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- Andover吸收中性密度滤光片
- Andover吸收中性密度滤光片
Andover吸收中性密度滤光片
由于具有**小化背反射和散射光的能力，吸收中性密度（ND）滤光片是校准的理想选择。与金属类型相反，吸收型滤光器通过吸收基板内的光来实现其光密度。因此，厚度是不透明度的关键决定因素。由于其吸收质量，这些滤波器仅适用于低功率应用。
Andover吸收式ND滤光片的**之处在于它们采用增透膜涂层以减少表面反射。这使得它们能够堆叠而不用担心由于多次反射造成的损失和伪影。
请注意，我们所有的Absorbing ND滤镜都是成套的，包括硬木储物盒。
GENERAL SPECIFICATIONS
Thickness: 5.0mm (maximum) Dimensional Tolerance: +0.0/-0.25mm Clear Aperture: 90% of outside dimension Surface Quality: 80/50 per MIL-0-13830B Max. Operating Temperature: +100°C Substrate Material: Schott absorption glass Spectral Range: 400–700nm Optical Quality: Flatness of λ/4 per inch and parallelism of 30 arc seconds or better Mechanical: Unmounted Andover吸收中性密度滤光片
0.1 OD, 79.43% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 010ABND-25 %T (Optical Density) 79.43 (0.1 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 4.95 +nom/-nom mm 0.1 OD, 79.43% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 010ABND-50S %T (Optical Density) 79.43 (0.1 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 4.95 +nom/-nom mm 0.2 OD, 63.10% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 020ABND-25 %T (Optical Density) 63.10 (0.2 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 1.52 +nom/-nom mm 0.2 OD, 63.10% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 020ABND-50S %T (Optical Density) 63.10 (0.2 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 1.52 +nom/-nom mm 0.3 OD, 50.12% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 030ABND-25 %T (Optical Density) 50.12 (0.3 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 2.84 +nom/-nom mm 0.3 OD, 50.12% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 030ABND-50S %T (Optical Density) 50.12 (0.3 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 2.84 +nom/-nom mm 0.4 OD, 39.81% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 040ABND-25 %T (Optical Density) 39.81 (0.4 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 3.78 +nom/-nom mm 0.4 OD, 39.81% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 040ABND-50S %T (Optical Density) 39.81 (0.4 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 3.78 +nom/-nom mm 0.5 OD, 31.62% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 050ABND-25 %T (Optical Density) 31.62 (0.5 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 2.11 +nom/-nom mm 0.5 OD, 31.62% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 050ABND-50S %T (Optical Density) 31.62 (0.5 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 2.11 +nom/-nom mm 0.6 OD, 25.12% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 060ABND-25 %T (Optical Density) 25.12 (0.6 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 2.54 +nom/-nom mm 0.6 OD, 25.12% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 060ABND-50S %T (Optical Density) 25.12 (0.6 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 2.54 +nom/-nom mm 0.7 OD, 19.95% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 070ABND-25 %T (Optical Density) 19.95 (0.7 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 2.95 +nom/-nom mm 0.7 OD, 19.95% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 070ABND-50S %T (Optical Density) 19.95 (0.7 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 2.95 +nom/-nom mm 0.8 OD, 15.85% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 080ABND-25 %T (Optical Density) 15.85 (0.8 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 3.38 +nom/-nom mm 0.8 OD, 15.85% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 080ABND-50S %T (Optical Density) 15.85 (0.8 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 3.38 +nom/-nom mm 0.9 OD, 12.59% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 090ABND-25 %T (Optical Density) 12.59 (0.9 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 1.75 +nom/-nom mm 0.9 OD, 12.59% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 090ABND-50S %T (Optical Density) 12.59 (0.9 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 1.75 +nom/-nom mm 1.0 OD, 10.00% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 100ABND-25 %T (Optical Density) 10.00 (1.0 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 1.96 +nom/-nom mm 1.0 OD, 10.00% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 100ABND-50S %T (Optical Density) 10.00 (1.0 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 1.96 +nom/-nom mm 1.5 OD, 3.16% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 150ABND-25 %T (Optical Density) 3.16 (1.5 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 2.90 +nom/-nom mm 1.5 OD, 3.16% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 150ABND-50S %T (Optical Density) 3.16 (1.5 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 2.90 +nom/-nom mm 2.0 OD, 1.00% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 200ABND-25 %T (Optical Density) 1.00 (2.0 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 2.06 +nom/-nom mm 2.0 OD, 1.00% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 200ABND-50S %T (Optical Density) 1.00 (2.0 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 2.06 +nom/-nom mm 3.0 OD, 0.10% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 300ABND-25 %T (Optical Density) 0.10 (3.0 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 2.92 +nom/-nom mm 3.0 OD, 0.10% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 300ABND-50S %T (Optical Density) 0.10 (3.0 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 2.92 +nom/-nom mm 4.0 OD, 0.01% transmission, 25.0 mm Unmounted, Absorptive Neutral Density Filter PART NO. 400ABND-25 %T (Optical Density) 0.01 (4.0 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 25.0 mm diameter Thickness 2.82mm +nom/-nom mm 4.0 OD, 0.01% transmission, 50.0 x 50.0mm Unmounted, Absorptive Neutral Density Filter PART NO. 400ABND-50S %T (Optical Density) 0.01 (4.0 OD) Specifications ±10% of the Optical Density @ 550nm Substrate Material Absorbing Filter Glass Size 50.0 x 50.0 mm square Thickness 2.82 +nom/-nom mm