Near infrared（NIR）absorption filters are prepared by NIR-dyes and optical plastics.These NIR absorption filters can be applied to light apparatus for night vision imaging system（NVIS）which is compatible with lighting.The optical performance of the filters is studied under different dye dosage.The results show the optical properties of the filters can be easily controlled by changing the amount of NIR-dyes.Besides,there is a good linear relationship between absorbance and NIR-dyes dosage.A NIR absorption filter with optimal dye dosage has been prepared.The filter shows strong absorbing ability in the region between 660nm and 930nm.Meanwhile,the filter has sufficient transmittance between 400 nm and 630 nm.The test result shows that the filter has good application performance.