由于具有Z小化背反射和散射光的能力,吸收中性密度(ND)濾光片是校準的理想選擇。與金屬類型相反,吸收型濾光器通過吸收基板內的光來實現其光密度。因此,厚度是不透明度的關鍵決定因素。由于其吸收質量,這些濾波器僅適用于低功率應用。
Andover吸收式ND濾光片的*之處在于它們采用增透膜涂層以減少表面反射。這使得它們能夠堆疊而不用擔心由于多次反射造成的損失和偽影。
請注意,我們所有的Absorbing ND濾鏡都是成套的,包括硬木儲物盒。
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 |
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 |