I-Canon EF 100-400mm f / 4.5-5.6L IS II USM lens imenyezelwe ngokusemthethweni

ICanon imemezele ilensi ye-EF 100-400mm f / 4.5-5.6L IS II USM, okuye kwabikwa ukuthi izosebenza ngokusemthethweni iminyaka eminingana.

Lokhu kungenye yemikhiqizo yezithombe zedijithali enamahemuhemu kunayo yonke. Ngokwengeziwe, kuye kwathiwa iCanon bekufanele ngabe yethulwa kudala. Yebo, akucaci ukuthi kungani ibambezelekile, kepha ilensi ye-EF 100-400mm f / 4.5-5.6L IS II USM ekugcineni lapha.

Imikhiqizo emisha iza nobuchwepheshe bokuqiniswa kwesithombe obuthuthukisiwe, ifomula ye-optical ethuthukisiwe, nokuklanywa okungcono kwe-zoom phakathi kwabanye futhi nosuku lokukhishwa kwayo kulindeleke ukuthi lwenzeke ngokuhamba kwesikhathi ngo-2014.

ICanon iveze i-EF 100-400mm f / 4.5-5.6L IS II USM lens ngobuchwepheshe obusha bokusimamisa isithombe nekhwalithi yesithombe ethuthukisiwe.

I-Canon EF 100-400mm f / 4.5-5.6L IS II USM lens iba semthethweni nge-Air Sphere Coating

Inkampani ezinze eJapan iveze ngokuziqhenya isizukulwane sesibili samalensi aso we-super-telephoto zoom lens ahloselwe uzimele ogcwele wamakhamera we-DSLR futhi ahambisana nama-APL-C asayizi we-DSLRs, nawo.

Njengoba kushiwo ngenhla, i-Canon EF 100-400mm f / 4.5-5.6L IS II USM lens isebenzisa idizayini entsha yangaphakathi enezakhi ezingama-21 ezihlukaniswe ngamaqembu ayi-16. Ifomula ifaka izinto ze-Fluorite ne-Super Ultra-Low Disperion, ezihloselwe ukunciphisa ukwehliswa kwe-chromatic.

Ngaphezu kwalokho, i-optic iza ne-Air Sphere Coating entsha, i-anti-reflection enamathela okwehlisa ukuvutha nomoya, ngaleyo ndlela kwandise ikhwalithi yesithombe.

Ilensi evalwe kabusha yesimo sezulu ngobuchwepheshe obusha bokuqiniswa kwesithombe

Le ilensi ekhethwe u-L, okusho ukuthi umkhiqizo wenziwe nangezinto ezisezingeni eliphakeme, ngaphandle kokunikeza ikhwalithi yesithombe ephezulu.

Ilensi yeCanon EF 100-400mm f / 4.5-5.6L IS II USM imelana nesimo sezulu, ngakho-ke abasebenzisi bangayikhipha endle njengoba ikwazi ukumelana nezimo ezimbi kakhulu.

Yethulwa ngo-1998, inguqulo edlule ayizange inikeze indandatho yokusondeza. Itheknoloji yokudonsa isondeza kuzomlando kumodeli entsha, njengoba iza nendandatho ejwayelekile yokusondeza enikeza ukusondeza okushelelayo, okusheshayo.

Uhlelo lokuqiniswa kwesithombe luthuthukisiwe, futhi, manje, lunikela ngokukhanya okufika kokune. Ngokwengeziwe, ilensi "iyazi" uma ifakwe ku-tripod, ngakho-ke icisha ngokuzenzakalela uhlelo lwe-IS kuleli cala.

Idethi yokukhishwa kanye nemininingwane yamanani welensi entsha yeCanon yocingo lokusondeza

Ilensi yeCanon EF 100-400mm f / 4.5-5.6L IS II USM iza igcwele isikali sebanga futhi inikezela ngebanga lokugxila elincane lamasentimitha angama-98.

Izilinganisi ze-optic zingama-94mm ububanzi no-193mm ubude, kuyilapho intambo yayo yesihlungi imi kuma-77mm. I-ET-38D hood yintsha sha futhi ivumela abasebenzisi ukuthi bazungeze isihlungi se-polarizing ngaphandle kokuthi basuswe kulensi.

Lo mkhiqizo unesisindo se-1,570 gram / 3.46lbs futhi uzokhishwa emakethe ngoDisemba 2014 ngentengo engu- $ 2,199. Abathengi abangaba khona bangavele ba-ode ngaphambili ku-Amazon njengamanje.