I-Canon EF 70-300mm f / 4.5-5.6 DO patent lens ibonakala eJapan

I-Canon inelungelo elilodwa lomenzi ezimbini zelensi zoom eJapan, enye ine-100-400mm yobude obude obugxile kwaye enye inoluhlu lwe-70-300mm, kodwa zombini zinento ebonakalayo ebonakalayo.

“Unyaka weelensi” uqalile eCanon ngokumiliselwa kwe EF 16-35mm f / 4L YI-USM kwaye EF-S 10-18mm f / 4.5.5-6 Ngaba yi-STM iimodeli phakathi ku-Meyi.

Amarhe okusila abanga ukuba iilensi ezininzi ziya kutyhilwa ukuphela kuka-2014, kubandakanya ukusondeza-engile ebanzi nge-f / 2.8 ukuvula kunye nokutshintshwa kwe-EF 100-400mm f / 4.5-5.6L IS.

Okwangoku, inkampani inelungelo elilodwa lomenzi kwiimodeli ezimbini ezintsha eJapan kwaye enye yazo inokuba yindlalifa yenguqulo ye-100-400mm.

Iilensi ezimbini ezisandula ukuba nelungelo lobunikazi yiCanon EF 100-400mm f / 4.5-5.6 DO kunye neCanon EF 70-300mm f / 4.5-5.6 DO.

ICanon EF 70-300mm f / 4.5-5.6 DO kunye ne-EF 100-400mm f / 4.5-5.6 DO lenses enelungelo elilodwa lomenzi eJapan

Ilungelo elilodwa lomenzi welensi ye-Canon EF 70-300mm f / 4.5-5.6 DO. Inguqulelo yale lens isekhona kwintengiso, kodwa kuyabonakala ukuba inkampani igqibe kwelokuba ithathe indawo yale modeli.

ICanon iye yahletyelwa ukuba ikhululwe entsha 100-400mm yokukhanya ixesha elide kakhulu. Amalungelo awodwa omenzi wechiza athe abonwa phakathi kwala marhe, kodwa kukho indawo yelinye.

Le nguqulo inezinto ezili-17 ezahlulwe zangamacandelo ali-11 anento yokwenza ne-fluorite kunye ne-element ebonakalayo enamehlo.

I-lens ye-Canon EF 70-300mm f / 4.5-5.6 DO yenza ubumbeko olufanayo olunezinto ezili-17 ezikumaqela ali-11 kunye neefluorite kunye nezinto ezibonakalayo ezibonakalayo.

Yintoni into ebonakalayo enombala?

I-Canon isebenzise i-optics eguquguqukayo kwezinye zeelensi zayo iminyaka eliqela. Itekhnoloji ye-DO ivumela inkampani ukuba yenze iilensi ezikumgangatho ophezulu ngelixa igcina ubunzima kunye nobukhulu.

Izinto ezi-multilayer ezahlukayo zenziwe ngokongeza ukutyabeka okungafaniyo kwizinto zeelensi. Ngale ndlela, iilensi ziba zincinci kwaye zilula, ngelixa zisonyusa umgangatho womfanekiso.

Ukonyuka komgangatho kuvela kwinto yokuba izinto ze-DO azisasazi ukukhanya, ezinje ngeemodeli eziqhelekileyo. Xa ukukhanya kusasazeka kwiilensi, kudala ukuphambuka kokwechromatic. Nangona kunjalo, xa usebenzisa i-optics eguquguqukayo kwi-lens, ukucinywa kwe-chromatic kuyacinywa, Utsho uCanon.

Umzekelo welensi ye-Canon DO

Njengoko kuchaziwe apha ngasentla, iCanon ikhuphe iilensi ze-DO kwintengiso. Enye yazo yi-Canon EF 70-300mm f / 4.5-5.6 Ngaba Yilensi ye-USM esele ikho malunga neminyaka elishumi.

I-patent entsha iphakamisa ukuba ukutshintshwa kwale optic ekugqibeleni kusendleleni. Isizukulwana sangoku sisafumaneka eAmazon malunga ne- $ 1,400, Esihlala sisivumelwano esihle siqwalasele inyani yokuba ixabiso lokumiliselwa kwale modeli lisetelwe kwi- $ 2,300.

Kwakhona, akukho mhla wokukhutshwa, kodwa isibhengezo singenzeka ngelinye ixesha ehlotyeni, ke thabatha le pinch yetyuwa okwangoku.