4K lo ntsiab muag yog qhov kev xaiv nrov rau cov koob yees duab hauv lub hlwb vim lawv lub siab daws teeb meem cov duab uas tseem ceeb rau kev nyab xeeb thiab kev nyab xeeb. Cov lo ntsiab muag no tau tsim los ntes ultra-siab txhais (UHD) cov duab nrog kev daws teeb meem ntawm 3840 x 21,60 yog plaub zaug daws teeb meem tag nrho (1080p).
Thaum xaiv ib lub lens 4k rau lub koob yees duab tsheb, nws yog ib qho tseem ceeb heev rau kev txiav txim siab xws li focal ntev, aperture, thiab duab ua kom ruaj khov. Focal ntev yog qhov kev ncua deb ntawm lub lens thiab cov duab sensor, thiab nws txiav txim siab lub kaum sab xis ntawm kev pom thiab kev tshaj tawm ntawm daim duab. Aperture yog hais txog qhov qhib hauv lub lens los ntawm lub teeb uas lub teeb dhau mus, thiab nws cuam tshuam tus nqi ntawm lub teeb uas ncav cuag cov duab sensor.
Cov duab stabilization tseem yog qhov tseem ceeb txiav txim siab rau cov koob yees duab hauv lub hlwb, raws li nws pab txo cov plooj plooj tshwm sim los ntawm lub koob yees duab lossis tshee los ntawm lub tsheb. Qee qhov kev ntsuas nyhav 4k feates built-in stabilization, thaum lwm tus yuav xav tau ib qho kev sib cais cais.
Ib qho ntxiv, nws yog ib qho tseem ceeb kom xaiv lub lens uas yog qhov ruaj khov thiab tiv taus cov mob hnyav, xws li hmoov av, noo noo. Qee qhov teeb nyees 4K yog tsim tshwj xeeb rau kev siv hauv cov ntawv thov hauv cov lag luam thiab tej zaum yuav muaj cov khoom tshwj xeeb tshwj xeeb lossis cov ntaub ntawv los txhim kho lawv cov kev ua haujlwm ruaj khov thiab ua haujlwm.
Zuag qhia tag nrho, xaiv txoj cai 4k lens rau ib lub koob yees duab tsheb lag luam xav tau kev ua tib zoo, focal ntev, aperture, kho duab stabization, thiab durability. Los ntawm kev siv lub sijhawm los xaiv lub lens sab xis rau koj cov koob yees duab tshwj xeeb qhia meej, muaj cov duab zoo rau kev nyab xeeb thiab kev nyab xeeb.