Canon EF 70-300mm f / 4.5-5.6 DO lamban lasisin lasisi yana nunawa a Japan

Canon ya mallaki wasu sabbin ruwan tabarau biyu a Japan, daya tare da zangon zangon dari na 100-400mm dayan kuma yana da zangon 70-300mm, amma duka biyun suna da nau'ikan kayan gani.

An fara “shekarar tabarau” a Canon tare da ƙaddamar da EF 16-35mm f / 4L NE USM da kuma EF-S 10-18mm f / 4.5.5-6 IS STM samfura a tsakiyar Mayu.

Gidan jita-jita yana da'awar cewa za a bayyana ƙarin ruwan tabarau a ƙarshen 2014, gami da zuƙowa mai faɗi tare da buɗe f / 2.8 da maye gurbin EF 100-400mm f / 4.5-5.6L IS.

A halin yanzu, kamfanin ya mallaki sabbin samfura biyu a Japan kuma ɗayansu na iya zama magajin sigar 100-400mm.

Sabon ruwan tabarau guda biyu sune Canon EF 100-400mm f / 4.5-5.6 DO da Canon EF 70-300mm f / 4.5-5.6 DO.

Canon EF 70-300mm f / 4.5-5.6 DO da EF 100-400mm f / 4.5-5.6 DO ruwan tabarau da aka mallaka a Japan

Patent na Canon EF 70-300mm f / 4.5-5.6 DO ruwan tabarau. Har yanzu ana samun nau'ikan wannan ruwan tabarau a kasuwa, amma ya bayyana cewa ƙarshe kamfanin ya yanke shawarar maye gurbin wannan ƙirar.

An yi jita-jita don sakin sabon gani 100-400mm na dogon lokaci. Yawancin batutuwan da aka gano a cikin waɗannan jita-jita, amma akwai sarari don wani.

Wannan sigar ta kunshi abubuwa 17 da suka kasu kashi goma a cikin rukunoni 11 tare da sinadarin fluorite da kuma wani abu mai rarrabuwa.

Canon EF 70-300mm f / 4.5-5.6 DO ruwan tabarau yana ba da kwatankwacin daidaitawa tare da abubuwa 17 a cikin rukuni 11 da kuma haske da abubuwa masu gani iri-iri.

Menene abu mai mahimmanci na gani?

Canon ya kwashe shekaru da yawa yana amfani da kayan gani masu ban sha'awa a cikin wasu tabarau. Fasahar DO ta bawa kamfanin damar yin ruwan tabarau masu inganci yayin kiyaye nauyi da girma.

Ana yin abubuwa masu rarrabuwar abubuwa da yawa ta hanyar ƙara launuka masu rarrabawa zuwa abubuwan ruwan tabarau. Wannan hanyar, ruwan tabarau ya zama ƙarami da haske, yayin da kuma ke haɓaka ƙimar hoto.

Inara inganci yana zuwa ne daga gaskiyar cewa abubuwan DO ba sa watsa haske, kamar ƙirar al'ada. Lokacin da haske ya watse a cikin tabarau, yana haifar da ɓarna na chromatic. Koyaya, yayin amfani da kyan gani a cikin tabarau, an soke ɓarkewar chromatic, In ji Canon.

Misali na ruwan tabarau na Canon DO

Kamar yadda aka fada a sama, Canon ya fito da ruwan tabarau na DO a kasuwa. Daya daga cikinsu shine Canon EF 70-300mm f / 4.5-5.6 DO IS USM ruwan tabarau wanda ya kasance kusan shekaru goma.

Sabuwar hanyar haƙƙin mallaka tana ba da shawarar cewa maye gurbin wannan ƙirarriyar yana kan hanyarsa. Zamanin yanzu har yanzu ana samunsa a Amazon na kimanin $ 1,400, wanda ya kasance kyakkyawan ciniki idan aka la'akari da gaskiyar cewa an saita farashin ƙaddamar da wannan ƙirar a $ 2,300.

Har yanzu, babu ranar fitarwa, amma ana iya yin sanarwa wani lokacin wannan bazarar, don haka ɗauki wannan tare da ɗan gishiri a yanzu.