Sigma 24-70 hli f / 2.8 DG OS HSM Daim duab nrag muag tau txais daim ntawv muaj cai

Sigma tau tshaj tawm txog 24-70 hli lub teeb nrog lub qhov siab tshaj plaws ntawm f / 2.8 thoob plaws lub thau tawm ntau thiab cov duab tsim kho thev naus laus zis, uas yuav tawm rau lub koob yees duab DSLR tag nrho.

Ib qho ntawm lo ntsiab muag nrov tshaj plaws hauv lub ntiaj teb yog 24-70 hli f / 2.8 zoom, raws li nws muab kev ua haujlwm, kev ua kom zoo, thiab cov duab zoo, tsis muaj teeb meem, tsis muaj teeb meem yog tias koj xaiv Canon, Nikon, Sony, lossis lwm lub koob yees duab.

Nikon yog ib qho uas tau yib cov ceg txheem ntseeg nyob rau xyoo 2015 thaum nws tso tawm qhov ntsuas ruaj khov ntawm lub lens no. Tus AF-S Nikkor 24-70 hli f / 2.8E ED VR zoom muaj nyob ntawm kev ua lag luam, thaum Canon thiab lwm tus, suav nrog Sigma, tseem tab tom muag tsuas tsis ruaj khov 24-70 hli f / 2.8 hli.

Thaum lub Cuaj Hlis 2015, nws tau hnov ​​txog tias Canon tab tom tsim xws li optic. Nws zoo li Sigma tab tom ua haujlwm rau ib qho, ib yam nkaus, vim tias nws tau raug tshaj tawm tias lub tuam txhab nyuam qhuav tau ua ntawv thov.

Sigma patents ruaj khov 24-70 hli f / 2.8 lens

Cov peev txheej tau pom qhov ua tiav rau tus tswv Sigma 24-70mm f / 2.8 DG OS HSM Daim duab teeb pom kev zoo hauv Nyij Pooj. Daim ntawv thov patent yog piav qhia txog lub lens uas yog ib feem ntawm Art-series thiab tsim los npog tag nrho cov duab thaij duab sensors, yog li DG tsim.

Tus tsim sab hauv ntawm Sigma 24-70mm f / 2.8 DG OS HSM Daim Duab Looj Mem.

Qhov lub koob yees duab zoom no tseem siv tau Hyper Sonic Tsav kom ceev thiab ntsiag to autofocusing. Txawm li cas los xij, qhov kev nyiam tshaj plaws tseem yog lub ntsej muag kho kom pom cov duab kho qhov muag. Nws yuav muab cov kev xav tau kev tswj ntau kom zoo nyob rau hauv qhov chaw qis qis.

Nws yuav sim ua kom nruab nrab lub koob yees duab shakes, kom cov duab yuav tig tawm tsis plooj. Duab zoo yuav tsum nce ntxiv hauv qhov no thiab nws yuav zoo siab pom tias Nikon tus kheej optic yuav muaj qee qhov kev sib tw, ib yam li Canon version tom ntej.

Nikon tab tom muag AF-S Nikkor 24-70 hli f / 2.8E ED VR lens rau kwv yees li $ 2,300, yog li Sigma yuav tsum yog tus nqi pheej yig dua, txawm hais tias nws yuav raug tus nqi zoo-saum $ 1,000 cim.

Cov kws yees duab xav tau tiag tiag Sigma 24-70mm f / 2.8 DG OS HSM Daim Duab Looj Mem

Sigma tau ua daim ntawv thov rau patent rov qab rau Lub Yim Hli 2014, thaum kev pom zoo tau tso cai thaum Lub Peb Hlis 22, 2016. Cov teeb tsa sab hauv tsis tau hais txog, tab sis nws zoo li optic yuav muaj tsawg kawg 15 yam hauv txog 10 pawg.

Txog tam sim no, lub tuam txhab tseem tsis tau lees tias nws yuav tsim cov khoom lag luam zoo li no. Txawm li cas los xij, nws cov neeg sawv cev, suav nrog CEO Kazuto Yamaki, tau lees paub tias qhov no yog ib qho ntawm kev thov feem ntau lo ntsiab muag thiab nws yuav yog qhov ruam uas tsis xav txog qhov kev tso tawm.

Txog thaum ntawd, txhua yam peb muaj qee cov lus xaiv kev hais lus thiab Sigma 24-70 hli f / 2.8 DG OS HSM Daim duab laum patent. Peb yuav saib xyuas zaj dab neeg no kom zoo thiab peb yuav qhia koj paub sai li muaj tej yam tshiab tshwm sim.