Sigma 20mm f / 1.4 DG HSM Art lens imakhala yovomerezeka

Sigma yalengeza mandala oyamba padziko lonse lapansi a 20mm okhala ndi f / 1.4. Monga mphekesera zidaneneratu, 20mm f / 1.4 DG HSM prime idzawonjezeredwa pamndandanda wapamwamba wa Art kumapeto kwa chaka chino.

Pakati pa 2015, Sigma adawulula fayilo ya 24-35mm f / 2 DG HSM Luso ndipo adati ojambula ayenera kuyembekezera zabwino zina mtsogolo. Omwe adalowa mkati adati optiki imodzi yatsopano izikhala yogwira kugwa ndipo nazi: 20mm f / 1.4 DG HSM Art.

Monga mwachizolowezi, sitidabwa ndi kuti Sigma product ndiye woyamba wa makampani opanga zithunzi zadijito. Makina a 20mm f / 1.4 DG HSM Art omwe atsegulidwa kumene ndiye malo oyamba padziko lonse lapansi okhala ndi makamera athunthu okhala ndi f / 1.4, yomwe ingakhale yothandiza m'malo ochepa.

Sigma 20mm f / 1.4 DG HSM Art lens imakhala yoyamba 20mm optic padziko lapansi yokhala ndi f / 1.4 kutsegula

Makamera a digito ali ndi ma megapixels ambiri. Kuti agwiritse ntchito mphamvu zawo zonse, opanga ma lens akuyeneranso kupereka ma optics apamwamba. Kampani yomwe nthawi zambiri imapereka ndi Sigma ndipo kapangidwe kake ndi 20mm f / 1.4 DG HSM Art.

Wopanga waku Japan amayenera kupanga china chake chomwe chikufanana ndi zomwe ogwiritsa ntchito akufuna, ndiye nayi lens yoyambirira yathunthu padziko lonse lapansi yokhala ndi utali wa 20mm ndi malo okwanira owala ngati f / 1.4

Sigma 20mm f / 1.4 DG HSM Art lens idzakhala yabwino pakuwombera kotsika chifukwa chotsegula bwino kwambiri.

Malinga ndi zomwe atolankhani atulutsa, mandala a Sigma 20mm f / 1.4 DG HSM Art amapereka ziwonetsero zabwino kwambiri pankhani yazithunzi, kujambula m'nyumba, nyenyezi zakuthambo, ndi zithunzi.

Chogulitsidwacho chapangidwa kuti chitenge zithunzi zopanda zosokonekera, chifukwa cha zinthu zamagalasi za aspherical, komanso kuti muchepetse mzimu komanso kuwotcha, chovomerezeka ndi Super Multi-Layer Coating.

Ogwiritsa ntchito Canon, Nikon, ndi Sigma DSLR kuti athe kugwiritsa ntchito mankhwalawa chaka chino

Sigma 20mm f / 1.4 DG HSM Art lens yakhazikitsidwa ndi kapangidwe kamene kali ndi zinthu 15 m'magulu 11. Kusintha kwamkati kumaphatikizira F Low Disersion (FLD) komanso zinthu zapadera za Special Low Disersion (SLD) limodzi ndi kutsegula kwa masamba 9.

Ma chart a MTF a Sigma 20mm f / 1.4 DG HSM Art lens.

Chogulitsachi chimagwiritsa ntchito Hyper Sonic Motor yomwe imati imapereka autofocusing mwachangu, mwakachetechete, komanso yosalala. Imabwera yodzaza ndi mbiya yopangidwa ndi Thermally Stable Composite, motero ndi cholimba cholimba, monganso abale ake onse a Art-series.

Mphete yowunikira pamanja imapezeka pamagalasi pambali pamiyeso ya ojambula omwe amakonda kuyang'ana monga m'masiku akale. Optic imalemera magalamu 950 / 33.5 ounces, poyesa 90.7mm m'mimba mwake ndi 129.8mm m'litali.

Zatsimikizika kuti Sigma 20mm f / 1.4 DG HSM Art lens ipezeka kuyambira Novembala kwa Canon, Nikon, ndi Sigma makamera athunthu pamtengo wa $ 899.