Lense ea Canon 400mm f / 2.8 e nang le 1.4x extender e kentsoeng ka molao

Canon e na le lense e ncha e nang le tokelo ea molao e fanang ka bolelele bo sa lekanyetsoang ba 400mm, palo e phahameng ea f / 2.8, le extender e hahelletsoeng e eketsang bolelele ba 1.4x.

Ha re ntse re atamela Photokina 2014, ho na le tšabo ea hore lik'hamphani li ke ke tsa etsa liphatlalatso tse ngata likhoeling tse latelang.

Baetsi ba lik'hamera tsa dijithale le lilense ba ka emela ketsahalo eo ho bonts'a lintho tsa bona tsa morao-rao. Hore na sena se fetoha 'nete kapa che, lik'hamphani li tla lula li etsa litokelo tsa lihlahisoa tsa tsona.

Canon e sebelitse haholo lefapheng lena haufinyane. Lekhetlo la ho qetela ha re bua ka patent ea Canon, e ne e kenyelletsa mofuta oa 400mm f / 4 IS DO. Joale, re boetse re shebile lense ea 400mm, empa e nang le pente e khanyang ea f / 2.8.

Lense ea Canon 400mm f / 2.8 e patenteng Japane e nang le 1.4x extender e kopaneng

Ena ke lense ea Canon EF 200-400mm f / 4L IS USM e nang le 1.4x extender e hahelletsoeng. Khamphani e na le patsi ea lense e ncha e nang le 1.4x extender e kopaneng, leha mofuta o mocha o bapala bolelele ba 400mm le lesoba la f / 2.8.

Patente ea lense ea Canon 400mm f / 2.8 e tla ka ntho e makatsang. Lense ena e na le extender e hahelletsoeng ka hare ho 1.4x, e ts'oanang le e fumanoang lenseng ea EF 200-400mm f / 4L IS USM, e ileng ea hlahisoa ka Mots'eanong 2013.

EF 200-400mm f / 4L IS USM ho thoe ke optic ea pele e tlang ho tlala sephutheloana sa 1.4x se kopaneng. Ha e sebelisoa, e tla fana ka bolelele ba 280-560mm ka theko ea f-stop e le 'ngoe, ho bolelang hore palo e kaholimo-limo e tla ema ho f / 5.6.

Haeba Canon e sebelisa sistimi e ts'oanang, lense ea 400mm f / 2.8 e tla fana ka bolelele ba 560mm le palo e kholo ea f / 4. Beng ba likhamera tsa EOS mohlomong ba tla thaba haholo ho utloa sena, empa ho fana ka tokelo ea patenteng ha ho tiise hore e tla lokolloa 'marakeng.

Amazon hajoale e rekisa lense ea Canon EF 200-400mm f / 4L IS USM e nang le 1.4x extender e hahelletsoeng theko e ka bang $ 11,800.

Canon e lula e sebelisa lilense tsa patent tse nang le bolelele ba 400mm

Joalokaha ho boletsoe kaholimo, Canon e patentse lense e 'ngoe ea 400mm linakong tsa morao tjena. Mofuta ona o tletse palo e phahameng ea f / 4 le theknoloji ea botsitso ea setšoantšo.

Ntle le moo, mofuta oa 400mm f / 4 o kenyelletsa likarolo tsa optics tse arohaneng, ho bolelang hore boleng ba setšoantšo bo tla ntlafatsoa, ​​ha boima ba eona le boholo ba eona bo tla fokotsoa.

"Selemo sa lilense" tsa Canon se kenyelletsa li-optics tse tharo feela ho fihlela joale: EF 16-35mm f / 4L IS USM, EF-S 10-18mm f / 4.5-5.6 IS STM, le EF-M 55-200mm f / 4.5-6.3 KE STM.

Leha ho le joalo, ho lebelletsoe mefuta e meng ho Photokina 2014, ka hona, lula u shebelletse sebaka sa rona sa marang-rang!