Sigma yakatanga yayo yekutanga 120-300mm f / 2.8 lens

Maererano ne Sigma, iyo 120-300mm f / 2.8 DG OS HSM super-telephoto zoom lens ndiyo yekutanga Sports line lens iyo iri trans-focal uye inopa yakajairika yakakwira kuzarura panguva imwe chete. Zvakare, firmware yayo ndeye mushandisi-inogadziriswa kuburikidza neiyo USB Dock.

The chinogara f / 2.8 aperture inoshandura ichimhanya nekukurumidza kumhanya, saka zviri nani kutora zvinhu zvinomhanya zvinokurumidza, pane chero kureba kwakatarisana. Sigma yakavaka lens nyowani yekununura mashandiro emagetsi uye kuti ive inoenderana. Iyo yekukurumidza kuvhura ichave ichiwanikwa mune yese zoom renji, saka zvemitambo vafotori vanonyatso kukoshesa iyi optic.

Kunze kwe 120-300mm kureba kwakatarisana, inozivisa zvakare mukana wekuimisa kuburikidza nesoftware yakapihwa. Zvinotora kushandisa kwe "USB DOCK”Zvemichina. Nekushandisa yakakosha software (Sigma Optimization Pro), mutori wemifananidzo anokwanisa chinja iyo lens's firmware marongero ekugadzirisa zvirinani. Izvi zvinoreva kuti Sigma 120-300mm f / 2.8 DG OS HSM inogona kuva yakachinjika kune zvinodiwa nemutorwa mifananidzo.

Iyo Sigma 120-300mm f / 2.8 DG OS HSM lens ndiyo yekutanga modhi yekambani nyowani Sports line-up.

Iyo lens inosanganisira maviri eFLD ("F" Low Kupararira) girazi zvinhu zvinounza maitikiro akaenzana ne fluorite. Imwe SLD (Yakaderera Kupararira) girazi chinhu chinobhadharisa zvingangodaro kubviswa kwemavara. Iyo ine zvemukati zoom uye inotarisa, nekudaro lens haina kumbochinja kukura kwayo uye kumberi lens element haina kutenderera. Chero mhando yefaera inogona kunamirwa pairi, sezvo iyo kumberi chikamu che lens chakagadziriswa.

Sigma 120-300mm f / 2.8 DG OS HSM yakavakirwa kuti igare, ichipa guruva-chiratidzo uye kupwanya humbowo zvikamu pese paine majoini, akadai seakakosheswa mugomo, chindori chemanyorerwo, mhete yekuswededza, kana switch.

Kutenda kune yayo HSM (Hyper Sonic Motor) kusangana, iyo lens inonunura high speed, Akanyarara uye chaiyo AF (Auto Tarisa). Zvimwe zvakakura kutaurwa ndiwo mapfumbamwe mashizha denderedzwa-diaphragm kana ndarira yakaitwa bayonet kukwira.

Iyi super-telephoto zoom lens inotakura iyo DG kudomwa, zvinoreva kuti inogona kuvhara yakazara-furemu yemifananidzo sensors. Zvakadaro, ichaenderana nemamwe APS-C DSLRs uye ichapa 35mm yakatarisa kureba yakaenzana ne180-450mm.

Sigma 120-300mm f / 2.8 DG OS HSM inowanikwa pamutengo wepamberi-odhora we $ 3,599 yeCanon, Sigma, uye Nikon DSLR kamera.