I-Sigma 50-100mm f / 1.8 DC HSM Art lens lens kanye nama-specs avuza

I-Sigma ingenye yezinga lokumemezela imikhiqizo emibili emisha, ama-specs nezithombe zayo ezisanda kudalulwa. Bangama-lens angu-50-100mm f / 1.8 Art no-30mm f / 1.4 ama-Contemporary lens futhi ayeza maduze.

Umkhiqizi wamalensi ovela eceleni wakhe wonke umuntu ulungiselela ukwembula ama-optics amabili amasha. Amahemuhemu asatshalaliswe kuwebhu, kepha akekho noyedwa okwazile ukukhomba imininingwane ngqo maqondana namamodeli azayo.

Singakubeka konke ngemuva kwethu manje, njengoba imithombo ethembekile isanda kuyiveza futhi, ngenkathi yomibili izwakala njengemikhiqizo emihle, ngokuqinisekile umuntu uzokweba zonke izinto ezikhanyayo. Eceleni kwe-30mm f / 1.4 DN Contemporary version, iSigma izokwethula ilensi yobuciko engu-50-100mm f / 1.8 DC HSM.

I-Sigma 50-100mm f / 1.8 DC HSM Art lens ibonakala kuwebhu ngaphambi kokumenyezelwa okusemthethweni

Umugqa wonke wobuciko kaSigma umxhwele umngcele. Okuhlukile kungaba yiyunithi engu-24-105mm f / 4, engamukelwanga kahle abathwebuli bezithombe. Noma kunjalo, umbono umi futhi abantu abaningi balinde ngokulangazelela inkampani ukuthi ize nezinto ezintsha.

Okwamanje, kuzoba kukhulu futhi wonke umuntu uzobe ekhuluma ngakho. Umkhiqizo uyi-lens ye-Sigma 50-100mm f / 1.8 DC HSM Art futhi yenzelwe amakhamera we-DSLR anezinzwa zesithombe ezilingana ne-APS-C.

Izokhishwa eCanon, Nikon, naseSigma mounts, yize ingatholakalela amakhamera we-Sony A-mount nawo. Lo optic uzohlinzeka ngokulingana okuyi-35mm ubude obulingana no-75-150mm.

Le yilensi yobuciko ye-Sigma 50-100mm f / 1.8 DC HSM Art.

Selokhu kwaphuma ilensi yobuciko engu-18-35mm f / 1.8, abantu babekhuphule kakhulu abakulindele kwaSigma. I-optic enokuvula okuphelele okungapheli kwe-f / 1.8 kulo lonke uhla lokusondeza lwama-50-100mm ngokuqinisekile kuzohlangabezana nezidingo zazo.

I-optic izoba nezinto ezingama-21 emaqenjini ayi-15 anezakhi ezintathu ze-FLD nento eyodwa ye-SLD phakathi kokunye. Izokuba nebanga elincane lokugxila lamasentimitha angama-95 kanye nokuvulwa kwesiyingi okungama-9-blade.

Imoto ye-ultrasonic izoba entsha futhi izohlinzeka ngokuthula okuthe xaxa futhi kusheshe kugxilwe. Ngokusho kwe-leakster, i-lens iza nezindlela zokugxila ngaphakathi nezangaphakathi, okusho ukuthi i-lens yangaphambili ayizungezi lapho igxila, kanti ubude belensi abukhuphuki lapho usondeza.

I-Sigma 50-100mm f / 1.8 DC HSM Art lens izolinganisa i-93.5mm ubukhulu ne-170.7mm ubude. Intambo yayo yokuhlunga izolinganiswa ngo-82mm kanti ubude bayo bube ngu-1.490 amagremu. Izokhishwa emakethe cishe ngo-Ephreli 22 ngentengo ezungeze u- $ 1,500.

I-Sigma 30mm f / 1.4 DN ilensi yesimanje iyeza maduze ngamakhamera angenazibuko

Ilensi yesibili nayo inhle kakhulu ephepheni futhi ekugcineni izosusa ukuvula kwe-f / 2.8 okutholakala kulayini kaSirma ongenazibuko. I-19mm, 30mm, ne-60mm optics konke kunokuvuleka okuphezulu kwe-f / 2.8.

Ushintsho luqukethe i-30mm f / 1.4 DN Contemporary lens. Ngenkathi ubude bayo bokugxila babonwa ngaphambili, ukukhanya kwayo kuzokwamukelwa abasebenzisi bekhamera abangenazibuko. Umkhiqizi waseJapan uzokhipha le optic yezingxenye zeSony E-mount neMicro Four Thirds.

I-Sigma 30mm f / 1.4 DN lens Contemporary kuthiwa izokhishwa kulo Mashi.

Imithombo ibika ukuthi i-optic izoba nezinto eziyisishiyagalolunye emaqenjini ayisikhombisa enembobo eyindilinga enamakhanda ayi-9. Idrayivu ye-AF iyimoto yokunyathela futhi ibanga lokugxila okungenani ngamasentimitha angama-30.

Le optic ibuye ibe nesistimu yokugxila ngaphakathi, kepha intambo yayo yokuhlunga ilinganisa ama-52mm. I-Sigma 30mm f / 1.4 DN lens Contemporary inobude obungu-73.3mm nobubanzi obungu-64.8mm. Abathwebuli bezithombe bazokujabulela ukuzwa ukuthi lo mkhiqizo ulula, njengoba unesisindo esingu-265 gram kuphela.

Imininingwane yokutholakala kwayo ithi ilensi izotholakala cishe ngoMashi 18 cishe ngama- $ 450.