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"Helios" - ruwan tabarau ga harbi m

"Helios" - ruwan tabarau cewa zo a cikin wannan dijital shekaru film lokaci. Kwatanta su dalla-dalla tare da yi na zamani kimiyyan gani da hasken wuta ne kawai ba daidai ba, domin da fasahar ne gwamnatin hanzari. Duk da haka Soviet ruwan tabarau da da fara'a, kyale su su lashe fiye da mafi Fans, ba kawai a cikin tsohon Tarayyar Soviet, amma kuma kasashen waje. Zai yiwu dabino rike da sanannun iyali na "Helios". Ruwan tabarau ne cikakke ga experimenters masu daukan hoto, masu daukan hoto, artists, son kome sabon abu. Amma saboda da dama siffofin su ne kamar wuya ya zama da amfani a wani rahoto.

Lens "Helios-44-2": Tarihin da maya haihuwa sune

Da zarar ruwan tabarau ya kasance da na kowa. Su ne sau da yawa kunsasshen tare da "Zenith" reflex kamara. Soviet yan koyo yin fim da shi bukukuwan aure da kuma anniversaries, hotuna, har yanzu lifes da shimfidar. Saboda da kantin daga cikin mazan zamani zuwa yau tsira da wata babbar yawan Soviet kimiyyan gani da hasken wuta, shi ya dace don amfani. Wani ruwan tabarau gada daga ubansa sha'awar m ko kakan. Kuma wani da suka samu a sakamakon dogon search. A cikin wani hali, mai shi zai yi don samun ko da wani musamman adaftan. Za ka iya samun shi a wani sashen fotooptiki. Dace da wannan adafta don da yawa daban-daban ruwan tabarau, sanya a cikin tarayyar Soviet. Yana da hadari a ce da ruwan tabarau "Helios-44-2" yana fuskantar wani biyu matasa.

"Helios" a Figures

A 'yan bushe facts game da "Gliose-44-2" to taimake ka samu msar tambayar ilmi. Amma don gane da yadda yake aiki, za ka iya kawai gudanar da aiki. Saboda haka, "Helios" ta kawar da hankali tsawon 58 mm (da 87 mm a cikin Manoma). ta Tantancewar tsarin kunshi 6 abubuwa (4 kungiyoyin). Budewa yana 8 petals, kuma da darajar za a iya canza a wani fanni daga 2 zuwa 16.

"Helios" a cikin high-tech duniya

Rashin iyawa to AF, in mun gwada nauyi, manual budewa iko - Manuniya, daga abin da dadewa rasa touch tare da zamani daukar hoto. Kamar yadda ingancin hoton, shi ne ya kamata a lura da sharpness fairly suna fadin a kwatanta da misali kimiyyan gani da hasken wuta, Nikon, Canon, Sigma. Bugu da kari, budewa rabo "Helios" ba haka high, da kuma gefuna da firam ne wani lokacin yiwu vignetting ko fiye low sharpness.

musamman da fara'a

Saboda haka abin da janyo hankalin zamani masu daukan hoto? A farko wuri cewa da farko duba iya ze kamar hasara! Amazing taushi launuka da cewa "fa, tã yi", "Helios", da manyan masana'antun da ruwan tabarau ne da kamar wuya a iya ba ba tare da wani heap ƙarin saituna ko launi gyara a cikin edita. A duban farko, da low sharpness qara da hakan dabi'u na f 4, da kuma wani lokacin shi ya zama mai blur mayar da hankali firam. Amma babban alama na "Helios" - shi ne, ba shakka, bokeh. Truncated poluovaly saba wa duk masoya na harbi. A baya, Heart, unusually nada, annashuwa, kyale sharper haskaka da batun da kuma sa kowane frame musamman da ba maras ban sha'awa. Domin wannan, da kuma masu daukan hoto kamar "Helios" - ruwan tabarau, kyale to play kuma gwaji, sami m effects ya halicci musamman images.

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