Kev yuav khoom ntawm lub lens rau feem ntau cov kws yees duab yog tag nrho cov xwm txheej, uas, vim qhov nqi siab ntawm "iav", tsis tshwm sim tas li. Tshwj xeeb yuav tsum them nyiaj rau kev kuaj lub lens ua ntej yuav khoom, raws li feem ntau muaj teeb meem nyob rau hauv daim ntawv ntawm pem hauv ntej thiab rov qab tsom.
Tsim nyog
- - cov koob yees duab;
- - lo ntsiab muag hauv qab kuaj;
- - tripod;
- - tshwj xeeb nplai.
Cov Lus Qhia
Kauj ruam 1
Ib qho teeb meem hu ua rov qab tsom manifests nws tus kheej ua qhov hloov ntawm qhov tob ntawm daim teb thaum tsom rov qab. Sib nug, nyob rau hauv pem hauv ntej tsom teeb ntawm lub lens "ploj" rau pem hauv ntej, i.e. ntawm lub koob yees duab. Hauv qhov no, qhov kev kawm raug tua poob rau hauv thaj chaw plooj. Txhawm rau kuaj lub lens rau pem hauv ntej thiab tom qab tsom, mus yuav qhov tshwj xeeb los ntawm lub khw muag khoom yees duab. Koj tuaj yeem ua rau koj tus kheej, cia li rub tawm cov nplai duab los ntawm Is Taws Nem thiab luam nws. Ua kom muaj zog thiab ruaj khov, lo cov ntawv ntsuas rau ntawm ib daim ntawv tuab thiab txiav tawm “tus ceg”.
Kauj ruam 2
Tso lub koob yees duab rau saum rooj lossis kos, qhov loj tshaj plaws yog kom ua tiav qhov kev ruaj khov yam tsis muaj phom. Teem lub tshuav dawb rau ntawm ib daim ntawv, hauv lub tshuab raj yees duab, xaiv qhov nqaij AF hom. Teem lub hom rau Av (aperture អាទិភាព) thiab kho cov nyiaj raug rau hauv cov thaj tsam ntawm +1, 3 - +1, 5 Ev. Ua txhua qhov kev txhaj tshuaj ntawm qhov dav dav tau, qhov no yuav tso cai rau koj kom ua tiav qhov siab tshaj plaws. Yog tias koj lub koob yees duab tau nruab nrog cov duab kom ruaj khov, ua rau nws lub zog.
Kauj ruam 3
Xaiv qhov kev ncua deb rau lub phiaj kom txhua txoj kev sib faib vau rau hauv tus ncej. Teem lub koob yees duab kom cov dav hlau ntawm lub hom phiaj tsom mus rau txoj kab uas sib dhos ntawm lub lens. Teeb lub hom autofocus (AF txoj haujlwm) thiab tsom mus rau ib sab. Tom qab ntawd taw rau ntawm qhov chaw ntawm lub hom phiaj thiab nqa ib daim duab. Nqa mus rau lwm sab thiab coj mus txhaj dua. Saib tsawg kawg 10 daim duab kom yooj yim dua.
Kauj ruam 4
Saib qhov tshwm sim hauv computer saib. Yog tias qhov chaw nruab nrab ntawm lub hom phiaj (koj lub focal taw tes) cov kab ke "yoov" tshaj qhov tau tso cai tus nqi (los ntawm thaj tsam li 1/3 txog 1 qhov tob ntawm daim teb) thiab hloov tawm mus rau qhov tsis tau ua kom pom tseeb, tom qab ntawv muaj qhov pom tseeb rov qab / pem hauv ntej. Thov nco ntsoov tias tsis yog lub lens xwb, tab sis kuj tus ntaus nws tus kheej tuaj yeem "nco". Yog hais tias autofocus "smears" nrog cov lo ntsiab muag sib txawv, ces cov teeb meem feem ntau yuav nyob hauv lub koob yees duab kev teeb tsa.
