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Home » Neutral Density Filter (ND Filter) » Linear Variable Neutral Transmission Filters: BK-7
 
Linear Variable Neutral Transmission Filters: BK-7

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Linear Variable Neutral Transmission Filters: BK-7

The linear variable neutral transmission filters are designed to attenuate light as a function of transmission instead of density. These filters are much more sensitive to position at the lower transmission values than are linear density filters.
  Product Number    Product Name  ThicknessSubstrate MaterialSurface QualityFlatnessParallelismLengthWidth
R05700-00 LVNT FILTER: BK-7, 50mm x 25mm, 100%to10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
50mm
25mm
R05701-00 LVNT FILTER: BK-7, 50mm x 25mm, 100%to1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
50mm
25mm
R05702-00 LVNT FILTER: BK-7, 75mm x 25mm, 100%to10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
75mm
25mm
R05703-00 LVNT FILTER: BK-7, 75mm x 25mm, 100%to1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
75mm
25mm
R05704-00 LVNT FILTER: BK-7, 100mm x 25mm, 100%to10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
100mm
25mm
R05705-00 LVNT FILTER: BK-7, 100mm x 25mm, 100%to1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
100mm
25mm
R05706-00 LVNT FILTER: BK-7, 125mm x 25mm, 100%to10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
125mm
25mm
R05707-00 LVNT FILTER: BK-7, 125mm x 25mm, 100%to1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
125mm
25mm
R05708-00 LVNT FILTER: BK-7, 150mm x 25mm, 100%to10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
150mm
25mm
R05709-00 LVNT FILTER: BK-7, 150mm x 25mm, 100%to1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
150mm
25mm

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