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Focal Length Tolerance
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±1%
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Surface Accuracy
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0.5 fringes per cm
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Length/Width Tolerance
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±0.1mm
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Center Thickness Tolerance
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±0.1mm
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Centration
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＜3 arc min
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Clear Aperture
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＞85%
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Surface Quality
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40-20 S-D
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Bevel
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Protective bevel
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Material
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BK7, Fused silica and other optical glass
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Coating
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AR coating
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We can be able to manufacture against requested specifications and drawings.
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