Canon EF 400mm f / 4 DO IS USM II lense e ba semmuso

Canon e keteka lilemo tse 75 tsa boiqapelo bo botle ka ho hlahisa lense ea EF 400mm f / 4 DO IS II USM, lense e bobebe haholo ebile e le komporo ea telephoto, ho Photokina 2014.

Lense ena esale e sebetsoa nako e telele haholo, empa lintho tse ntle li tla ho ba emang. Lense ea Canon EF 400mm f / 4 DO IS USM II e se e le semmuso, ka tumello ea ketsahalo ea Photokina 2014, mme e ts'episa ho fana ka boleng bo holimo ba Optical ka har'a sephutheloana sa compact le lightweight.

Lense ea Canon EF 400mm f / 4 DO IS II USM e senotsoe bakeng sa likh'amera tsa EOS DSLR molemong oa ho fana ka boleng bo holimo ba setšoantšo ha bo bapisoa le ba pele ho eona.

Canon e phatlalatsa lense e ncha e nang le mahlale a fapaneng a optics: EF 400mm f / 4 DO IS USM II

Moloko oa bobeli oa lense ea 400mm f / 4 DO e tla fana ka boleng bo ntlafetseng ba setšoantšo ha e bapisoa le ea pele ho eona. Leha ho le joalo, boholo ba eona bo batla bo ts'oana le ba mofuta oa pele, ka hona basebelisi ha ba na ho tlameha ho etsa boiteko bo eketsehileng ha ba thunya le sehlahisoa sena.

Canon EF 400mm f / 4 DO IS USM II lense joale e na le likaroloana tse ncha tsa mekhahlelo e fapaneng e nang le likarolo tse peli. Morero oa lense oa lense o fetotsoe molemong oa ho beha likarolo tse ncha tsa DO botebong ba sebopeho sa eona sa kahare. Ka tsela ena, flare e tla fokotseha haholo, haholo ha lifoto li nka linepe tsa lihlooho tse khutlisitsoeng.

Theknoloji ea "diffractive optics" e boetse e ntle ho fokotsa phetolo ea chromatic, ka hona boleng ba setšoantšo bo tla ba holimo haholo, 'me bo tla thabisa basebelisi.

Canon EF 400mm f / 4 DO IS USM II lense e teng ho fana ka boleng bo holimo ba setšoantšo

Lense e ncha ea Canon e sebelisa karolo ea molora le karolo ea Ultra Low Dispersion (UD), e tla lokisa liphoso tsa Optical. Ntle le moo, lense ea EF 400mm f / 4 DO IS USM II e koahetsoe ke SWC, e fokotsa le ho feta ho hlahisa lithunya tsa boleng bo holimo.

Khamphani e thehiloeng Japane e boetse e kentse botsitso ba setšoantšo ho sehlahisoa, se fanang ka lithibelo tse ka bang nne tsa khalemelo.

Sistimi ea autofocus e tsamaisoa ke enjene ea ultrasonic (USM), ka hona ho tsepamisa maikutlo ho tla ba boreleli haholo hape ho khutse.

Tlhahisoleseling ea ho fumaneha

Canon e hlahisitse sistimi ea DO hobane e fana ka menyetla e mengata ho feta mekhoa e tloaelehileng ea optical. Ntle le boleng ba setšoantšo bo ntlafalitsoeng, lense ea EF 400mm f / 4 DO IS USM II e ka ba 50% e bobebe ho feta EF 400mm f / 2.8 IS II USM.

Sehlahisoa sena se secha se boima ba ligrama tse 2,100 / li-ounces tse 74.1, ha se le bolelele ba lisenthimithara tse 128mm / 50.4 le 232.7mm / 91.6-inches ka bolelele.

Joalokaha ho boletsoe kaholimo, boholo bo fokotsehileng le boima ba 'mele li bakoa ke likarolo tse fapaneng tsa khanya. Bothata bo ka nkoa e le theko, kaha lense ea Canon EF 400mm f / 4 DO IS USM II e tla lokolloa ka Pulungoana ka $ 6,899.

Bareki ba ka bang teng ba ka reka esale pele optic ena ka Amazon ka theko e boletsoeng ka holimo.