Sigma 18-35mm f / 1.8 DC HSM Toi Toi i whakapaihia mo nga APL-C DSLR

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Kua panuihia e Sigma te karaiti 18-35mm f / 1.8 DC HSM Toi, e anga ana ki nga kaamera DSLR APS-C.

Kua ohorere a Sigma i te ao katoa i te panui o te tirohanga whakahiato tuatahi e whakarato ana i te tuwhera o te f / 1.8. I kii te kamupene koinei tetahi o nga wero nui na te kaha o nga ture ahupūngao.

Ko te Sigma 18-35mm F1.8 DC HSM Toi Toi hei karaiti topa tuatahi o te ao me te tuwhera o te f / 1.8

Ko te miihini hangarau Sigma 18-35mm F1.8 DC HSM he mea whakamiharo hangarau, e whakaatu ana i te take i puta ai te whakataetae riri i te ao o nga kaamera auri. Koinei te karaehe topa tuatahi e ahei ana ki te pupuri i taua tuwhera nohopuku katoa puta noa i te rahi o te topa.

Ka kiia e te kaiwhakanao o Iapani he whaainga hurihuri mo nga kaamera DSSR APS-C me nga karaihe whakawhitiwhiti. Ka tohaina he 35mm taurite o 27-52.5mm me te kuaha o te f / 1.8, he mea whakamiharo ano hoki, na te mea ko te nuinga o nga karaahe Canon me Nikon e whakaatu ana i te f / 2.8.

Ko te miharo hangarau a Sigma te mea nui ki te whakamahi i mua o te nekenekehanga

Ka rite ki nga arotahi Sigma katoa, "tenei kauneketanga hangarau" ka hangaia i Japan anake, e kii ana te Perehitini o Sigma Amerika, a Mark Amir-Hamzeh. Ko te wheako o te kamupene me nga karaahe whanui-whanui kua awhina i nga kaipūkaha ki te whakatipu i tetahi karaihe Motuhake Tere Rawa, i hangaia hei whakaheke i nga whara o te whatu, penei i te koretake o te chromatic.

Kia tutuki ai i taua momo tere, kua akiakihia a Sigma kia whakararu. Ko te whatu 18-35mm F1.8 DC HSM Art he tino taumaha, he nui hoki mo tana waahanga, na te mea 1.79 pauna te roa me te mehua 4.76-inihi te roa. Ko te rahi o te diameter i te 3.07-inihi, ko tana miro tatari e 2.83-inihi.

Ko te miihini Sigma 18-35mm F1.8 DC HSM Toi ka hangaia mai i nga waahanga 17 kua wehea ki nga roopu 12, e rima nga waahanga karaihe Super Low dispersing me nga waahanga e wha. Hei taapiri, kei roto i te diaphragm aperture porohita 9-rau a ka tautoko i te Canon EF, Nikon DX, me nga whakaeke Sigma SA.

Kaore he whakapumautanga atahanga, engari he pai ake te autofocus a te Motuka Sonic Hiko

Ko te peera arotahi whakauru he mea hanga mai i nga taputapu Composite Taputapu Thermally Stable, he pai ake i te kirihou.

Ko te miihini whakairoiro whakahiato f / 1.8 a Sigma e whakaatu ana i te whakawhiti AF / MF me te miihini hypersonic pai ake, e aata whakarite ana i te tino noho humarie me te tere o te mahi. Ano hoki, e kii ana te kamupene ka taea te arotahi mai i te tawhiti ki te 11.02-inihi noa iho ko tana kohinga iti rawa ko te f / 16.

Heoi, tera ano tetahi mea kino ka pa ki etahi kaitango whakaahua: kaore te karaohe e whakamahi i nga hangarau hangarau whakaoho ahua.

Te tuku korero me nga korero utu e tatari tonu ana kia whakatauhia

Ko te Sigma 18-35mm F1.8 DC HSM Toi wa tuku, utu, me nga korero waatea kaore ano kia mohiotia mo tenei wa. Ko nga korero taapiri ka whakaatu wawe mai.

Kua whakapumautia e te kamupene he hototahi tana tauranga arotahi USB me tenei whatu hou, ka ahei nga kaitango whakaahua ki te whakahou i te umanga whakamana me te whakarite i nga momo whakaritenga

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