Dua li ntawm qhov tseeb tias tam sim no yog lub sijhawm rau digital thaij duab, ntau tus kws yees duab, ob leeg kws tshaj lij thiab kev nyiam ua, nyiam zaj duab xis. Cov koob yees duab cov tshuab muaj peev xwm tso siab dua li digital cov duab, thiab muaj peev xwm hloov hauv matrix nrog txhua zaj duab xis tshiab tshem tawm cov nqi kho dua tshiab.
Cov Lus Qhia
Kauj ruam 1
Txhua cov yeeb yaj kiab tuaj yeem muab faib ua hom raws li hom. Cov duab yeeb yaj kiab uas feem ntau yog 24x36mm thiab hu ua Hom 135. Qhov no yog zaj duab xis nqaim uas haum rau cov koob yees duab zoo tshaj plaws thiab tau muag hauv txhua lub khw muag duab. Nruab nrab hom - zaj duab xis hom 120, nws dav yog 56 hli, thiab qhov ntev yog tsim rau 16, 12 lossis 10 thav ntawv. Qhov ua yeeb yaj kiab loj tshaj plaws - dav - tsis tshua muaj siv. Qhov yeeb yaj kiab no yog tsim hauv nplooj ntawv. Cov duab nruab nrab thiab dav tsis haum rau cov koob yees duab zoo nkauj thiab tau siv los ntawm cov kws tshaj lij duab thaij duab.
Kauj ruam 2
Lub teeb rhiab yog lwm tus yam ntxwv tseem ceeb, nws tau tsau tus nqi txiav txim siab los ntawm lub ntiaj teb ISO tus qauv. Yog tias koj tua nyob rau hnub qab hnub, xaiv zaj duab xis nrog qhov rhiab ntawm 100 units. Rau sab hauv tsev thiab sab nraum zoov thaij duab hauv huab cua huab, 200 units yuav txaus. Yog hais tias chav nyob tsis zoo, siv 400-800 units ntawm zaj duab xis. Nco ntsoov tias qhov siab dua qhov teeb pom kev zoo dua, qhov kev nthuav dav tsawg dua thiab qhov tseeb.
Kauj ruam 3
Cov yeeb yaj kiab tuaj yeem yog xim lossis xim dub thiab dawb. Ob hom tuaj nyob rau hauv ntau ntau yam, muaj qhov sib txawv ntawm theem ntawm kev nthuav dav, tonal ntau thiab sib piv. Qhov kev xaiv feem ntau nyob ntawm kev nyiam ntawm tus kws yees duab lossis tua cov haujlwm. Monochrome zaj duab xis muaj rau txoj kev txhim kho hauv tsev, thaum xim zaj duab xis muaj rau koj nqa mus rau chav tsaus.
Kauj ruam 4
Thaum xaiv cov zaj duab xis, tseem xyuam xim rau qhov ntsuas. VC lossis C txhais tau tias kev kub ntau dua lossis sib piv. NC lossis S - cov yeeb yaj kiab nruab nrab ntau.
Kauj ruam 5
Ntxiv rau cov qauv yeeb yaj kiab, muaj cov yeeb yaj kiab tsim rau kev tua cov haujlwm tshwj xeeb. Yog li, piv txwv li, thaum tsim kom muaj toj roob hauv pes hauv qhov infrared ntau, koj xav tau tsis tsuas yog cov lim tshwj xeeb rau optics, tab sis kuj muaj cov zaj duab xis tsim nyog, piv txwv li Rollei Infrared. Yog tias koj tau siv qhov zoo tshaj qhov muag, siv cov duab tshwj xeeb ci siab rau kev ua yeeb yaj kiab. Txoj kev no koj tuaj yeem pom tag nrho cov peev xwm ntawm koj lub lens.
Kauj Ruam 6
Cov neeg nyiam yees duab tsis tas yuav yuav lub koob yees duab kim rau lawv cov kev paub dhau los nrog zaj duab xis. Tej thooj koob yees duab ntuag thiab txheem 135 hom zaj duab xis (35 hli) yuav ua haujlwm rau koj. Nco ntsoov tias tsis yog txhua lub koob yees duab txhua yam muaj lub ntsuas dej tsim teeb, uas txhais tau hais tias lub ntsuas hluav taws xob nrawm thiab qhov ntsuas aperture yuav tau teeb tsa los ntawm tus kheej.