Kana uchigadzirisa iris, iris inogara iri munzvimbo yakakura yekuvhura.Chete kana bhatani rekuvhara rikadzvanywa kuti risunungure shutter, iyo aperture inongodzikira kune yakatarwa f-factor, uye iyo aperture inodzokera kune yakakura aperture mushure mekuratidzwa.
Chii chinonzi lenzi?Iyo lenzi ine zvigunwe zviviri mufirimu uye terevhizheni, imwe inoreva zvinhu zvemaziso zvinoshandiswa nemabhaisikopo kamera uye mapurojekita kugadzira mifananidzo, uye inoumbwa nemalenzi akawanda.Malenzi akasiyana-siyana akasiyana ane maitiro akasiyana ekuenzanisa.Kushandiswa kwavo mukuenzanisira kwemifananidzo kunosanganisira nzira yekutaura;chechipiri chinoreva mufananidzo unoenderera wakatorwa kubva pasimba-pakuenda kusimba-kudzima, kana chidimbu chiri pakati pemapoinzi maviri, Inonziwo ytterbium.Munwe mumwe neminwe miviri pfungwa mbiri dzakasiyana zvachose.Kuti tisiyanise mutsauko pakati pezviviri izvi, imwe inoreva lens yemaziso uye iyo miviri inoreva mufananidzo we lens.
Iyo lenzi inotaurwa nezvayo mufirimu neterevhizheni haisi lenzi mune yenyama kana yekuona, asi lenzi inotakura mufananidzo uye inogona kugadzira mufananidzo.Iyo lenzi ndiyo yekutanga unit inoumba iyo firimu rose.Mapfuti akati wandei anoumba ndima kana chiitiko, uye ndima kana zviitiko zvakati wandei zvinoumba firimu.Naizvozvo, iyo lenzi zvakare chikamu chekutanga chemutauro wekuona.Ndiwo hwaro hwerondedzero uye kutaura.Mukutanga kupfura kwemabasa emufirimu neterevhizheni, lenzi inoreva huwandu hwechikamu chemifananidzo yakatorwa nekamera kubva pakutanga kusvika yakamira;mumashure ekugadzirisa, lenzi seti yemifananidzo pakati pemapoinzi maviri ekugadzirisa;mufirimu rakapedzwa, rimwe Lens inoreva chikamu chakakwana kubva kune yapfuura optical shanduko kuenda kune inotevera optical shanduko.
Basa guru re lens nderokuunganidza chiedza chakaratidzwa kubva kune chinhu chakavhenekera uye kuisa paCCD.Mufananidzo unoratidzwa paCCD wakatarisa pasi.Iyo kamera yedunhu ine basa rekuidzosera kumashure, uye iyo yekufungidzira musimboti yakafanana neyeziso remunhu.
Lens classification:Zvinoenderana nekwakabva lens, inonyanya kuJapan lens uye German lens.Malenzi echiJapan anonyanya kuve nemavara ari nani kuberekana, uye malenzi eGerman ane pfungwa yakasimba yekuisa.Pamusika, maChinese lenzi ari kutora zvishoma nezvishoma pamusika, kunyanya nekuti mitengo yacho yakadzikira.
Nguva yekutumira: Oct-08-2021