Choti posankha mandala? Kutalikira - mmodzi wa magawo chachikulu

Imodzi mwa magawo chachikulu chimene mukufuna kulabadira posankha mandala - Utali. Izo zimatengera mbali kuonera kamera adzakhala mumpanda, ntchito ndi wina chipangizo kuwala. Mkhalidwe umenewu amayezedwa millimeters, masentimita ndi mamita. chizindikiro Izi zikusonyeza mmene pafupi kapena kutali kuwona disolo. Kutalikira ndi kukula thupi ya mandala kuti sasintha. Zilibe zimadalira mtundu wa kamera, chimene dongosolo kuwala ntchito. Childs, mandala kukula zimadalira kutalika focal, i.e. wamkulu otsiriza m'pamenenso adzakhala kutalika kwa chipangizo.

The kuwala dongosolo ali zotsatirazi thupi makhalidwe: kumbuyo yaikulu ndege, kutsogolo ndi kumbuyo focal amayesetsa. The chizindikiro choyamba ndi ndege perpendicular kwa mandala olamulira. Iwo akhoza ili mmalire a chipangizo, ndi kutulukamo. Izo zimatengera mtundu disolo ndi mawonekedwe mandala. Kutsogolo Utali - ndi njira yachiwiri kwa chotsatirachi kuwombera si bwanji, koma kumbuyo - ichi ndi khalidwe lofunika kwambiri. Amatanthauza ndi gawo la fano zakuthwa chinthu oyenerera pa mtunda ndi wopandamalire kwa chipangizo chachikulu ndege kumbuyo. Kodi zikutanthauza chiyani? Ngati chinthu lili kutsogolo kwa mandala, chifanizo adzakhala lakuthwa kumbuyo disolo. Mtunda umenewu umafanana ndi kutalika focal.

kachitidwe kuwala akhoza kugawidwa mu mitundu iwiri: atathana ndi variable. Mandala Utali umene siyana, amatchedwanso makulitsidwe mandala ndi varifocal.

Taganizirani chitsanzo cha mmene chizindikiro ichi imaonekera pa nyumba chipangizo kuwala ndi tanthauzo lake. Tengani magalasi ndi kuliika Utali wa Nikon a, pa thupi limene linalembedwa 85 mm. chizindikiro Izi zikutanthauza kuti chipangizo ndi mtunda yoikika 85 millimeters. Mwachitsanzo, kutenga disolo chachiwiri ndi variable focal mtunda Tamron. Thupi yake 28-200 mm. Pansi loterolo amatanthauza kuti kutalika focal a dongosolo kuwala zingasiyane mamilimita 28 200.

Aliyense katswiri wojambula zithunzi zambiri waika mwa magalasi okhudza zinafunika mtunda zosiyanasiyana. Izi zimathandiza kuphimba zinthu zonse zomwe zingabuke pa ntchito. Chonchi zida ambiri zikuphatikizapo zipangizo kuwala ndi magawo zotsatirazi: 14 24 mm, kuyambira 24 mpaka 70 mm, kuyambira 70 200 mm, kuchokera mamilimita 200 400 mm.

Muyenera kudziwa kuti, kuwonjezera pa ngodya maganizo, Utali nawonso amakhudza kaonedwe zithunzi. Choncho pa liwiro losiyana kukula kwa nkhani Zithunzi adzakhala m'njira zosiyanasiyana ku mafano. Chosololera dongosolo kuwala umabweretsa osati nkhani, komanso danga kutsogolo ndi kumbuyo phunziro kwambiri. Chotambala chida ndi zaka pa kukula kwa zithunzi za zinthu zonse. Komanso, osiyana amayesetsa focal bwanji maziko blur.

Pomaliza, tinganene kuti yekha ndi kumasulira ankafunila osiyanasiyana, n'zotheka kusankha yoyenera mandala. Kutalikira kwambiri amakhudza blur blur dera, komanso chithunzi m'tsogolo.