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Accute Optical Technology Co.,Ltd,offer IR pass filter,bandpass filters

Purchase Procedure

1). Confirm Part no, size, qty, unit price and account.
2). Prepare an official order or an proforma invoice to confirm.
3). Buyer makes payemnt according to proforma invoice.
4). Seller dispatch goods to buyer with tracking no.
5). If you can't find any suitable part no on our site,pls send email and let us know your detailed requirement.
Last Update: 2014-11-14

 

NDF filter
  • Application:Imaging Systems,Measuring Instruments,photograph
  • Substrate:Color glass,Soda-lime glass
  • Package:Thin film package or capacitor paper vacuum package
  • Size:Custom Design

 

Definition of NDF Filters

Neutral Density Filter reduces the brightness of an image without changing the color of the scene. It allows all wavelengths to pass through equally.

 

NDF Filters List

Part No Type Thickness Transmission Tolerance(400-700nm) Details
NDFA-02 color glass 2mm 2.0% 1.0~4.0% More
NDFA-05 color glass 2mm 5.0% 1.0~9.0%
NDFA-10 color glass 2mm 10.0% 6.0~15.0% More
NDFA-25 color glass 2mm 25.0% 18.0~32.0%
NDFA-30 color glass 2mm 30.0% 23.0~37.0%
NDFA-50 color glass 2mm 50.0% 41.0~59.0% More
NDFA-65 color glass 2mm 65.0% 58.0~72.0%
NDFA-70 color glass 2mm 70.0% 63.0~77.0%
NDFA-70R color glass 2mm M25,M27,M28,M30 ring(photograph)

 

OD value with transmission OD=Log(1/T)
OD Trans% OD Trans%
0.10 79% 0.15 70%
0.20 63% 0.30 50%
0.40 40% 0.50 32%
0.60 25% 0.70 20%
0.90 12.5% 1.00 10%
1.30 5% 1.50 3.2%
2.00 1.0% 2.50 0.3%
3.00 0.1% 4.00 0.01%
5.00 0.001% 6.00 0.0001%

 

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