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Fixed ND Filters: Infrared (2.0 to 14 microns)
Linear Variable ND Filters: BK-7 (375nm to 2000nm)
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Linear Variable Neutral Transmission Filters: ZnSe
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Windows
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Thickness
1mm
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0.9mm
1.7mm
2.9mm
0.8mm
1.1mm
1.4mm
1.6mm
1.63mm
1.82mm
0.058mm
0.072mm
3.6mm
Blocking Range
± 0.25mm
Substrate Material
BK-7
KG-1
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KG-5
UG-1
UG-11
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BG-39
OG-515
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RG-630
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Surface Quality
80-50 Scratch & Dig
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< 2 Fringes / Inch @ 632.8nm
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2 Arc Minutes
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25mm
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100mm
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7.5mm
25.4mm
Length
100mm
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60mm
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25mm
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