Canon CN-E 35-260mm f / 2.8 LS yakapfava inotarisa lenzi patent

Canon ine patenteni nyowani cine lens ine yakatarisana nzvimbo ye35-260mm uye inogara iine huwandu hwekuvhura f / 2.8, iyo inoshandisa yakapfava yekutarisa nzira yekuwedzera maroto-akafanana mhedzisiro kumavhidhiyo.

Patent nyowani yakabuda kubva kuJapan uye panguva ino iri kubva kuCanon pachinzvimbo chaTamron, izvo zvakaitika kakawanda kupfuura kwete munguva dzichangopfuura.

Iyo EOS inogadzira yakapihwa patent yeiyo yakapfava inotarisa lens ine 35-260mm yakatarisana kureba renji uye f / 2.8 yakanyanya kuzarura. Iyo optic yakagadzirirwa makamera ema cinema ane Super 35mm maseru sensors uye zvaizove nezvinoreva muindasitiri yevhidhiyo.

Aya ndiwo marongero emukati eCanon CN-E 35-260mm f / 2.8 LS akapfava anotarisa lens.

Patent yeCanon CN-E 35-260mm f / 2.8 LS yakapfava inotarisa lens inoratidzika kuJapan

Sangano reNational Association of Broadcasters Ratidza 2015 iri kusvika uye makambani ari kushanda pazvigadzirwa zvitsva zvinogona kuratidzwa pachiitiko ichi. Canon inotarisirwa kuburitsa boka re4K kamera, kusanganisira camcorder uye DSLRs, nepo akati wandei macine lenses ari munzira, futi.

Imwe yakasarudzika modhi inogona kuratidzirwa kuNAB Ratidza 2015, sezvo kambani yeJapan ichangobva kupihwa patent yayo. Iyi ndiyo Canon CN-E 35-260mm f / 2.8 LS yakapfava inotarisa lens, iyo yakagadzirirwa camcorder ine Super 35mm-saizi maseru.

Kana ikave inowanika pane imwe nguva mune ramangwana, ipapo iyo optic inozopa iyo 35mm yakatarisa kureba yakaenzana ingangoita 48-361mm. Sezvo zita rayo riri kuratidza, iyo lens iri inokwanisa kuchengetedza inogara yakanyanya kuzara kwef / 2.8, iyo yakajeka yakajeka uye inovimbisa kudzika kwakadzika kwazvo kwemunda pane telephoto kureba.

Kunyangwe zvese izvo, chinonyanya kufadza chinhu cheichi optic inyaya yekuti iri yakapfava yekutarisa modhi uye kuti ichapa zviroto-senge mhedzisiro. Inogona kushandiswa muvhidhiyo pamwe nekuyevedza kutora mifananidzo nevashandisi vanoda kuwedzera zvakasarudzika mhedzisiro yavo yezvinyorwa.

Musiyano uripakati pekunze-kwekutarisa foto uye yakapfava yekutarisa imwe. Credits: Bob Atkins.

Chii chinonzi soft lens lens?

Kutarisisa kwakapfava chaiko kukanganisa kwemaziso. Inowanzo nyonganiswa neyekunze-kwe-kutarisa mifananidzo. Nekudaro, zvakasiyana zvakanyanya neOFOF uye mhedzisiro yacho haigone kudzokororwa nekukanganisa.

Lenzi dzanhasi dzinoratidzira zvakasarudzika zvinhu kudzora zvakashata zvisizvo, senge aberrations. Iyo yakapfava yekutarisa lenzi yaizonyatsokurudzira kukanganisa kwakadaro, sezvo mhedzisiro yacho inowanikwa nekuda kwekutenderera kwekutenderera.

Nenzira iyi, iyo mifananidzo yakasviba, asi iyo micheto icharamba yakapinza. Icho chikonzero nei ichi kazhinji ichionekwa mune inokatyamadza kutora mifananidzo ndeyekuti inocheka pasi ingangoita makwapa uye inoburitsa inorota, ethereal tsoka, sezvakataurwa pamusoro.

Kutumira-kugadzirisa kunogona kubatsira vashandisi kuwedzera zvakapfava kutarisisa mhedzisiro yavo kupfura, asi dambudziko nderekuti chaiyo bokeh inenge isingakwanisike kubereka uchishandisa software.

Nikon iri kugadzira DC-akateedzana (Defocus Control) lenses, ayo akafanana neakapfava anotarisisa maitiro. Nekudaro, akadaro optics anokwanisa chaizvo kuchinja kutaridzika kwezvinhu mumufananidzo uye zvinofambidzana neakabuda-eku-tarisa matekiniki.

Canon yakambogadzira yakapfava inotarisa lenzi mumuviri weEF 135mm f / 2.8, iyo yakaburitswa kumashure muna 1987 kune vafotori vemifananidzo. Zvichava zvinonakidza kuona kana kwete nyowani nyowani yekutarisa optic iri kuuya kumusika, saka ramba wakatarisana!