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Circular Variable Neutral Transmission Filters: BK-7


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Circular Variable Neutral Transmission Filters: BK-7

The circular 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 QualityFlatnessParallelismOutside DiameterInside Diameter
R06700-00 CVNT FILTER: BK-7, OD=25mm, ID=7.5mm, 100% to 10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
25mm
7.5mm
R06701-00 CVNT FILTER: BK-7, OD=25mm, ID=7.5mm, 100% to 1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
25mm
7.5mm
R06702-00 CVNT FILTER: BK-7, OD=50mm, ID=7.5mm, 100% to 10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
50mm
7.5mm
R06703-00 CVNT FILTER: BK-7, OD=50mm, ID=7.5mm, 100% to 1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
50mm
7.5mm
R06704-00 CVNT FILTER: BK-7, OD=75mm, ID=7.5mm, 100% to 10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
75mm
7.5mm
R06705-00 CVNT FILTER: BK-7, OD=75mm, ID=7.5mm, 100% to 1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
75mm
7.5mm
R06706-00 CVNT FILTER: BK-7, OD=100mm, ID=25.4mm, 100% to 10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
100mm
25.4mm
R06707-00 CVNT FILTER: BK-7, OD=100mm, ID=25.4mm, 100% to 1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
100mm
25.4mm
R06708-00 CVNT FILTER: BK-7, OD=125mm, ID=25.4mm, 100% to 10% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
125mm
25.4mm
R06709-00 CVNT FILTER: BK-7, OD=125mm, ID=25.4mm, 100% to 1% TRANSMISSION 2mm ±0.2mm
BK-7
80-50 Scratch & Dig
< 2 Fringes / Inch @ 632.8nm
< 3 Arc Minutes
125mm
25.4mm

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