Canon EF-M 50-300mm f / 4.5-5.6 KA STM oghere patent leaked

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Canon emewo patented ihe na-akpali oghere maka EOS M-usoro mirrorless ese foto. Ngwaahịa mejupụtara EF-M 50-300mm f / 4.5-5.6 lens nwere mbugharị na ihe ngwa anya dị iche iche.

Enwere ọtụtụ anya m patented kemgbe mmalite nke afọ 2016. Enwere ohere mgbe niile maka ndị ọzọ na, ọzọ, Canon bụ ụlọ ọrụ na ntụpọ. The Japanese emeputa ka patented a vasatail mbugharị lens maka mirrorless ese foto ndị ọrụ.

Ọ bụrụ na ihe niile na-aga nke ọma, mgbe ahụ ndị nwe EOS M ga-enwe ike itinye aka ha na Canon EF-M 50-300mm f / 4.5-5.6 DO STM lens na oge ụfọdụ n'ọdịnihu. Ka o sina dị, ọ na-egosi na ụdị optic ahụ enwekwara ikike maka igwefoto EF-S-Mount DSLR.

Canon EF-M 50-300mm f / 4.5-5.6 DO STM lens patent gosipụtara online

Igwe asịrị ahụ emeela ọtụtụ nkwa banyere usoro enweghị atụ nke Canon. Anyị na-atụ anya ịhụ anya m ọhụụ na njedebe nke afọ 2016 yana igwefoto na-enweghị enyo ọhụụ, nke ahụ nwere ike ọ ga-anọchi EOS M3, dị ka EOS M10 ga-anọgide na-abụ ihe njedebe dị ala. Tụkwasị na nke a, onye na-agba ọsọ kachasị elu ga-egosi oge ụfọdụ na 2017 ma ọ nwere ike ịnwe ihe mmetụta ihe oyiyi zuru ezu.

Otu nke anya m nwere ike ịbụ Canon EF-M 50-300mm f / 4.5-5.6 DO STM lens, nke patenti ya na Japan. Ntinye akwụkwọ ahụ na-ekwu na a na-emepụta optic iji rụọ ọrụ na MILC na-egosipụta APS-C-size sensọ.

canon-ef-m-50-300mm-f4.5-5.6-do-stm-lens-patent Canon EF-M 50-300mm f / 4.5-5.6 DO STM lens patent leaked Asịrị

Canon EF-M 50-300mm f / 4.5-5.6 DO STM lens ga-enye 35mm nke ihe dịka 75-450mm.

Onu ogugu kachasi elu ya di n'etiti f / 4.5 na f / 5.6, dabere na ogologo onye oru ahọrọ. Ihe nlebara anya ga - enwe steepụ steepụ (STM), nke ga - enye gị ezigbo nsogbu.

Ikekwe akụkụ kachasị adọrọ mmasị nke ngwaahịa a bụ ngwa anya na-agbanwe agbanwe. DO technology adịwo kemgbe ọtụtụ afọ, mana ọ bụ naanị anya Canon ole na ole nwere ya.

Dị ka mgbe niile, ihe omume DO ga-eme ka nhazi nke oghere dị mfe. A ga - enwe ihe ole na ole na mkpokọta, mana ogo ihe oyiyi ga - emewanyewanye ka ọ dị mma, ebe ọ bụ na a na - eme ka aberration chromatic belata.

Ọzọkwa, nke a pụtara na oghere ga-adị ntakịrị yana ọkụ karịa ngwa anya igwe. O di nwute, enwere uzo: teknụzụ dị oke ọnụ. Nke a bụ ma eleghị anya isi ihe kpatara na ọtụtụ azụmaahịa-enwere Canon lenses nwere ihe mmewere.

Ihe dị mma bụ na oge gafere na teknụzụ ga-adị ọnụ ala. N'ihi ya, ọ bụghị ihe ezi uche dị na ya ịtụ anya na ihe ndị ọzọ na-eme ka ihe nkiri maka ihe igwefoto na-enweghị atụ, ebe ịdị arọ na nha dị mkpa, ga-ebupụta n'ọdịnihu.

Anyị ga-eme ka ị mara na otu oghere ahụ abanyela na EF-S. Ọ ga-abụ ihe ijuanya ịhụ Canon iwebata ngwaahịa a na nsụgharị abụọ, mana ewepụla ya na ndepụta nke ohere.

Agbanyeghị, optics ka ha patent ha gbara akwụkwọ na Septemba 9, 2014, ebe enyere ikike na Eprel 21, 2016. Nọrọ na-ege ntị na Camyx n'ihi na anyị ga-eme ka ị mara ozugbo nkọwa ndị ọzọ gbasara ngwaahịa a gosipụtara na weebụ.

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