微(wei)透(tou)鏡(jing)經(jing)常(chang)被用(yong)(yong)于(yu)光(guang)(guang)纖(xian)(xian)通訊(xun)和(he)光(guang)(guang)束擴展系(xi)統(tong)中(zhong). 主(zhu)要功能有光(guang)(guang)纖(xian)(xian)-光(guang)(guang)纖(xian)(xian), 半導體-光(guang)(guang)纖(xian)(xian), 和(he)光(guang)(guang)纖(xian)(xian)-偵(zhen)測器的(de)耦(ou)合(he)。獨立的(de)微(wei)型透(tou)鏡(jing)可以(yi)用(yong)(yong)于(yu)耦(ou)合(he)光(guang)(guang)線至光(guang)(guang)纖(xian)(xian)內. 而微(wei)型透(tou)鏡(jing)陣(zhen)列(lie)(lie)則(ze)通常(chang)用(yong)(yong)于(yu)增強CCD陣(zhen)列(lie)(lie)光(guang)(guang)線采集的(de)能力, 也可以(yi)用(yong)(yong)于(yu)數碼投影系(xi)統(tong)中(zhong)把光(guang)(guang)線聚集至LCD的(de)成(cheng)像部位. 微(wei)型透(tou)鏡(jing)還可以(yi)用(yong)(yong)于(yu)小型攝像裝備, 如復印機和(he)移動電話(hua). 其它的(de)用(yong)(yong)途還包括內窺(kui)鏡(jing), 3D成(cheng)像和(he)顯示(shi)。