Canon 400mm f / 2.8 mandala okhala ndi 1.4x extender yovomerezeka

Canon ili ndi patenti yatsopano yomwe imapereka kutalika kwakutali kwa 400mm, kutsegula kwakukulu kwa f / 2.8, ndi extender yomangidwa yomwe imakulitsa kutalika kwa 1.4x.

Pamene tikuyandikira Photokina 2014, pali mantha kuti makampani sangapange zolengeza zambiri m'miyezi yotsatira.

Opanga makamera a digito ndi mandala amatha kudikirira mwambowu kuti adzawonetse zomwe apanga posachedwa. Kaya izi zikuchitika kapena ayi, makampani adzapitilizabe kupanga zovomerezeka zawo.

Canon wakhala akugwira ntchito bwino mu dipatimentiyi posachedwapa. Nthawi yomaliza yomwe tidalankhula za patent ya Canon, Zimakhudza mtundu wa 400mm f / 4 IS DO. Tsopano, tikuyang'ananso mandala a 400mm, koma omwe amakhala ndi mawonekedwe owala a f / 2.8.

Canon 400mm f / 2.8 mandala ovomerezeka ku Japan okhala ndi 1.4x extender

Iyi ndiye lens ya Canon EF 200-400mm f / 4L IS USM yokhala ndi 1.4x extender yomangidwa. Kampaniyo idapanga mandala atsopano okhala ndi 1.4x extender, ngakhale mtundu watsopanowu umakhala wa 400mm komanso kutsegula kwa f / 2.8.

Canon 400mm f / 2.8 lens patent imabwera ndi chidwi chodabwitsa. Magalasi awa ali ndi extender yomangidwa ya 1.4x, yofanana ndi yomwe imapezeka mu mandala a EF 200-400mm f / 4L IS USM, yomwe idayambitsidwa mu Meyi 2013.

EF 200-400mm f / 4L IS USM akuti ndiye woyamba kupanga akubwera ndi 1.4x extender yophatikizidwa. Pogwiritsidwa ntchito, imapereka kutalika kwa 280-560mm pamtengo umodzi f-stop, kutanthauza kuti kutsegula kwakukulu kudzaima pa f / 5.6.

Ngati Canon imagwiritsa ntchito njira yofananira, ndiye kuti mandala a 400mm f / 2.8 apereka kutalika kwa 560mm komanso kutsegula kwa f / 4. Eni ake amamera a EOS mwina adzasangalala kumva izi, koma kungopanga setifiketi sikungatsimikizire kuti iperekedwa pamsika.

Amazon ikugulitsa Canon EF 200-400mm f / 4L IS USM lens yokhala ndi 1.4x extender yomangidwa mtengo wozungulira $ 11,800.

Canon imapitilizabe kupanga magalasi okhala ndi kutalika kwa 400mm

Monga tafotokozera pamwambapa, Canon idavomerezanso mandala ena a 400mm posachedwa. Mtunduwu umadzaza ndi f / 4 ndiukadaulo wazithunzi.

Kuphatikiza apo, mtundu wa 400mm f / 4 umaphatikizaponso zinthu zosintha zamagetsi, zomwe zikutanthauza kuti mtundu wazithunzi udzasinthidwa, pomwe kulemera kwake ndi kukula kwake kudzachepetsedwa.

"Chaka cha magalasi" a Canon ali ndi ma Optics atatu okha mpaka pano: EF 16-35mm f / 4L IS USM, EF-S 10-18mm f / 4.5-5.6 IS STM, ndi EF-M 55-200mm f / 4.5-6.3 NDI STM.

Komabe, mitundu ina ikuyembekezeka kuwululidwa ku Photokina 2014, chifukwa chake khalani tcheru patsamba lathu!