Lens "Fisheye" - a real romance hotuna

Ma'adanin na daukar hoto yana da yawa ban sha'awa da kuma sabon abu mafita da kuma dabaru da ba ka damar ba kawai daidai kuma da kyau nuna duk kyau na duniya, amma kuma don ƙirƙirar real Masterpieces. Wasu daga cikin su ne don haka m da kuma ban mamaki cewa kama aljanna sihiri hoto. Amma hakikanin art - ba don canja image bayan fitarwa, amma kawai don ba shi da wani musamman fara'a da kananan dabaru.

Lens "Fisheye" - shi ne mai ban mamaki samu duka biyu yan koyo da kuma kwararru. Yana yana da wani matsakaicin kwana na view - 180 °, da kuma murdiya wanda yake ba a lokacin da harbi, samar da wani ban sha'awa da kuma asali sakamako.

The manufa haƙiƙa na aikin, iri-iri

Sunan da ruwan tabarau "fisheye" samu a 1906. Robert Vud ce cewa kamar hoto tare da taimakon, kifi ganin duniya ta surface daga ruwa. A irin wannan hoto mun ga a cikin peephole. Murdiya (murdiya) auku sosai karfi, kawai wani karamin yanki a tsakiyar wani fiye ko žasa dace da ainihin duniya sigogi. Mun yi amfani da shi kafin a meteorology, kawai a ga dukan wani sarari suKe Sphere.

Yana da ban sha'awa cewa yanzu wannan ruwan tabarau da ake amfani a kimiyya ayyuka, sa'ad da akwai bukatar a kara matsakaicin Viewing kwana. Kuma ga yan koyo ya kasance mai ban mamaki find, wanda za a iya amfani da su haifar da asali shimfidar ko gine-gine da aikin, funny hotuna da yafi.

Lens "Fisheye" yana da biyu daban-daban. A farko daga cikin wadannan da aka kira madauwari ko madauwari. Yana bada cikakken hoto na wani da'irar, da samar da ainihin image. A kwana na hangen - 180 °. Amma, a gaskiya, shi aiki da wannan hanya kamar yadda sauran ruwan tabarau, kamawa kawai rabo daga haska - wani murabba'i mai dari da za su dace a cikin diamita da ruwan tabarau. Wannan murabba'i mai dari, sa'an nan kuma ya zama wani madauwari image. Kullum nuna irin wannan shirin na'urorin haɗi a 35 mm format. Su mai da hankali tsawon - 8 mm.

Abin da kuma zai iya zama abu na "kifi-ido"? Zabi na biyu da aka kira a diagonal ko cikakken-frame ruwan tabarau. A wannan yanayin, dukan haska yankin, da kuma kwana na view ne 180 ° kawai diagonally. Horizontally shi ne kamar 147 °, da kuma vertically - 95 °.

Share da iri ruwan tabarau wajen sabani - shi duka ya dogara da abin da wani ɓangare na haska amfani. Saboda haka, da sakamako daga cikin misali "fisheye" Ruwan tabarau na iya bayar da wani irin bambancin zai zama kawai a girman da Na'urar haska. Wašannan nau'urorin ne quite tsada, da kuma wani lokacin da suka yi kokarin maye gurbin sauki converters. Converter aka sawa a kan talakawa ruwan tabarau, da cika fuska canza ta kwana. Su ba ka damar yin manyan format images a kan wani kyamarori. A wannan yanayin, don haka da cewa image quality yana da kyau, wajibi ne a yi nazarin a kananan diaphragm.

Yadda za a cire ruwan tabarau "Fisheye" - asali rubuce-rubuce da hotuna

A babban da na da irin wannan ruwan tabarau - babu matsaloli tare da image mayar da hankali. hoton ne mai haske da ma'ana godiya ga manyan lamba yanki da haske. Jamhuriyar Lines (kwance, kuma a tsaye) ba ya canzawa.

A sakamakon "kifi ido" dubi ban mamaki a lokacin da photographing sama. A cikin gandun daji, tsakanin gidaje, ko kuma kawai sama kanta Dome za a iya cire tare da madauwari ruwan tabarau.

A fadi al'amari rabo ba ka damar daukar hotuna a kusa da gine-gine da abubuwa. Don hoton juya daga wani jitu, dole ne mu yi kokarin tsayar da ikon yinsa - to connect kwance ko a tsaye Lines tare da m tsarin abubuwa.

Funny hotuna ko kawai funny hoto samu ta hanyar harbi da ruwan tabarau "fisheye". A tsakiyar sashi daga cikin kalla gurbata, don haka shi ke inda ya sanya babban batu. Hudu kusurwa zones - yankunan iyakar murdiya.