Menene aLens Fisheye? Wani nau'in ruwan tabarau shine nau'in ruwan tabarau na kyamara wanda aka tsara don ƙirƙirar kewayon yanayi, tare da ƙaƙƙarfan murdiya. Gashin kare 'yan leda na iya kama wani musamman fili mai zurfi na ra'ayi, sau da yawa har zuwa digiri 180 ko fiye, wanda ya ba mai ɗaukar hoto don kama babban yanki na abin da ya faru.

Lens fisheye

Ana amfani da ruwan tabarau na Fiseye bayan takin karkara, wanda ke haifar da hoton madauwari ko ganga mai siffa wanda zai iya yin ƙara ƙari da salo. An haifar da tasirin murfi ta hanyar da ruwan tabarau sake haskaka haske yayin da yake wucewa ta hanyar abubuwan gilashin tabarau na ruwan tabarau. Ana iya amfani da wannan tasirin masu daukar hoto don ƙirƙirar hotuna na musamman da na ƙonewa, amma hakanan kuma zai iya zama iyakancewa idan ana son hoto na ɗabi'a.

Lenseye ruwan tabarau ya zo a cikin nau'ikan daban-daban, gami da madauwari masu tsalle-tsalle, da ruwan tabarau na fises, da cikakken frame-fieniye ruwan tabarau. Kowane ɗayan waɗannan nau'ikan ruwan tabarau na Fishye yana da halaye na musamman kuma ya dace da hoto iri daban-daban.

Ba kamar tabarau mai murƙuru ba,Lenseye ruwan tabarauba su da cikakken hali ta hanyar tsayi da kuma aperturu shi kadai. Angnogarin Duba, diamita na hoto, nau'in tsari, da kuma firikwenor ɗaukar hoto duk waɗannan sun bambanta da waɗannan.

Nau'in amfani da tsari

Laifa Fisanoye

Na farko nau'in ruwan tabarau na Fiseye wanda aka kirkira "Laifa" ruwan tabarau wanda zai iya ƙirƙirar hoton madauwari tare da filin digiri 180. Suna da gajeren tsawon tsayi, yawanci suna kama daga karfe 7mm zuwa 10mm, wanda yake ba su damar ɗaukar wani yanayi mai matukar muhimmanci game da yanayin.

Circle fisheye lens

Haske na Fisheye an tsara shi don samar da hoto madauwari akan firikwensin kamara ko jirgin saman fim. Wannan yana nufin cewa hoton da sakamakon yana da siffar madauwari tare da iyakokin baƙi da ke kewaye da yankin madauwari, ƙirƙirar musamman "Tasirin Kifigl". Sasanninta na hoto na fisheye hoto zai kasance baki daya. Wannan baƙar fata ya bambanta da masu ba da labari na ruwan tabarau na reshe kuma seti a kan kwatsam. Za'a iya amfani da hoton madauwari don ƙirƙirar abubuwa masu ban sha'awa da mahalarta. Waɗannan suna da 180 ° Vertical, a kwance da kusurwar kusurwa. Amma hakanan kuma zai iya zama iyakancewa idan mai daukar hoto yana son tsarin kusurwoyi na rectangular.

MadauwariLenseye ruwan tabarauAna amfani da amfani da shi a cikin ɗaukar hoto da hoto mai zurfi, kamar a cikin daukar hoto na gine-ginen, ba ɗaukar hoto, da kuma ɗaukar hoto na wasanni. Hakanan ana iya amfani dasu don Aikace-aikacen kimiyya da fasaha inda ake buƙatar ra'ayoyi masu yawa, kamar su a cikin ilmin taurari ko microscopy.

LEAGONAL FISHEDEY (Anka cikakken-firam ko rectangular)

Kamar yadda ruwan tabarau na fisheye ya sami shahara a gaba ɗaya hoto, kamfanonin kamara sun fara samar da ruwan tabarau tare da hoton hoton da ke kara rufe dukkan firam na rectangular. Ana kiransu diagonal, ko kuma wani lokacin "rectangular" ko "cikakken-frame", fisheyes.

Lensenan ruwan tabarau na diagonal nau'ikan ruwan 'ya'yan itace ne wanda zai iya ƙirƙirar ɗimbin kusurwa mai ɗorewa tare da digiri na biyu zuwa 190, yayin da aka yi wa digiri na kwance da na tsaye, yayin da ake kallonsu a tsaye. Wadannan ruwan tabarau suna fitar da ingantaccen gurbata da ƙari, amma ba kamar madaurin disheye ba, sun cika dukkan tsarin firam na firikwensin kamara ko jirgin saman fim. Don samun sakamako iri ɗaya akan kyamarorin dijital tare da ƙananan masu son su, ana buƙatar gajeriyar tsawon tsayi.

Murdiya ta tasiri game da diagonalLens FisheyeYana haifar da kallon na musamman da ban mamaki wanda za'a iya amfani da shi ta hanyar daukar hoto don neman hotuna masu tsauri da kuma hotunan ido. Mahimmawan da aka dafa na iya haifar da kwanciyar hankali da motsi a cikin yanayin, kuma ana iya amfani dashi don ƙirƙirar m da mika wuya.

Lens diagonal disheye

Hoton hoto ko crosped-clecle tabarau

Cropped-da'iraLenseye ruwan tabarauWani nau'in ruwan tabarau na Fishye ne, ban da madauwaye madauwari da cikakkiyar ruwan tabarau wanda na ambata a baya. Wani tsaka-tsaki tsakanin diagonal da kuma fisaye madauwari kuma madauwari ya ƙunshi hoton madauwari don nisa na fina-finai maimakon tsayi. A sakamakon haka, a kan kowane tsarin flage fim, za a yaye hoton hoto a saman da kasa, amma har yanzu yana nuna gefuna baki a hannun hagu da dama. Wannan tsari ana kiransa "hoton hoto" Fisheye.

Croped-Crairken Fisheye

Waɗannan ruwan tabarau galibi suna da tsayin daka kusa da 10-13mm da filin ra'ayi game da digiri 180 akan kyamarar mai firam.

'Ya'yan wuta na Fisheye-Crairs fisayes ne mafi ƙarancin zaɓi idan aka kwatanta da cikakken' yan tsakar-tsaren Fisheye, kuma suna ba da hujja na musamman tare da sakamako na murdiya.

Lenseenan ruwan tabarau

Kyatattun bayanai na dijital, musamman idan aka yi amfani da su azaman kyamarorin tsaro, galibi suna samun ruwan tabarau na fisye don ƙara ɗaukar hoto. Lensesan ruwan tabarau na miat, kamar ruwan tabarau na M12 da M8 Fiseye Univemears Sensor da aka yi amfani da su sun haɗa da 1/4 ", 1/3", da 1/2 " . Ya danganta da yankin da ake aiki na hoto firikwensin, ruwan tabarau iri ɗaya na iya samar da hoton madauwari a kan mafi girman kayan hoto mafi girma (misali 1/2 "), da kuma cikakken tsarin a kan ƙaramin (misali 1/4").

Hotunan Samfura da Chanctv's M12Lenseye ruwan tabarau:

Hotunan Samfura da Chanctv's M12 Fisheye Lenseye-01

Hotunan Samfura da Channetv's M12 Fisheye Lenses-02

Hotunan hotunan Chanctv da aka kama ta M12 Fisheye Lenseye-03