Sigma 50-100mm f / 1.8 DC HSM Art lens chithunzi ndi zomasulira zinawululidwa

Sigma ndi umodzi woti alengeze zinthu ziwiri zatsopano, zomwe ma specs awo ndi zithunzi zangotulutsidwa kumene. Ndi ma 50-100mm f / 1.8 Art ndi 30mm f / 1.4 magalasi amakono ndipo akubwera posachedwa.

Wopanga mandala wachitatu wokondedwa wa aliyense akukonzekera kuwulula optics awiri atsopano. Mphekesera zafalikira pa intaneti, koma palibe amene wakwanitsa kufotokoza mwatsatanetsatane za mitundu yomwe ikubwera.

Titha kusiya chilichonse kumbuyo kwathu tsopano, popeza magwero odalirika adangowatulutsa ndipo, ngakhale zonsezi zikumveka ngati zabwino, wina adzaba zowala zonse. Pamodzi ndi 30mm f / 1.4 DN Contemporary version, Sigma ipanga 50-100mm f / 1.8 DC HSM Art lens.

Sigma 50-100mm f / 1.8 DC HSM Art lens imawonekera pa intaneti asanalengezedwe

Mzere wonse wa Art Sigma ndiwopatsa malire. Chosiyana ndi cha 24-105mm f / 4 unit, chomwe sichidalandiridwe bwino ndi ojambula. Komabe, lingaliroli likuyima ndipo anthu ambiri akuyembekezera mwachidwi kuti kampaniyo ipange zinthu zatsopano.

Nthawi ino, ikhala yayikulu ndipo aliyense azikambirana. Chogulitsachi ndi Sigma 50-100mm f / 1.8 DC HSM Art lens ndipo imapangidwira makamera a DSLR okhala ndi masensa azithunzi a APS-C.

Idzatulutsidwa ku Canon, Nikon, ndi Sigma mounts, ngakhale itha kupezeka ndi makamera a Sony A-mount. Optic iyi ipereka kutalika kwa 35mm kofanana ndi 75-150mm.

Awa ndi mandala a Sigma 50-100mm f / 1.8 DC HSM Art.

Kuyambira pomwe mandala a 18-35mm f / 1.8 Art adatulukira, anthu anali atakweza ziyembekezo zawo kuchokera ku Sigma. Optic yokhala ndi mawonekedwe otseguka a f / 1.8 mkati mwa 50-100mm makulitsidwe amakwaniritsa zofuna zawo.

Optic idzakhala ndi zinthu 21 m'magulu a 15 okhala ndi zinthu zitatu za FLD ndi chinthu chimodzi cha SLD pakati pa ena. Idzakhala ndi mtunda wocheperako wa masentimita 95 ndi kabowo kozungulira ka masamba 9.

Galimoto yopanga idzakhala yatsopano ndipo ikupatsirani bata komanso kulunjika mwachangu. Malinga ndi leakster, mandala amabwera ndi mawonekedwe amkati komanso mawonekedwe amkati, kutanthauza kuti mawonekedwe am'mbali samazungulika mukamayang'ana, pomwe kutalika kwa mandala sikukulira mukamayandikira.

Sigma 50-100mm f / 1.8 DC HSM Art lens izayeza 93.5mm m'mimba mwake ndi 170.7mm m'litali. Chingwe chake chazosefera chimakhala chachikulu pa 82mm ndipo kutalika kwake konse kumakhala magalamu a 1.490. Idzatulutsidwa pamsika mozungulira Epulo 22 pamtengo wozungulira $ 1,500.

Sigma 30mm f / 1.4 DN mandala amakono akubwera posachedwa kwa makamera opanda magalasi

Lens yachiwiri ndiyabwino kwambiri papepala ndipo pamapeto pake idzachotsa f / 2.8 kabowo kamene kali mu mzere wopanda magalasi wa Sigma. Optics 19mm, 30mm, ndi 60mm onse ali ndi f / 2.8 kutsegula kwambiri.

Kusinthaku kumakhala ndi 30mm f / 1.4 DN Contemporary lens. Ngakhale kutalika kwake kudawonedwapo kale, kuwala kwake kudzalandiridwa ndi ogwiritsa ntchito makamera opanda magalasi. Wopanga waku Japan atulutsa optic iyi ya Sony E-mount ndi mayunitsi a Micro Four Thirds.

Sigma 30mm f / 1.4 DN mandala amakono akuti atulutsidwa mu Marichi.

Source akuwonetsa kuti chamawonedwe chidzakhala ndi zinthu zisanu ndi zinayi m'magulu asanu ndi awiri okhala ndi kabowo kokhala ndi masamba 9. Kuyendetsa kwa AF ndi gawo loyenda ndipo mtunda woyang'ana kwambiri ndi masentimita 30.

Optic iyi imakhalanso ndi mawonekedwe amkati, koma ulusi wake wa fyuluta umakhala wa 52mm. Sigma 30mm f / 1.4 DN mandala amakono amakhala ndi kutalika kwa 73.3mm ndi m'mimba mwake mwa 64.8mm. Ojambula adzasangalala kumva kuti mankhwalawa ndi opepuka, chifukwa amangolemera magalamu 265 okha.

Zomwe zilipo zikunena kuti mandala azipezeka pafupifupi pa Marichi 18 pafupifupi $ 450.