Canon EF 200-400mm f / 4L NDI USM Extender 1.4x pomaliza yovomerezeka

Canon EF 200-400mm f / 4L IS USM Extender 1.4x mandala yalengezedweratu, zaka zopitilira ziwiri kuchokera pakuwonetsedwa koyamba kovomerezeka.

Canon yakhala ikuseka mandala a EF 200-400mm f / 4L IS USM Extender 1.4x kwakanthawi. Kuwonekera kwake koyamba kwachitika kumayambiriro kwa chaka cha 2011, ndikupangitsa mphekesera kunena kuti mandala adzamasulidwa kumapeto kwa 2011.

Komabe, 2012 idabwera mwachangu ndipo zimawoneka ngati kampani yochokera ku Japan itulutsa izi. Zodabwitsa, kudabwitsidwa, popeza optic sinatulutsidwe chaka chatha. Chifukwa chake tili pano, pafupifupi mkatikati mwa 2013, ndi Canon EF 200-400mm f / 4L IS USM Extender 1.4x lens yomwe ilipo kuti muyitanitsidwe, pamapeto pake.

Canon EF 200-400mm f / 4L NDI USM Extender 1.4x mandala atsiriza pano. Imakhala ndi 1.4x teleconverter yomangidwa, yotenga mawonekedwe mpaka 280-560mm f / 5.6 Imakulungidwa paketi yosindikiza nyengo ndi 4-stop IS ndi Power Focus.

Canon EF 200-400mm f / 4L NDI USM Extender tsiku la kutulutsa mandala a 1.4x ndi mtengo womwe walengezedwa mwalamulo

Ofufuza samayembekezera kuti mandala awa agulitsidwa m'mayunitsi ambiri, koma izi sizili chifukwa chosowa kwake. Kwenikweni, kuthekera kwake komwe amakhala nako ndizoposa zomwe ojambula ambiri angakwanitse ndipo mandala omwewo amapangidwira akatswiri ojambula, omwe ali ndi chidwi ndi nyama zamtchire komanso kujambula zamasewera.

Canon EF 200-400mm f / 4L ISM USM Extender 1.4x tsiku lotulutsa mandala lakonzedwa kumapeto kwa Meyi, mwina Meyi 29. Magalasiwo azipezeka pamtengo wogulitsanso $ 11,799.

Canon EF 200-400mm f / 4L IS USM ndiye mandala oyamba kupereka ophatikizika a 1.4x teleconverter

Izi zipangitsa anthu ambiri kudabwa za mndandanda wazinthu, koma konzekerani kudabwa. Magalasi amadzaza ndi 1.4x extender, kutanthauza kuti 200-400mm f / 4 imatha kudzisandutsa mandala okhala ndi 280-560mm f / 5.6.

Magalasiwa amatengera kapangidwe kazitsulo za magnesium, zokutira bwino komanso kusindikiza nyengo.

Optic yotsekedwa ndi nyengo imapereka magwiridwe antchito m'malo onse ndi mikhalidwe, chifukwa cha zinthu zake za Ultra-Low Disersion (UD). Cholinga chake ndikuchepetsa kusintha kwa chromatic ndikuwonongeka kwamitundu.

Kuphatikiza apo, SubWavelength Structure Coating ndi Super Spectra Coating ichepetsa moto ndikuwukitsa. Sizokayikitsa kuti makasitomala azikumbukira mayina onse apamwamba, koma adzayamikiradi mtundu wazotsatira.

Ojambula masewera amasangalala! Tekinoloje yatsopano ya IS ndiyabwino popanikiza

Canon adaonjezeranso kuti mandala amatha kusungabe kutseguka komweko pamagawo onse akutali. Izi ndizothandiza mukamajambula zithunzi mumalo ocheperako mwachangu chothamanga kwambiri.

Ojambula masewera ndi nyama zakutchire adzapindulanso ndiukadaulo wa 4-stop Optical Image Stabilizer.

Kampaniyo yati njira yokhazikitsira zithunzizi ndiyatsopano ndipo ipatsa mwayi ojambula kujambula zithunzi zosawoneka bwino.

Kuphatikiza apo, chomwe chimatchedwa IS Mode 3 chitha kugwiritsidwa ntchito kukhazika kuwombera kokha panthawi yowonekera, yomwe imayimira chinthu chofunikira kwambiri pakupanikizika.

Mapulogalamu apamwamba omwe amayang'ana makamera apamwamba komanso ojambula ojambula

Canon imalengeza ngati mandala apamwamba okhala ndi zopereka zoyambirira kwa akatswiri ojambula ndi makamera. Ogwiritsa ntchito makamera a 1D C ndi 1D X adzagwiritsanso ntchito njira ya Power Focus, yomwe ingagwiritsidwe ntchito kujambula makanema.

Power Focus imapereka zotsatira zokoka mukamajambula makanema. Ojambula makanema amafunika kupotoza mpheteyo, kenako kuyima patali.

Pazonse, Canon akuti mandalawo ndi olandiridwa bwino pazida za wojambula zithunzi aliyense. Amazon yayamba kale kutulutsa mandala oyitanitsiratu ndipo akuti tsiku lomasulidwa ndi June 30 (osati Meyi, monga Canon) pamtengo wa $ 11,799.