Nd
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+/-0.001
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+/-0.0005
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Melt controlled
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Vd
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+/-0.8%
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+/-0.3%
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Melt controlled
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Dimensions(mm)
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+/-0.10
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+/-0.05
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+/-0.01
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Scratch-Dig
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80-50
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40-20
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10-5
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Irregularity (fringe)
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2
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0.5
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0.1
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Beam Deviation
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3 arc minutes
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30 arc seconds
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Facility controlled
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Pyramid Error
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3 arc minutes
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1 arc minute
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Facility controlled
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Bevels
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Upon requirement
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No bevel
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Coatings
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Upon requirement
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