Chimene mukufunikira kudziwa za lens ya camcorder.
Kunja kwa kuyang'ana kuchuluka kwa zokopazo kumatulutsira, mwayi sungapereke chidwi kwambiri ndi diso la camcorder. Ndani amasamala za galasi pomwe pali kuyang'anizana ndi maso ndi GPS kuti uyankhulepo? Chabwino, muyenera kusamala! Lenseni ndilofunika momwe camcorder yanu ikugwirira ntchito . Pali mitundu iwiri yofunikira ya makamera a camcorder: omwe amamangidwa mu camcorder ndi malonda omwe mungathe kugula pambuyo pa mfundo ndikugwirizanitsa ku camcorder yanu pa zotsatira zina. Nkhaniyi ikukhudzana ndi makina opangira okha. Mukhoza kuphunzira zambiri za zowonjezera zamakono zamakono apa.
Optical Zoom Lenses
Kaccorder yomwe ili ndi makina osindikizira opanga amatha kukweza zinthu zakutali. Zimatero potulutsa zidutswa za magalasi mkati mwa camcorder. Makina opangira zojambula amasiyanitsa ndi kukula kwake komwe amapereka, kotero malonda a zoom 10x angakweze chinthu katatu.
Malingaliro Okhazikika
Lens loyang'ana ndilo lomwe silikusunthira kukwaniritsa kukweza. Ndi "yokhazikika" m'malo mwake. Ma camcorders ambiri omwe ali ndi malingaliro oikapo chidwi adzapereka "zoom zoom". Mosiyana ndi mnzake wogwiritsa ntchito, zojambula zadijito sizikulitsa chinthu chakutali. Zimangobzala zochitikazo kuti "ziganizire" pa phunziro limodzi. Kuti mudziwe zambiri zokhudza momwe zojambula zamagetsi zimagwirira ntchito komanso chifukwa chake ndi zosiyana (ndi zochepa) kuti muzitsulo, lolani apa.
Kumvetsetsa Focal Lengths
Kutalika kwa lens kumatanthauza mtunda kuchokera pakati pa lens mpaka kufika pa chithunzi chojambula chomwe chithunzi chikuyang'ana. Chifukwa chiyani nkhaniyi? Inde, kutalika kwake ndi njira yovuta kwambiri kukuuzani kuchuluka kwa momwe camcorder yanu ikufunira komanso zomwe zikuwonekera.
Kutalika kwakukulu kumayesedwa mulimita. Kwa makamerawa okhala ndi makina opanga zojambula, mudzawona chiwerengero cha chiwerengero: woyamba akukupatsani kutalika kwapakati ndi yachiwiri kukupatsani kutalika kwa kutalika pa telephoto (mwachitsanzo pamene mwatulutsa " kukuza phunziro). Ngati mumakonda masamu, mukhoza kudziwa kukula, kapena "x" chifukwa cha camcorder yanu mwa kugawira nambala yachiwiri mu kutalika kwa woyamba. Kotero kamcorder ndi 35mm-350mm lens ili ndi zojambula 10x zojambula.
Wala Angle Lenses
Chiŵerengero chowonjezeka cha camcorders chayamba ndi malingaliro onse aakulu . Palibe lamulo lolimba komanso lachangu lapamwamba pamene makina ojambulidwa ndi makcorder amalingaliridwa mozungulira, koma nthawi zambiri mumakhala chitsanzo cholengeza ngati muli ndi kutalika pansi pa 39mm. Monga dzina limatanthawuzira, mawonekedwe azing'onoting'ono angapangitse malo ambiri popanda chowombera kuti atenge gawo kapena awiri kuti alowemo. Ndi phindu lenileni.
Kumvetsetsa Kutsegula
Lens iliyendetsa kuchuluka kwa kuwala kukudutsa ku sensa pogwiritsira ntchito diaphragm, yomwe imatchedwanso iris. Ganizirani za ophunzira akufutukuka kuti mulowetse kuunika kapena kuvomereza kosavuta kuti muzindikire momwe iris ikugwirira ntchito.
Kukula kwa kutsegula kwa iris kumatchedwa kutsegula. Makamera apamwamba kwambiri amakulolani kuti mulamulire kukula kwa chivundikirocho. Izi ndi zofunika pa zifukwa ziwiri:
1. Kutsegula kwakukulu kumalowetsa kuunika kwina, kukuwonekera bwino ndikuwongolera machitidwe muzithunzi zooneka bwino. Mosiyana ndi zimenezi, kanyumba kakang'ono kamangotulutsa kuwala pang'ono.
2. Kusintha malo opangidwe kwa mandala kumakuthandizani kuti musinthe mafunde ambiri, kapena kuti pali zochitika zingati. Kutsegula kwakukulu kudzapangitsa zinthu kutsogolo kwa iwe bwino kwambiri koma msangamsanga zimasokoneza. Danga laling'ono lidzapangitsa chirichonse kuganizira.
Anthu opanga makamoni amatha kulengeza zapamwamba kwambiri - mwachitsanzo, momwe iris angatsegulire kuti avomereze kuwala. Zonse, zabwino.
Kodi Mungadziwe Bwanji Zimene Mumakonda Pakanema & # 39; s Aperture Is?
Kutsekera kwa camcorder kumayesedwa mu "f-stops." Mofanana ndi zojambula zowonongeka, mukhoza kupanga masamu kuti mudziwe malo otsika kwambiri a camcorder yanu. Ingolingani kutalika kwa kutalika kwake kwa mlingo wa mandala (izi zimakhazikitsidwa pansi pa mbiya ya lens). Kotero, ngati mutakhala ndi masentimita 220mm okhala ndi mamita 55mm, mungakhale ndi malo oposa f / 4.
Pansi pansi f-stop nambala, kutsegula kwala kwa lens. Kotero mosiyana ndi zojambula zamagetsi, kumene mukuyang'ana chiwerengero chachikulu, mukufuna kaccorder ndi malo otsika, kapena f-stop number.