Ladislav Soukup Yaƙin megapixel don ƙananan kyamarori ya riga ya zama al'ada na kowa, amma wayoyin hannu ba su shiga da yawa ba. Yawancin wayoyin hannu suna da ƙarancin ƙarancin megapixels kuma suna ƙarewa kusan 8 Mpix. Amma menene ainihin mahimmanci ga hotuna masu inganci? Ana buƙatar 41 Mpix da gaske?
Sensors
Nau'in da ƙuduri na firikwensin tabbas yana da mahimmanci, amma kawai zuwa wani iyaka. Hakanan ingancin sashin gani yana taka rawa sosai, wanda shine babbar matsalar wayar hannu. Idan na'urorin gani ba su da inganci, ko da ƙudurin Mpix 100 ba zai cece ku ba. A gefe guda, a bayan na'urorin gani masu inganci, firikwensin da ke da ƙuduri mafi girma na iya nunawa kawai. Wani muhimmin alama bayan ƙuduri shine nau'in firikwensin da kuma gina ƙwayoyin photocells guda ɗaya.
Fasaha mai ban sha'awa kuma ita ce Na'urar firikwensin baya-haske, wanda Apple ya yi amfani da shi tun daga iPhone 4. Amfanin shine cewa irin wannan firikwensin zai iya ɗaukar kusan 90% na photons, maimakon yadda aka saba kusan 60% don firikwensin CMOS na yau da kullun. Wannan ya rage girman hayaniyar dijital da firikwensin CMOS gabaɗaya ke fama da su. Wanne mahimmin alamar inganci. A cikin yanayin haske mara kyau, amo yana bayyana a cikin hoton da sauri kuma yana iya lalata ingancin hoto sosai. Kuma yawancin megapixels a cikin ƙaramin sarari (ko ƙarami na firikwensin tantanin halitta), ana iya ganin hayaniya, wanda kuma shine babban dalilin da yasa gabaɗaya wayoyin hannu suka tsaya a ƙasa a yaƙin megapixel, kuma Apple ya makale zuwa 4 Mpix tare da iPhone. 5 kuma tare da iPhone 4S kawai ya canza zuwa 8 Mpix, inda iPhone 5 ya kasance.
Mu karasa
Har ila yau, ikon na'urar gani don mayar da hankali yana da mahimmanci ... a cikin nisa da suka gabata (iPhone 3G) an daidaita ruwan tabarau kuma an daidaita hankalin a wani tazara ta musamman - galibi a nisan hyperfocal (watau zurfin filin yana ƙare daidai a daidai). rashin iyaka kuma yana farawa kusa da kamara gwargwadon yiwuwa) . A yau, yawancin wayoyin kyamara sun canza zuwa na'urorin gani masu iya mayar da hankali, Apple ya yi haka tare da iPhone 3GS tare da iOS 4.
Kamara ta dijital
Wani muhimmin sashi shine na'urar sarrafa hoto, wanda ke kula da fassarar bayanai daga firikwensin zuwa hoton da aka samu. Masu mallakar kyamarori na dijital na SLR sun riga sun saba da tsarin RAW, wanda ya “wuce” wannan processor kuma ya maye gurbinsa da software kawai akan kwamfuta (amma a zamanin yau kuma akan allunan). Mai sarrafa hoto yana da ayyuka da yawa - cire amo (software), ma'auni fari (domin sautin launi ya dace da gaskiya - ya dogara da hasken hoto), wasa tare da tonality na launuka a cikin hoto (kore da shuɗi jikewa. an ƙara don shimfidar wurare, da dai sauransu ...), gyara bambanci na hoto da sauran ƙananan gyare-gyare.
Har ila yau, akwai na'urori masu auna firikwensin da ke da daidai wannan 40 Mpix kuma suna amfani da "zabar" don rage amo ... Kowane pixel an haɗa shi daga nau'i-nau'i masu yawa (pixels a kan firikwensin) kuma mai sarrafa hoto yana ƙoƙarin buga launi mai kyau da ƙarfin wannan pixel. . Wannan yawanci yana aiki. Apple bai riga ya kusanci irin wannan dabarun ba, don haka ya kasance cikin mafi kyawun su. Wani dabara mai ban sha'awa ya bayyana kwanan nan (kuma har yanzu ba a yi amfani da shi ba a aikace tare da kowane wayar hannu) - Dual ISO. Wannan yana nufin cewa rabin firikwensin yana yin sikanin tare da matsakaicin hankali da sauran rabin tare da mafi ƙarancin hankali, sannan kuma pixel sakamakon yana shiga tsakani ta amfani da na'urar sarrafa hoto - wannan hanyar tabbas tana da mafi kyawun sakamakon hana amo ya zuwa yanzu.
Zuƙowa
Zuƙowa kuma abu ne mai amfani, amma abin takaici ba shine na gani akan wayoyin hannu ba, amma yawanci kawai dijital. Zuƙowa na gani a fili ya fi kyau - babu lalatar hoto. Zuƙowa na dijital yana aiki kamar yanke hoto na yau da kullun, watau an yanke gefuna kuma hoton ya bayyana yana ƙara girma; Abin takaici a farashin inganci. Wasu masana'antun suna bin hanyar na'urori masu auna firikwensin 40 Mpix, wanda a kan abin da amfanin gona na dijital ya fi sauƙi - akwai abubuwa da yawa da za a ɗauka daga gare ta. Sakamakon hoton ana canza shi daga babban ƙuduri zuwa matakin kusan 8 Mpix.
[yi mataki = "citation"] Kyakkyawan hoto ba kamara ne ya yi ba, amma ta mai daukar hoto.[/do]
Ko da yake a cikin wannan yanayin ba za a sami raguwa mai mahimmanci na ƙuduri ba (bayan ajiyewa, hoton ya kasance mafi ƙanƙanta fiye da ainihin adadin maki akan firikwensin), za a sami raguwa a matakin firikwensin, inda maki ɗaya ya kasance karami kuma sabili da haka kasa kula da haske, wanda rashin alheri yana nufin karin amo. Amma a gaba ɗaya ba hanya mara kyau ba ce kuma tana da ma'ana. Za mu ga idan Apple ya bi kwatankwacin sabon iPhone. Abin farin ciki ga iPhone, akwai 'yan ruwan tabarau masu cirewa waɗanda za su iya ƙara zuƙowa mai gani tare da ƙaramin tasiri akan inganci - ba shakka, da yawa ya dogara da ingancin abubuwan gani.
walƙiya
Don ɗaukar hotuna a cikin duhu, yawancin wayoyin hannu a yau sun riga sun yi amfani da "flash", watau farin LED diode, ko xenon flash. A yawancin lokuta yana aiki kuma yana taimakawa, amma a cikin daukar hoto gabaɗaya, ana ɗaukar filasha akan axis mafi munin tashin hankali. A gefe guda, yin amfani da filasha na waje (mafi girma da nauyi fiye da wayar hannu) ba shi da amfani, don haka kashe-kashe flash zai kasance yanki na ƙwararru da ƙwararrun masu daukar hoto DSLR na dogon lokaci. Amma wannan ba yana nufin cewa ba za a iya amfani da iPhone don daukar hoto a matakin ƙwararru ba.
[youtube id=TOoGjtSy7xY nisa =”600″ tsayi=”350″]
Ingancin hoto
Wanda ya kawo mu ga matsalar gaba ɗaya: "Ba zan iya ɗaukar hoto mai kyau ba tare da kyamara mai tsada ba." Za ka iya. Kyakkyawan hoto ba kamara ya yi ba, amma ta mai daukar hoto. Kyamarar SLR na dijital tare da ruwan tabarau mai tsada koyaushe zai kasance mafi kyawun wayar hannu, amma a hannun gogaggen mai daukar hoto. Kyakkyawan mai daukar hoto zai ɗauki hoto mafi kyau tare da wayar hannu fiye da yawancin masu daukar hoto tare da kyamarar SLR mai tsada - sau da yawa kuma daga mahangar fasaha.
Muna raba hotuna
Bugu da kari, babban fa'idar wayoyin komai da ruwanka da iOS gaba daya shine yawan aikace-aikace don gyara hotuna da saurin raba su da sauri, wanda iOS da kanta ke ci gaba da haɓakawa da haɓakawa. Sakamakon shi ne cewa hoton daga iPhone yana shirye kuma an raba shi a cikin 'yan mintoci kaɗan, yayin da tafiya daga kyamarar SLR zuwa cibiyoyin sadarwar zamantakewa yana ɗaukar sa'o'i da yawa (ciki har da tafiya gida da sarrafawa). Sakamakon sau da yawa suna kama da juna.
The ginannen app a iOS ne quite m a kan kansa. Don ƙarin masu amfani masu buƙata, an sake samun babban rukunin aikace-aikacen da ke nufin ƙarin masu amfani da ke da babban kewayon zaɓuɓɓuka. Aikace-aikacen yana ba da tabbas mafi yawan dama PureShot, wanda muke shirya muku sharhin. Sannan muna da saitin aikace-aikace na biyu da ake akwai don gyaran hoto. Rukunin daban shine aikace-aikacen da ke goyan bayan ɗaukar hotuna da gyara na gaba - alal misali, kyakkyawa Kamara +.
Wataƙila iyakance kawai na iPhone shine mayar da hankali… wato, ikon mayar da hankali da hannu. Akwai hotuna lokacin da in ba haka ba mai kyau autofocus ya kasa kuma ya kai ga gwanintar mai daukar hoto don "ketare" iyakokin kuma ɗaukar hoto. Ee, da na ɗauki hoto mafi kyau tare da ƙaramar amo tare da SLR da macro ruwan tabarau, amma lokacin kwatanta iPhone da ƙaramin kyamarar "na yau da kullun", sakamakon ya riga ya kusanci sosai, kuma iPhone yawanci yana cin nasara saboda ikon iyawa. aiwatar da raba hoton nan da nan.
Da kaina, ina tsammanin ya wuce kima don kwatanta ƙwararrun mai daukar hoto tare da iPhone VS mai amfani mara ƙware tare da ƙwararrun kyamarar SLR. Idan wani ya sayi SLR na ƙwararru tare da ruwan tabarau mai inganci, ba mafari ba ne, amma aƙalla. mai son wanda zai sami 100x mafi kyawun hotuna fiye da ƙwararren mai daukar hoto mai iPhone. Ba don komai ba ne na yi zanga-zangar a ɗaya daga cikin mujallun masu daukar hoto cewa ya kamata su yi amfani da iPhones maimakon SLRs kuma suna jin kunyar aikinsu. Duk wanda ya ga kwatancen hotuna daga rahoton iP VS SLR ya san sosai yadda ingancin ya ragu da sauri. A cikin bidiyo a cikin labarin, mai daukar hoto ya sami iPhone don daukar hoto, amma ba a hana shi yin amfani da kayan aiki masu tsada na ɗakin studio ba, ciki har da kyakkyawan samfurin: D Ina mamakin yadda zai yi idan ya dauki hotuna da dare kawai. a karkashin wata da taurari - da kyau, wannan zai zama mummunan sakamako ;-)
A waccan mujalla, ba masu daukar hoto ba ne editoci ne ke tsawatar musu da daukar hotuna da wayar iPhone saboda mai daukar hoton ya jefar da mujallar. Na san da yawa 'yan koyo waɗanda suka sayi kyamarori SLR masu tsada sosai kuma hotunansu sun fi waɗanda aka ɗauka tare da iPhone.
Har yanzu ina tsaye kusa da nawa, cewa kwatancen ba su da hankali kuma ina manne da wuce gona da iri. Maganar da ta dace a cikin wannan yanayin: Duk wanda yake so ya doke kare zai sami sanda koyaushe.
Lens ɗin da nake amfani da shi shine don harbi wasanni, inda mai daukar hoto ya tsaya daga nesa mai nisa kuma yanayin hasken bai dace ba -> iP a hannun ƙwararren VS Nikon D600 a hannun mai son tare da harbe-harbe a jere.
Bambanci? Abyssal a yarda da mai son. Ana iya samun Hul koyaushe ;-)
Don haka a, yana da ɗan sama sama, amma ba da yawa ba. Na sadu da mutane da yawa da kayan aikin hoto don 100000 da ƙari, amma ba tare da ƙaramin sani ba. Ee, ba su da yawa (idan ban ƙidaya masu yawon bude ido na Japan ba), amma suna can.
In ba haka ba, mai daukar hoto na bidiyo ba zai harba abubuwa da yawa tare da kyamarar SLR ba tare da hasken studio ko dai. ƙwararriyar ba za ta ɗauki aikin da aka biya tare da wayar hannu ba (idan ba a biya ta mai sana'ar wayar ba), amma a gaba ɗaya yana yiwuwa kuma yawancin masu daukar hoto a cikin lokacin su na kyauta sun tabbatar da cewa yana yiwuwa :)
amma yana da ƙarin game da gaskiyar cewa mai zuwa ya shafi: "mafi kyawun kyamara shine wanda nake tare da ni" - kyamarar SLR a gida yana da amfani sosai a gare ni ... kuma ina da wayar hannu tare da ni kusan kowane lokaci: )
Yana da ban sha'awa jin waɗannan kalmomi, misali, daga mai daukar hoto wanda, a wasan karshe, yana so ya sayi Canon 5D Mark III maimakon Mark II, wanda ya mallaka a asali.
Demagoguery zuwa nth :-) A nan kuma wani yana ƙoƙarin gaya mana cewa hotuna iPhone suna daidai da hotuna daga kyamarar hoto. wayar hannu ba za ta taba samun na'urar gani ba, diamita na ruwan tabarau da girman guntu kamar yadda kyamara ke da shi. TABA.
Kuma daga aikace-aikacen manufa ɗaya zuwa zaɓin nau'in tasiri mai sauri, gyara akan PC yana ƙarewa. Jumlar da ta fi damun ni ita ce wannan jumla: "Sau da yawa sakamakon yana kama da kamanceceniya, don haka idan kuna da aiki mai yawa a hannunku da kanku, gyara a kan kwamfutar ba zai cece ta ba, wannan gaskiya ne. kuma ko da wani super-sanyi na da sakamako daga wasu wawa app ba zai ajiye shi. zai zama hoto ne kawai. watau app kamar Kamara+ ba zai taɓa yin kama da Aperture ko Photoshop kawai ba.
Kawai. Ba dan wasa daya ba ne, ba ma wasa daya ba. Wannan wasa ne daban-daban! Abinda kawai na sani shine don ɗaukar hoto na sirri, inda za a kore ni da kyamarar SLR, ba zan iya ɗaukar shi zuwa bakin teku ba, da sauransu, ko kuma don gaggawar da nake so in raba cikin sauri akan yanar gizo. album na ƙarshe, amma zan so shi daga kyamarar SLR, ba zan yi magana game da hakan ba.
An hana ku a bakin teku tare da kyamarar SLR? Tabbas na kasance a cikin ƴan shekaru kafin in ci karo da wannan haramcin. A gare ni, hoton gaggawa shine wannan -> don ɗaukar hoto na ƙofar mota da ta karye, i, iP yayi aiki da kyau don wannan dalili.
Ee. Kuma 640 KB na ƙwaƙwalwar ajiya dole ne ya ishe kowa... ;-)
IPhone 5 kuma gabaɗaya mafi kyawun wayoyin hannu na iya ɗaukar abubuwa iri ɗaya a hannun mai son a matsayin ƙanƙanta na yau da kullun. Mai amfani na yau da kullun ba ya yin harbi a cikin RAW, baya wasa tare da buɗe ido da zurfin filin, kuma ƙuduri da matakan hayaniya yawanci sun isa don dalilai irin wannan mai amfani (raba akan FB, imel ɗin imel, wasu gabatarwar yanar gizo, wasu ƙananan-tsara hoto). Don haka, ko da yana da kyau a yi al'aurar a kan ingancin SLR, gaskiyar ita ce, don irin wannan "amfani da gida ta mai amfani na yau da kullun" wayar da ke ɗaukar hotuna masu kyau ita ce cikakkiyar madaidaici. A gaskiya ma, ingancin abin da ke fitowa daga wayoyin zamani ya fi kyau (idan na yi watsi da zurfin filin) fiye da, alal misali, daga kyamarori na fina-finai na ƙwararru a lokacin da Leica ta yi suna, kuma duk da cewa har yanzu muna sha'awar hotuna. daga wadancan inji. Ina faɗin wannan tare da cikakken alhakin kuma a matsayina na wanda ke ɗaukar hotuna tare da su.
Tare da babban kyamara, mutum yana samun ingancin hoto, amma yana sadaukarwa mafi mahimmanci sigogi ga mutane da yawa - shirye-shirye, samuwa da sauƙin amfani. Kuma zaɓin ba shine tsakanin samun hoto mai inganci da hoto mai ƙarancin ingancin fasaha ba, amma tsakanin ɗaukar hoto ko ɗaukar hoto kwata-kwata.
Ko da yake ina da Hasselblads da sauran matsakaicin tsari a gida, Leicas, MarkIIs tare da tarin ruwan tabarau na L, Ina ɗaukar mafi yawan hotuna tare da iPhone kawai saboda yana kusa lokacin da nake buƙata ... ko da yaushe ... ba kawai lokacin da nake bukata ba. Ina tsammanin a gaba cewa zan dauki hotuna YANZU. Ingancin hoton shine kawai batun fasaha na daukar hoto da ɗan aiki kaɗan.
Eh kayi gaskiya. waɗancan sakin layi biyu sun ƙunshi ɗan tunani na asali. te yarda da shiri. kuma a, virtuoso na iya buga ko da mugun kayan aiki. Babu shakka game da shi.
Kuna rubuta game da ƙwarewa gami da ingancin hoto sannan kuna da Mark II, wanda gaba ɗaya ya sabawa.
Wataƙila kuna rashin lafiyan labaran irin wannan.
> "A nan kuma wani yana ƙoƙarin gaya mana cewa hotunan iPhone daidai suke da hotuna daga kyamarar hoto".
Na karanta labarin gaba dayansa kuma babu abin da ya same shi. A ra'ayina, marubucin ya taƙaita abin da za a iya yi da wayar hannu da kuma menene ainihin fa'ida da rashin amfaninta.
Ina tsammanin kowane mai hankali zai fahimci cewa wayar hannu ba za a iya kwatanta ta da DSLR ba. Amma wayoyin hannu na zamani sun riga sun isa su ɗauki hoto mai kyau tare da su - don amfani da yau da kullun a gida, a kan tafiye-tafiye ... Kuma na yarda da ra'ayin cewa hoto mai kyau ya fi ɗaukar hoto.
mafi kyawun kyamara koyaushe shine wanda kuke tare da ku lokacin da kuke buƙatar ɗaukar hoto… yawanci ba dslr ba ;o)
Mahimmin mahimmanci ga ingancin fasaha na hoto shine girman jiki na guntu tare da ingantattun na'urorin gani. Yawan pixels yakamata ya zama daidai da girman guntu na zahiri.