Makina atsopano a Canon 300mm f / 4 IS akugwira ntchito

Canon ili ndi ma lens atatu apamwamba, okhala ndi 300mm f / 4 IS, 24mm f / 2.8, ndi 50mm f / 1.3, yokhala ndi cholumikizira chosakanikirana komanso chosinthidwa chofalitsa, chomwe chimachepetsa zolakwika zamaso, monga chromatic aberration.

Imodzi mwa makampani opanga digito omwe akuyembekezeka kukhazikitsa magalasi angapo posachedwa ndi Canon. Kampaniyo ili kale mphekesera kuti ikugwira ntchito mandala atsopano a 50mm f / 1.8 pamodzi ndi mandala atsopano a 70-300mm f / 4-5.6 IS ndi wapadera chamawonedwe zazikulu.

Pamndandandawu, titha kuwonjezera mandala atsopano a Canon 300mm f / 4 IS, omwe ali ndi setifiketi ku Japan yokhala ndi gawo logawira index. Chipangizochi chakhala chovomerezeka ndi 24mm f / 2.8 ndi 50mm f / 1.3 optic, onse ogwiritsa ntchito mandala omwe atchulidwawa.

Uku ndiye kapangidwe ka mkati ka Canon EF 300mm f / 4 IS telephoto lens, yomwe ingalowe m'malo mwa mibadwo yatsopano mtsogolo muno.

Patent yatsopano yatsopano ya Canon 300mm f / 4 IS yapezeka ku Japan

Canon ikugulitsa mandala a EF 300mm f / 4L IS USM apamwamba kwambiri chifukwa cha makamera ake a EOS DSLR. Komabe, mtunduwu udatulutsidwa pamsika mu 2004, zomwe zikutanthauza kuti ndiwofunikira kuti asinthidwe mtsogolo kwambiri.

Chilolezo cha munthu amene angalowe m'malo mwake changowonekera ku Japan. Idasungidwa pa Julayi 30, 2013 ndipo idasindikizidwa pa February 12, 2015.

Chilolezocho chikufotokozera mandala atsopano a Canon 300mm f / 4 IS omwe akuphatikizira gawo labwino logawira index. Njirayi yawonjezeredwa m'magulu atatu ndipo ilipo kuti idule zolakwika zina, monga chromatic aberration. Mwanjira iyi, mandala amapereka chithunzi chapamwamba kuposa mandala wamba.

M'badwo wapano ulipo kuti ugule ku Amazon pafupifupi $ 1,450. Chonde dziwani kuti, pomwe patent ndi chisonyezo cha zomwe zikutsatira, sizitanthauza kuti mandala apamwamba kwambiri awa adzamasulidwa pamsika kuti abwezeretse mtundu waposachedwa posachedwa.

Canon ikugwiritsanso ntchito ma lens ena atsopano a 24mm ndi 50mm

Pamodzi ndi magawo omwe asinthidwa omwe amagawidwa mu Canon 300mm f / 4 IS yatsopano, kugwiritsa ntchito patent kumatchulanso zina zingapo.

Yoyamba ndi mtundu watsopano wa EF 24mm f / 2.8. Mtundu wapano udatulutsidwa pamsika mu 2012 ngati EF 24mm f / 2.8 ISM US-wide-angle prime lens.

Gawo lachiwiri lili ndi mtundu wa 50mm f / 1.3. Sizikudziwika bwino chifukwa chake zimapereka kutseguka kosasinthasintha (m'malo mwa f / 1.2 kapena f / 1.4). Komabe, kampaniyo ili ndi mphekesera kuti ikhazikitsa mandala atsopano a 50mm posachedwa, chifukwa chake zikuwoneka kuti yayesa mayunitsi angapo.

Pakadali pano, palibe chilichonse chovomerezeka kuchokera ku Canon, chifukwa chake muyenera kumamatira kuti mudziwe ngati imodzi mwamagalasiwa ikubwera kapena ayi!