Canon tau tsim tag nrho cov kab sib txawv rau nws lub koob yees duab SLR, uas suav nrog ob qho tib si super-telephoto thiab ultra-wide-angle qauv. Cov tswv ntawm "DSLRs" los ntawm lub tuam txhab muaj npe nrov yuav tsum xav txog kev xaiv cov lo ntsiab muag sib hloov.
Ib qho kev xaiv zoo los pib yees duab yog Canon lub lens dav, uas muaj qhov ntev focal ntev.
Wide-angle li suav nrog optics muaj qhov sib npaug ntawm qhov ntev ntawm 24 txog 35mm. Xws li lub lens, vim qhov muaj nuj nqis loj ntawm lub kaum sab xis ntawm qhov pom, tuaj yeem pom qhov dav dav thiab, raws li txoj cai, tso cai rau koj los ntes cov toj roob hauv pes tsis nco qab thiab kev pom vaj tsev nyob ze.
Tsis tas li, Canon lub lens dav dav yog qhov ntse dua rau kev txhaj tshuaj zoo nkauj. Tsis tas li ntawd, cov khoom siv kho qhov muag zoo heev, koj tuaj yeem nqa nws nrog koj ntawm txoj kev yooj yim.
Kev tua cov architecture, interiors thiab toj roob hauv pes tsis yog ib daim ntawv teev tag nrho ntawm qhov koj tuaj yeem ua tauthaij duab nrog cov khoom siv Canon. Cov tswv siv lub kaum ntse ntse los tsim cov ntaub ntawv thiab kev txhaj tshuaj, nrog rau kom tau txais cov duab.
Ua tsaug rau qhov muaj peev xwm ntawm thev naus laus zis, koj tuaj yeem tau txais cov duab uas koj xav xav txog txhua yam. Tsis tas li ntawd, Canon lub lens wide-angle tso cai rau koj mus ntes thaj tsam loj txaus ntawm qhov chaw, qhia tib neeg thiab lawv ib puag ncig hauv cov duab.
Ntau hom khoom lag luam thoob plaws lub kaum ntse ntse focal ntev lo ntsiab muag uas muaj cov cuab yeej kho qhov muag tshiab muaj nyob rau hauv khw niaj hnub no.
Yog li, muaj kev xaiv rau cov pib tshiab, zoo li Canon 24mm EF wide-angle lens. Cov cuab yeej yog compact thiab ntxim nyiam tus nqi. Qhov no fixture muaj qhov ntev focal ntev ntawm 24 hli, aperture ntawm 2.8, nrog rau lub kaum sab xis ntawm 84 degrees. Qhov no mechanism yog zoo tagnrho rau lovers ntawm toj roob hauv pes yees duab los yog documentary photography. Koj tuaj yeem nqa nws mus ncig: lub lens yuav tsis cia koj poob.
Nruab nrog xws li optics, lub koob yees duab tso cai rau koj yuav luag los ze rau ntawm qhov khoom raug txhaj rau qhov kev xav dav dav. Qhov kev tua tsawg kawg nkaus tsuas yog 0.2 meters. Cov cuab yeej muaj nyob rau ntawm lub nkoj muaj cov duab stabilizer uas tso cai rau koj ua hauj lwm nrog qeeb shutter speeds, thaum cov duab tsis muaj qhov muag plooj los ntawm kev co.koob yees duab.
Canon lo ntsiab muag ntawm cov qauv no muaj lub teeb pom kev zoo, lawv qhov hnyav tsuas yog 280 grams. Lawv muaj lub diaphragm uas muaj xya lub ntsej muag, uas tso cai rau koj kom tau txais cov txiaj ntsig zoo nkauj. Rau qhov ntsiag to thiab ceev ceev, ib tug ultrasonic tsav yog muab. Thiab phau ntawv qhia kev kho kom haum yog ua yam tsis hloov hom. Cov cuab yeej siv cov khoom siv kho qhov muag nrog cov txheej tshwj xeeb uas txhim kho qhov sib txawv los ntawm kev txo qis glare.
