Cov thev naus laus zis mus tom ntej thiab zoo li lawv tsis xav tias yuav nres. Qhov no kuj siv rau cov khoom thaij duab. Cov neeg tsim khoom nthuav tawm cov qauv tshiab ntawm cov koob yees duab - ib qho zoo tshaj dua li lwm qhov. Ob leeg pib thiab tus kws tshaj lij thaij duab sim mus khaws nrog cov khoom tshiab. Tab sis qhov no tsis hloov pauv txoj cai uas tus kws kos duab yuav tsum paub nws lub cuab tam los ntawm 200%. Xws li tag nrho cov txheej txheem kev sib tw uas nws lub koob yees duab muaj peev xwm - aperture, photosensitivity, shutter speed …
Tsim nyog
- - cov koob yees duab;
- - ntau teev sijhawm xyaum.
Cov Lus Qhia
Kauj ruam 1
Muab koj lub koob thaij tso rau hauv phau ntawv hom (ib txwm qhia los ntawm tsab ntawv M ntawm lub log). Nrhiav ntu ntu hauv nws cov chaw uas qhov ntsuas tau hloov qeeb. Shutter ceev yog lub sijhawm uas lub koob yees duab kaw tseem qhib thaum lub sijhawm tua. Niaj hnub no, kev kaw hluav taws xob tuaj yeem sib txawv los ntawm 30 vib nas this txog 1/8000. Kev sim, hloov qhov ntsuas qhov nrawm dua, thaij duab ntawm ib qho txav txav thiab sib piv qhov sib txawv. Tab sis qhov tseem ceeb tshaj plaws yuav tsum nco ntsoov yog ib txoj cai yooj yim heev: lub teeb ci dua yam khoom uas koj yuav mus thaij duab yog ua rau lub teeb pom kev zoo dua, qhov luv dua ntawm qhov shutter ceev yuav tsum. Hloov siab, yog tias muaj lub teeb me me, ces qhov ntsuas nrawm nrawm yuav tsum ntev li ntev tau. Kev kis ntev ntev yog suav tias yog los ntawm 1/30 txog 1 s thiab siab dua, thiab luv luv - txij li 1/125 txog 1/4000 thiab qis dua.
Kauj ruam 2
Hloov qhov kev hloov pauv ntawm qhov ntsuas mus rau 1/500 lossis qis dua txhawm rau txhawm rau thaij duab kev hloov mus. Xyaum, tawm mus sab nraud. Koj tuaj yeem pom ntau qhov kev txav ntawm no. Piv txwv li, mus rau lub tiaj ua si thiab thaij duab ntawm cov neeg kev sib tw lossis cov menyuam yaus ua si. Txo cov shutter ceev kom txog thaum pom daim duab thiab cov npoo ntawm cov ntsiab lus pom zoo dua. Hloov pauv, nce qhov kaw lub nrawm (60 lossis ntau dua) kom txog thaum koj tau txais "tus Tsov tus tw" zoo nkauj los ntawm cov kev hloov hauv daim duab. Sim cov nyhuv no thaum tua thaum hmo ntuj, thaij duab cov txav ntawm luminous cov qeeb qeeb. Piv txwv li, kev txav ntawm lub tsheb, taws tswm ciab lossis teeb moos soos hauv tes ntawm tib neeg, koj yuav pom qhov txuj ci zoo li cas tuaj yeem tsim los ntawm kev hloov pauv lub nrawm nrawm ntawm lub koob yees duab! Qhov tshwm sim yuav yog cov duab hauv cov khoom txav mus los yuav tawm mus deb ntawm lawv.
Kauj ruam 3
Hloov qhov txav ceev hauv qhov sib txig sib luag nrog kev hloov ntawm aperture. Yog koj qeeb lub ntsuas hluav taws xob qeeb, txo lub aperture thiab hloov ua lwm yam. Nws yog ib qho tsim nyog yuav tau hloov cov chaw no ncaj qha rau hauv kev sib txuam, vim tias tsuas yog lawv cov kev sib koom ua ke muab qhov kev pom zoo thiab zoo tshaj plaws. Yog li sim. Tsuas yog xyaum koj yuav txawj no kev kawm txoj kev. Xaiv qee yam khoom txav tas li kom koj tsis tas yuav nkim sijhawm mus nrhiav cov khoom tshiab. Piv txwv li, tua dej (dej nrawm nrawm, dej ntws, dej tsaws tsag, thiab lwm yam) thiab taug qab qhov kev hloov ntawm qhov nrawm nrawm nrawm li cas cuam tshuam rau kev nthuav dav hauv koj qhov tua.
