Waa maxay zoom on camera ah? Dooro Zoom ugu fiican

Doorashada iyo iibsashada camera a - waa adag ah oo mas'uul ah, ma aha oo kaliya in ay lagama maarmaan tahay inay tixgeliyaan oo dhan oo ka mid ah hawlaha la doonayo iyo sifooyinka qalab, sidaas oo kale u baahan tahay in la helo qalab kala duwan ah qiimaha ku haboon sida. Khaladka ugu weyn ee iibsadaha ah - halaynta unquestioning on erayada meesha iibka la taliye. Sida la og yahay, tababarayaasha ugu muhiimsan hawsha - kordhaya iibka. Waayo, marketers sheyga wanaagsan yihiin advertising on tabaha kala duwan, sida ku cad sharaxaad ka mid ah qalab ka mid ah zoom muhiimad weyn, iyo nooca zoom (indhaha iyo digital) ma waxay muujinayaan, rajaynaynin karti iibsadaha ah. Si taas loo dhan looga fogaado iyo dooran qalab ugu fiican ee mudan in la ogaado in wax kasta oo ka hor ku saabsan shaqo ka mid ah noocyo zoom iyo zoom.

Waa maxay zoom?

Zoom (zoom) - taasi waa la gashto gaar ah photodevices dhimaya in kuu ogolaanayaa inaad Mozilla, sidaasna ay ku kordhiyaan waxyaalaha la tirtiray. waxa aad ku soo gani karo meel fog ka mid ah xiddigaha, zoom iyo sawirro loo qaado xataa ubax daaqad dabaqa 9aad, inkastoo imtixaanka qalab military oo horyaalka ah projectiles oo aan wax dhibaato jidhka iyo maskaxda.

Zoom ku xiran tahay muddada focal. FR - waa dhererka qeybta ka dhexe ee siku in furta, ie, dhibic ka mid ah diiradda ... Waxay go'aansadeen in ay u dabaal on gashto ee milimitir, tusaale ahaan, labo ka mid ah 5,8-24 lambar mm: god ugu horeysay - FR a on dhamaadka gaaban, iyo lambarka labaad - DF on dhamaadka dheer. Haddii aan tirada qaybiyo nambar ee RF dheer gaaban, waxaan u hesho qiimaha zoom, loo siman yahay ilaa afar.

zoom digital

Haddaba si aan u ogaanno waxa zoom ah waa in ay fahmaan kala duwan ay aasaasiga ah, digital iyo indhaha. kamaradaha Qaar ka mid ah isu geeyo iyo in, iyo noocyo kale.

Digital Zoom, marka la indhaha la barbar dhigo - waa nooc ka mid ah khiyaali ah, maxaa yeelay, iyada oo ay isticmaalaan wax soo saarka ah ee nidaaminta digital waxaa laga heli karaa, run ahaantii ma tayo soo dhawaaday shayga sawirka. Baniaadamnimo dhacdaa by iskala qaybta dhexe ee sawirka barnaamijka sida xad ilaa ay ka gaarayso size jir asalka ah.

Haddii zoom digital waa weyn yahay, image ah waa la kordhin karaa iyadoo khasaaraha yar oo tayo leh, haddii uu yar yahay, ka dibna kororka tayada waxaa lahagaajin laga badiyay. Buuxsamaysay jajabkii yaryar oo aan la tayo wanaajin karo, si images sida la sii kordhaya si adag pikseliziruyutsya.

Si kastaba ha ahaatee, waxa ay si cad u muujinaysaa in adigoo isticmaalaya zoom digital, waxaad ka heli kartaa image tayo hoose leh, waayo habka processing digital uusan weli taagan, oo had iyo horumarinta. Marka la barbar dhigo qalabka sano oo kaliya 7 ka hor, kaamirooyinka hadda ee barnaamijka daaweynta si weyn u kordhin kartaa image ah, taas oo waxa ay taasi si hufan, in ku dhowaad imperceptibly taagay.

Haddii shuruudaha aad si cad u yihiin zoom ma ku qanacsan, had iyo jeer in aad sidoo kale wuxuu curyaamin ama beddeli goobaha ay of miraheeda kartaan.

zoom indhaha

zoom noocan oo kale ah - weyneeyey this by isticmaalka eyepiece ah. By yaraynta E. dib u eegis xagal, t. Dhererkiisu focal, qiyaas la sameeyo wax sawirka. Faa'iidada ugu weyn ee zoom ee indhaha si digital waa xaqiiqda ah in image waxaa la sii ballaadhisay in waxa aan la dhimay kala dheereynta u dhexeeya pixel, si tayada sawirka aan Dullaysane.

kala duwan ee dhererka focal waxaa si toos ah loo arki karaa on siku. Dabcan, marka aad dooranayso camera a , la doorbidayo qiimaha ugu weyn ee suuragalka ah waxaa ka mid ah, ayaa in ka badan in industry ee ma aha in la zoom ee indhaha meesha, macno ahaan "jediyay" alaabtii badan oo casri ah.

Superzoom - Kooxda heysata horyaalka zoom badnaanta

Waqtigan xaadirka ah, indhaha 10x zoom yaabin karaa in ayeeyo 80-sano jir ah marka laga reebo. Horumarka wajiga, iyo jiilka hadda waxaa durbaba si xor ah ku raaxaystaan kamaradaha is haysta qalabaysan 50x zoom. Waxaa lagu qiimeeyaa ma ahan oo keliya sida horumar degdeg ah a, laakiin sida ugu boodboodo ah, boodi ka ab dheer. Indeed, waa maxay zoom digital, leh super indhaha la barbar dhigo? Heshiisyada isafgaradka la zoom for photos tayo leh ka xoogbadan, hore u sameeyaan tartan la taaban karo nooc eheeyn ee SLR iyo lenses xad-dhaaf ah in sawir xirfadle dhididka jiiday on dhan caleemaha photo. Dabcan, qaar badan oo ka mid ah "widgets" gaar ah waa mid aad u functional superzoom is haysta sawir ma bedelo, laakiin marka la eego dhaqdhaqaaqa iyo ergonomics, waxay iyaga siin madaxa ku bilowday.

Sababo la xaqiiqada ah in uwadida iyo sidaas oo gelis zoom awood of camera this uma baahna saarista joogto ah / qalabaysan si loo helo ugu habboon ee photo biqil gaar ah si ay u soo galaan furta oo ka hortagtaa ciidda.

Zoom sidoo kale goob joog in kamaradaha video. muuqashadii ugu horumarsan kiiska tani waxay noqon doontaa zooming Buugga superzoom. Xataa iyadoo ay jirto in camera video la zoom - hadda ma aha cusub, si kastaba ha ahaatee joogitaanka function qalab la mid ah - taasi waa gunno la taaban karo.

Sidaas darteed, waxaa fiican in aad doorato qalabka la zoom ah indhaha ama superzoom is haysta oo leh. Waxaad hore u ogaato waxa zoom digital iyo in kororkan in tayada sawirka. Zoom waa in aanay noqon sababta ugu weyn ee wax iibsiga mishiinka, waxaa wanaagsan in la iibsado camera wanaagsan, bixinta awood u leh inay beddesho optics ah. Xaaladdan oo kale, haddii rabitaan ama baahi deg-deg ah u leedahay zoom vysokokratny ugu dambeyntii aad qarqin, aad had iyo jeer ka iibsan kartaa gashto ku haboon.