Patent rau Canon EF-S 100-300mm f / 4-5.6 IS tsom iav

Canon tau ua daim ntawv pov thawj tshiab EF-S-mount lub lens ntawm lub cev ntawm 100-300 hli f / 4-5.6 lub xov tooj sib txuas nrog qhov ua kom muaj cov duab thaij duab kho qhov muag.

Lwm lub lens tau nyuam qhuav tau txais daim ntawv pov thawj los ntawm Canon hauv lub tuam txhab lub tsev. Qhov tshiab kawg patent tuaj tawm Nyiv muaj EF-S-mount 100-300mm f / 4-5.6 IS telephoto zoom lens.

Lub tuam txhab tau patented ntau optics nyob rau hauv lub sijhawm tsis ntev los no. Tag nrho cov ntawm lawv yog qhov txaus nyiam heev, tab sis qhov no sawv tawm thaum nws yuav dhau los ua cov cuab yeej zoo tshaj plaws rau cov tsiaj qus thiab ua kev thaij duab ua ke nrog EOS 7D Mark II DSLR.

Canon EF-S 100-300mm f / 4-5.6 IS lens muag tau hauv Nyij Pooj

Daim duab pom zoo Canon EF-S 100-300mm f / 4-5.6 IS lens tau tsim rau EOS-series DSLR koob yees duab nrog APS-C-qhov loj qhov duab pom, xws li hais txog 7D Mark II.

Txawm hais tias qhov kev qhia tshwj xeeb ntawm nws sab hauv kev teeb tsa tsis tau xeb, cov duab kos ntawm kev tsim kho yog tam sim no thiab nws zoo li muaj txog 16 los yog li cov ntsiab lus cais ua 10 pab pawg.

Tus tsim sab hauv ntawm Canon EF-S 100-300mm f / 4-5.6 IS lens, raws li pom hauv nws daim ntawv thov patent.

Qhov kev teeb tsa no yog qhov nyuaj, tab sis nws yuav yog qhov tseem ntau tshaj yog tias nws tau muaj lub zog ci ntsa iab. Txawm li cas los xij, nws muaj 3 x optical zoom nrog 35mm focal khwv sib npaug ntawm 160-480mm, yog li qhov aperture tuaj yeem suav tau sai txaus.

Ua lub telephoto zoom lens, yuav zoo siab tos txais nrog qhib npab los ntawm kev nqis tes ua, kev ua kis las, thiab cov duab thaij tsiaj qus. Txhawm rau ua kom lub koob yees duab co, lub optic los nrog kev sib txuam thev naus laus zis thev naus laus zis. Lub kaw lus tseem yuav pab tau nyob rau hauv chaw qis teeb pom kev zoo, qhov twg cov kws yees duab yuav tuaj yeem tua nrog qhov nrawm nrawm nrawm yam tsis pom plooj hauv cov duab.

Cov qauv no yuav dhau los ua lub lens nrog qhov ntev tshaj plaws hauv focal ntev hauv EF-S kab-kab

Canon tau foob rau tsab cai patent rau Lub Ib Hlis 23, 2014. Kev tshaj tawm ntawm tsab cai patent tau tshwm sim rau Lub Xya Hli 30, 2015. Nws tsim nyog teev tias lub sijhawm, ntawm kev thov thiab kev pom zoo, yog qhov qub, yog li nws tsis tshua hais dab tsi txog cov xwm txheej ntawm qhov dej num no.

Canon EF-S 100-300mm f / 4-5.6 IS lub lens tsuas yog txhim kho hauv lub sijhawm, txhais tau tias peb yuav tsum ua tib zoo xav txog qhov ua tau tias nws yuav tsis raug tso tawm.

Tseem, nws yuav nthuav kom pom qhov no tau pib ua lag luam rau kev txiav txim siab ntawm lub ntsej muag ntev dua. EF-S-mount optic nrog lub sijhawm ntev tshaj plaws ntawm telephoto focal ntev yog 55-250 hli f / 4-5.6 IS STM, uas yog muaj nyob ntawm Amazon txog ntawm $ 300.

Nws yuav yog qhov zoo rau pom cov khoom no dhau los ua raug, yog li nyob twj ywm saib xyuas seb zaj dab neeg no nthuav tawm li cas!