Canon EF 600mm f / 4 DO ʻO USM aniani ke hoʻomohala ʻia

Ua kālele ʻo Canon i kahi aniani 600-super telephoto prime lens me kahi puka kiʻekiʻe o f / 4 a me kahi mea optr diffractive (DO) i kūkulu ʻia e hoʻoliʻiliʻi i kona nui me ka hoʻonui ʻana i ka maikaʻi o ke kiʻi.

ʻO Diffractive Optics kahi ʻenehana kūikawā i hoʻomohala ʻia e Canon kahi e hoʻohui nei i kahi mea optic diffractive i loko o kahi aniani. Kāhea aku kēia mea multi-layer i kahi hoʻolālā kūloko maʻalahi e alakaʻi ana i nā aniani liʻiliʻi ʻoiai e hāpai ana i ke ʻano o ke kiʻi.

Ma waena o nā aniani me kahi DOE i kūkulu ʻia, hiki iā mākou ke loaʻa ka EF 400mm f / 4 DO USM II, i hōʻike ʻia i ka hanana Photokina 2014. Ke hana nei ka ʻoihana ma nā huahana ʻē aʻe me kēia ʻenehana a ʻo ka EF-mount 600mm f / 4 DO IS USM kekahi o lākou.

ʻO ka hoʻolālā kūloko o ke aniani Canon EF 600mm f / 4 DO IS USM.

Palapala Sila no Canon EF 600mm f / 4 DO IS USM maka aniani hōʻike i ka pūnaewele

Ke hana nei ʻo Canon i kahi aniani hou me ka ʻenehana Diffractive Optics i hoʻohui ʻia. Ua wehe nā kumuwaiwai i Iapana i kahi palapala hoʻoiho no ka EF-mauna 600mm super-telephoto prime lens me kahi puka kiʻekiʻe o f / 4 i loaʻa kahi mea DO i kūkulu ʻia.

Eia kekahi, hele mai ka optic me ke ʻenehana hoʻokūmau kiʻi, kokoke i kēlā me kēia manawa he mea e pono ai ke kiʻi a me nā kiʻi holoholona a he mea kōkua ia i nā ʻano māmā haʻahaʻa.

Hoʻohana pū kekahi me kahi aniani i kahi Motor Ultrasonic, ʻo ia hoʻi ka maʻalahi a me ka wikiwiki o ke autofocusing. Hoʻolaha ka ʻonihi Canon EF 600mm f / 4 DO IS USM iā ia iho me he huahana hoʻohiki a e kau ʻia paha ia i nā mea paʻi kiʻi ʻoihana.

Ke kuhikuhi nei kāna kikoʻī i kahi huahana pipiʻi, akā he waiwai paha ia. E ʻike ʻia paha inā e hele ana ka mea hana Kepani i mua me ka papahana i mea e hoʻokuʻu ai i kēia ma ka mākeke.

E ʻoi aku ka liʻiliʻi o ka mākaukau mākaukau ʻoi aku ma mua o ke ana hoʻohālike ʻole DO

Ua waiho ʻia ka palapala noi Sila Nui ma ka lā 28 o Iune, 2013. Ua ʻae ʻia ma Ianuali 19, 2015 a, e like me kāu e ʻike ai, ua liʻuliʻu iki ka hoʻokuʻu ʻia ʻana ma ka pūnaewele.

ʻO ka aniani o Canon EF 600mm f / 4 DO IS USM i ʻōlelo ʻia he 18 mau ʻāpana i hoʻokaʻawale ʻia i nā hui he 12 me kahi mea aspherical, kahi mea DO, a me kahi mea hoʻolahalaha ʻo Ultra-low.

E lōʻihi ka lōʻihi o kēia huahana ma kahi o 398mm a me ke anawaena o ma kahi o 143mm, no laila e lilo ia i aniani nui. Ma kēlā a me kēia ala, e liʻiliʻi ia ma mua o ke k modelkohu o kēia manawa e hele mai nei me ka ʻole o kahi mea DO e ana ana iā 448mm i ka lōʻihi a me 168mm i ke anawaena.

I kēia manawa, loaʻa ke aniani o Canon EF 600mm f / 4L IS USM II ma kahi o $ 11,500 ma Amazon. Hoʻopili me mākou no nā kikoʻī hou aku e pili ana i kahi mana o DO!