Txhawm rau ua tiav "cov nyhuv ntses" koj yuav xav tau lub lens nrog focal ntev ntawm 8 lossis 10mm. Nov yog cov lus qhia dav dav: Yog tias koj tab tom tua nrog lub koob yees duab tag nrho zoo li Canon 5D Mark II lossis Nikon D700, koj xav tau lub lens nrog qhov ntev ntawm 15 lossis 16 hli.
Qhov twg yog qhov zoo tshaj plaws fisheye lens?
Top 5 fisheye lo ntsiab muag rau kev yees duab tshwj xeeb
- Sigma AF 15mm f2.8 EX DG Diagonal Fisheye. $999.95.
- Sigma AF 8mm F3.5 EX DG Circular Fisheye. $1,199.95.
- Tokina 10-17mm f3.5-4.5 DX. $1,099.95.
- Canon EF 8-15mm f4 L Fisheye. $1,999.95.
- Samyang 8mm Fisheye F2.8. $499.95.
Puas yog fisheye lo ntsiab muag tsim nyog?
Ib qhov muag ntses kuj tseem yog muaj txiaj ntsig zoo hauv kev txhaj tshuaj uas ib txwm xav tau ntau yam teeb meem thiab qee zaum yuav luag tsis tuaj yeem ua nrog lub lens dav dav dav. Xav txog qhov vwm vertigos los ntawm lub ru tsev lossis cov duab uas cov kab sib txawv tiag tiag muab lub ntsiab lus rau ib daim duab.
Ntev npaum li cas yog suav tias yog fisheye?
Mass-produced fisheye lo ntsiab muag rau kev yees duab thawj zaug tshwm sim nyob rau hauv thaum ntxov 1960s thiab feem ntau yog siv rau lawv cov cim, distorted tsos. Rau cov hom yeeb yaj kiab nrov 35 hli, qhov ntev focal ntev ntawm lub ntsej muag lo ntsiab muag yog nruab nrab ntawm 8 hli thiab 10 hli rau cov duab ncig, thiab 15–16 hli rau cov duab puv.
Pob lub qhov muag ntsej muag ua kom pom qhov loj dua?
Ntses ntsej muag lo ntsiab muagtsim qhov kev xav tsis thoob ntawm qhov tob heev - cov khoom nyob ze ntawm qhov chaw ntawm lub lens yuav tshwm loj thaum tag nrho lwm yam khoom (qhov no, tus nyuj lub cev thiab toj roob hauv pes) zoo li nkhaus tawm mus rau hauv infinity.
