Products Featured
-
Falalka Muhiimka ah ee Photoshop
Waxyaabaha la isku qurxiyo ee wax lagu qurxiyo ee Photoshop Action
$57.00 -
-
-
Falalka Muhiimka ah ee Photoshop
Baahida loo qabo Dhallaanka Cusub Ed Tafatirka Waxqabadka Photoshop Ilmaha dhashay
$29.00 -
-
-
-
Canon wuxuu sharciyeeyay muraayad cusub oo bixisa dherer focal dhererkiisu yahay 400mm, aperture ugu badnaan oo ah f / 2.8, iyo fidin la dhisay oo kordhiya dhererka focal ilaa 1.4x.
Xilli aan ku soo dhowaaneyno Photokina 2014, waxaa jira cabsi ah in shirkadaha aysan sameyn doonin ogeysiisyo aad u badan bilaha soo socda.
Kaamirooyinka dhijitaalka ah iyo soosaarayaasha muraayadaha indhaha ayaa laga yaabaa inay sugaan dhacdada si ay u muujiyaan abuuritaankoodii ugu dambeeyay. Haddii ay taasi run noqoto iyo haddii kaleba, shirkadaha ayaa hubaal ku sii hayn doona rukhsadda wax soo saarkooda.
Canon wuxuu si firfircoon uga dhex muuqday waaxdan waqtiyadii ugu dambeeyay. Markii ugu dambeysay ee aan ka hadalno sheyga loo yaqaan 'Canon lens patent', waxay ku lug lahayd 400mm f / 4 IS DO model. Hadda, waxaan sidoo kale fiirineynaa muraayadaha 400mm, laakiin mid ka mid ah oo leh aperture dhalaalaya oo ah f / 2.8.
Canon 400mm f / 2.8 lens oo shati ku leh Japan oo leh isku dhejiye 1.4x ah
Patent-ka Canon 400mm f / 2.8 wuxuu la yimaadaa lama filaan xiiso leh. Muraayaddani waxay ka kooban tahay fidin lagu dhejiyay 1.4x, oo la mid ah midka laga helo muraayadda EF 200-400mm f / 4L IS USM, kaasoo la soo saaray bishii Maajo 2013.
EF 200-400mm f / 4L IS USM ayaa la sheegay inuu yahay optic-kii ugu horreeyay ee lagu soo rakibo isku darka isku dhejinta 1.4x. Markii la isticmaalayo, waxay ku siin doontaa dherer dhererkiisu yahay 280-560mm oo ah qiimaha hal f-joojin ah, taasoo la micno ah in furitaanka ugu badan uu istaagi doono f / 5.6.
Haddii Canon ay shaqeyso nidaam la mid ah, ka dibna muraayadaha 400mm f / 2.8 wuxuu bixin doonaa dherer dhererkiisu yahay 560mm iyo furitaanka ugu badan ee f / 4. Milkiilayaasha kamaradaha EOS waxay u badan tahay inay aad ugu farxi doonaan maqalka tan, laakiin si fudud u lahaanshaha sheyga ma damaanad qaadayo in lagu sii deyn doono suuqa.
Amazon hadda waxay iibineysaa Canon EF 200-400mm f / 4L IS USM lens oo leh dhisme 1.4x kordhin ah qiimo ku dhow $ 11,800.
Canon wuxuu ku hayaa muraayadaha indhaha patenting leh dherer dhererkiisu yahay 400mm
Sida kor lagu sheegay, Canon wuxuu shatiyeeyay muraayadaha kale ee 400mm muddooyinkii ugu dambeeyay. Noocaasi wuxuu la socdaa furitaanka ugu badan ee f / 4 iyo farsamada xasilinta sawirka.
Intaas waxaa sii dheer, nooca '400mm f / 4' waxaa ku jira cunsurro ifafaaleyaal kala duwan ah, taas oo macnaheedu yahay in tayada muuqaalka la hagaajin doono, halka culeyskiisa iyo cabirkiisana la dhimi doono.
Canon “sanadka muraayadaha indhaha” waxaa ku jira kaliya seddex optics ilaa iyo hada: EF 16-35mm f / 4L IS USM, the EF-S 10-18mm f / 4.5-5.6 IS STM, iyo the EF-M 55-200mm f / 4.5-6.3 WAA STM.
Si kastaba ha noqotee, moodooyin badan ayaa la filayaa in lagu muujiyo Photokina 2014, ee la soco bartayada internetka!