Sigma 20mm f / 1.4 DG HSM Daim duab lub teeb tsa los ua tus nom

Sigma tau tshaj tawm lub ntiaj teb thawj zaug 20mm dav-kaum teeb nrug nrog qhov siab tshaj plaws ntawm f / 1.4. Raws li cov lus xaiv zeb tau kwv yees, 20 hli f / 1.4 DG HSM prime yuav ntxiv rau qhov Art-theem Art kawg uantej xyoo no.

Nyob rau nruab nrab-2015, Sigma qhia qhov 24-35 hli f / 2 DG HSM Kev kos duab thiab tau hais tias cov neeg thaij duab yuav tsum cia siab ntau qhov zoo nyob rau yav tom ntej. Cov neeg sab hauv tshaj tawm qhia tias tsawg kawg ib qho optic tshiab yuav dhau los ua txoj haujlwm lub caij nplooj zeeg no thiab qhov no nws yog: 20mm f / 1.4 DG HSM Art.

Raws li ib txwm muaj, peb tsis xav tsis thoob txog qhov tseeb tias Sigma cov khoom lag luam yog qhov pib tshaj tawm rau kev lag luam luam yeeb yaj kiab digital. Qhov tsuas yog-20mm f / 1.4 DG HSM Art lens yog lub ntiaj teb thawj zaug dav dav rau cov koob yees duab tag nrho rau qhov muaj qhov tshwj xeeb tshaj plaws ntawm f / 1.4, uas yuav pab tau rau qhov xwm txheej qis.

Sigma 20mm f / 1.4 DG HSM Art lens ua lub ntiaj teb thawj zaug 20mm optic nrog f / 1.4 aperture

Cov koob yees duab digital muaj ntau dua thiab ntau lub zog. Txhawm rau ua kom zoo dua ntawm lawv cov hwj huam tag nrho, cov tshuab tsim teeb tsa yuav tsum muab cov khoom siv zoo ua kom muaj nuj nqi, ib yam nkaus. Lub tuam txhab uas yuav luag txhua lub sijhawm ua haujlwm yog Sigma thiab nws qhov kev tsim tawm tshiab yog 20mm f / 1.4 DG HSM Txuj Ci.

Lub chaw tsim khoom lag luam hauv Nyij Pooj tau tsim cov khoom ua tiav raws li qhov xav tau ntawm cov neeg siv, yog li ntawm no yog lub ntiaj teb thawj zaug thav duab lub teeb nrog 20mm focal ntev thiab qhov siab tshaj plaws aperture ci li f / 1.4

Sigma 20mm f / 1.4 DG HSM Daim duab lub teeb nrig yuav zoo tagnrho rau cov duab qes-xoo ua tsaug rau nws txoj kev ci ntsa iab ntau.

Raws li cov xov xwm tshaj tawm, Sigma 20mm f / 1.4 DG HSM Art lens muab cov duab siab zoo thaum nws los txog thaj chaw hauv av, duab thaij sab hauv, duab hnub qub, thiab duab kos duab.

Cov khoom lag luam tau tsim nyob rau hauv thiaj li yuav ntes cov duab tsis sib txawv, ua tsaug rau aspherical iav cov ntsiab lus, thiab kom txo qis ntawm cov dab xws li nplaim taws, kev saib siab ntawm Super-Txheej Txheej.

Canon, Nikon, thiab Sigma DSLR cov neeg siv tau txais lawv txhais tes ntawm cov khoom lag luam xyoo no

Sigma 20mm f / 1.4 DG HSM Daim duab lens yog ua raws cov qauv tsim uas muaj 15 yam hauv 11 pab pawg. Cov kev teeb tsa sab hauv suav nrog F Tsis Txaus Kev Nyuaj Siab (FLD) nrog rau Tshwj Xeeb Tsawg Kev Nyias Kev Nyuaj Siab (SLD) nrog rau 9-blade aperture sib npaug.

MTF cov duab kos ntawm Sigma 20mm f / 1.4 DG HSM Daim Duab Looj Mem.

Cov khoom lag luam muaj zog Hyper Sonic Tsav uas tau hais los muab ceev nrawm, ntsiag to, thiab du autofocusing. Nws los nrog lub thoob ua los ntawm Thermally Stable Composite, yog li nws yog lub thev naus laus zis, zoo ib yam li lwm tus ntawm nws Cov Menyuam Yaus Ib Leeg.

Lub ntsej muag tsom xam ntiv nplhaib muaj nyob rau lub lens txuas nrog lub nrug qhov sib luag rau cov kws yees duab uas nyiam tsom zoo li hauv cov hnub qub. Lub optic hnyav 950 grams / 33.5 ooj, thaum ntsuas 90.7mm inch thiab 129.8mm ntev.

Nws tau tshaj tawm tias Sigma 20mm f / 1.4 DG HSM Art lens yuav dhau los muaj thaum lub Kaum Ib Hlis rau Canon, Nikon, thiab Sigma puv thawm cov koob yees duab rau tus nqi ntawm $ 899.