TY - JOUR AU - Phạm Đình Quý, AU - Tuấn, AU - Công, AU - Phan Mạnh Cường, AU - Trong, AU - Đường, PY - 2021/12/12 Y2 - 2024/03/28 TI - CALCULATION AND DESIGN OF THERMAL OBJECTIVE LENS USING ASPHERICAL LENS FOR HANDHELD OBSERVATION DEVICES JF - Journal of Military Science and Technology JA - JMST VL - IS - 76 SE - Research Articles DO - 10.54939/1859-1043.j.mst.76.2021.127-136 UR - https://en.jmst.info/index.php/jmst/article/view/356 SP - 127-136 AB - <p class="jmsttmttcuibi"><span lang="IT">Thermal imaging objective lens using the aspherical lens to increase the quality of the observed image, reduce the number of lenses, thereby reducing the weight of the thermal image objective lens has been proposed and calculated. The design results using Zemax software show that the MTF function, spherical aberration, chromatic aberration, image distortion, and pixel dispersion are equivalent and better when compared to the image observation quality of the thermal imaging objective lens using three spherical lenses. These results can be applied to manufacture thermal imaging objectives lens for handheld multichannel observation devices.</span></p> ER -