Low haske: kayyade halaye da kuma matakan

Kalmar "zazzabi haske" ne aka yi nufi, ba shakka, ba na ainihi zafin jiki da kuma launi na haske, ko in ba haka ba - launi makirci na haske predominance na ja ko shudi a jere.

Me ake sanin

Yana da muhimmanci a san launi zafin jiki ga waɗanda suka yi aiki kai tsaye tare da hasken, misali, designers, da kuma masu daukan hoto. Kamar yadda babu daya kuma za su iya tabbatar da cewa da dama irin launi da haske iya gaba daya fasalin duk (zama shi wani mutum a wani frame ko ciki), kuma zuwa ganimar.

Ideal baki jiki

Haske Madogararsa zazzabi aka auna da darajõji Kelvin. Yana da aka lasafta ta Planck ta dabara: da yawan zafin jiki a wadda a baki jiki zai emit hasken guda launi sautin, kuma shi zai zama da ake so darajar.

Saboda haka, da definition launi zafin jiki faruwa ta hanyar kwatanta da ake so haske Madogararsa da baki jiki. Ban sha'awa juna: mafi girma da yawan zafin jiki na karshen, da mafi m, a cikin haske na blue bakan.

Gano da mafi sauki a yi: da launi zafin jiki na wani Lagwani fitilar tare da dumi fari haske - 2700 K, da kuma mai kyalli fitila na hasken rana - 6000 K.
Me ya sa haka? A baki jiki za a iya kwatanta su da baƙin ƙarfe, wanda aka kona shi a cikin ƙirƙirãwa. Dukanmu mun tuna cewa da karfe ja zafi, amma tare da har yanzu wajen low zazzabi, a ja haske, kuma sau da yawa samu a cikin adabi, da magana "fari-zafi" - wato, to mai yawa na zazzabi. Kuma baki jiki arfin hasken a cikin tsari na launuka daga ja, orange da fari, da kuma ƙare a matsayin fari da kuma shudi. Wannan shi ne, ƙananan da yawan zafin jiki na haske, don haka shi ne warmer.

wasu dabi'u

A bayyane bakan da tsanani jiki, wannan "ja-zafi" ƙarfe farawa a 800 digiri Kelvin. Yana rage, duhu ja haske. Yellow haske da harshen wuta da zazzabi sau biyu, daga 1500 zuwa 2000 K. The fitilu suna yawanci amfani a yin fim, ba fihirisa na game da 3250 digiri. A rana jinyar zuwa sararin sama, ya haskaka da zazzabi na 3400 K, da kuma zafin jiki da na hasken rana - kusan 5000 K. The launi zafin jiki na haske flash - 5500-5600 digiri. Fitilu da Multi-mai lebur phosphor, dangane da wake haske, suna records daga 2700 zuwa 7700 K.

ban sha'awa paradox

Saboda haka, kalmar "zazzabi" a nan hidima a matsayin launi determinant. A farko shi zai zama da wuya a samu amfani da gaskiyar cewa yawan zafin jiki na m blue sama (12 000 K) sau goma (!) Ya wuce da yawan zafin jiki na harshen wuta da wuta (1200 K). Kuma a cikin iyakacin duniya yanki na sama ko "warmer" - game da 20 000 K! hasken rana da zazzabi fluctuates lokacin da rana daga 3000 zuwa 7000 K.

Fa, tã da hankali ga gaskiyar cewa launi daban-daban suna da daban-daban haske tsanani, cewa an rarraba daban. M-zai ba da misali kyandir harshen wuta a kusa da kanta haskakãwa kawai sulusi da murabba'i na sarari, da kuma wani farin LED, wani yawa haske, amma za a iya kwatanta biyu m LED rawaya da fari launuka. Ko da yake ainihi daga cikin size da kuma iko, da rawaya LED dimmer da ja hasken wuta ko da muni.

gradation

Sau da yawa mun hadu da tabarau na wannan launi. A lighting fasaha ne da aka fi samun digiri fari: sanyi, tsaka tsaki da kuma dumi. A gaskiya ma, ko da irin wannan qananan canje-canje a cikin yanayi na gamma tasiri don haka m, kuma daidai da makami kamar mutum ido. Wadannan tabarau na fari shi ne ba kawai da daban-daban aika da launi hasken abubuwa, amma kuma nuna hali daban a daban-daban yanayin yanayi da kuma daban-daban da kewayon nesa da haske masaƙa.

All sama siffofin an dauki la'akari lokacin da samar da wani zamani manufacturer na daban-daban lighting na'urorin, amma ya fahimci bambancin da launuka, shi ne zama dole don gabatar da wani muhimmanci siga.

launi haifuwa

zafin jiki na haske kwararan fitila - ba kawai abu da ya kamata ka sani. Daya daga cikin muhimman hakkokin sharuddan a lighting fasahar - launi rendition. Lalle ne kowa da kowa ya ba kawai da tabbatar da cewa dangane da haske za mu iya gane daban guda launi. Eh, sunayen launuka - kawai wata yarjejeniya tsakanin mutane designate wani takamaiman kalma ko cewa mun gane zango. A gaskiya, mu ido bambanta game da miliyan goma daban-daban tabarau, amma mafi yawansu ba su muka gani a cikin rãna, hasken rana. Ya soma a matsayin misali.

Saboda haka, launi rendition, ko da mataki na] aukacin coefficient na launi, - wani layin haske Madogararsa ko ikon wuce misali launi daga cikin hasken abu kazalika a cikin hasken rana. Auna a Ra, kuma ya yi amfani da kalmar launi ma'ana daidai index - CRI, gidan rediyon CRI.

A misali yana da darajar da 100 Ra (ko CRI), da kuma ƙananan adadi da fitilar ko da fitilar, da ƙananan cikin halitta haske watsa abu da ya dafa.

A mafi kyau zažužžukan

Zazzabi, haske, zafi - mafi muhimmanci Figures a cikin ta'aziyya na wani dakin, don haka yana da muhimmanci a zabi da hakkin inuwa ga lighting. Zazzabi fitilu kuma LED hasken wuta tare da sanyi fari haske kolebretsya daga 5000 zuwa 7000 K Cool fari, kamar shi ne ake kira alamar masana'antun, yana da wani wajen low launi ma'ana daidai index, kawai game da 60-65, watau, a cikin wannan haske, idon mutum tsinkayen launi daban : tsammãninsu, kowa da kowa ya lura da yadda abubuwa canza a "m" kodadde blue haske. Duk da haka, shi ne dukkan inuwõyinta suna kusa, ya mafi girma bambanci rabo, sabili da haka, ba makawa a lokacin da kuke bukata lighting abubuwa da suke da duhu a launi (misali, rigar kwalta, ƙasa). Wani alama - ingancinsu a wani nisa nesa, duk da haka kullum inuwa "sanyi fari" ne amfani da fitila, masu dogon zango (kewayon rafi - game da 200 m).

A tsaka tsaki fari LED - tsaka tsaki fari - yana da zazzabi a cikin kewayon 3700 zuwa 5000 K CRI ta game da 75, da kuma inganta, idan aka kwatanta da sanyi wake launi a kan hanya a sama. Duk da haka, da kewayon da haske katako kasa, don haka fitilu tare da tsaka tsaki fari haske da wani da ya fi guntu nesa, amma mafi dadi ga idanu.

Da yawan zafin jiki dumi haske (dumi fari) - na daga 2500 zuwa 3700 K. A index of launi ko mafi girma, kusa da 80, amma cikin kewayon ne har yanzu kasa da tsaka tsaki bin. Duk da haka dumi da kuma tsaka tsaki tints da wani amfani a kan sanyi fari, idan ya cancanta a karkashin babban lighting hayaki, zafi (ruwan sama, hazo), kuma a karkashin ruwa, a lõkacin da ta ƙunshi dakatar (msl, a tafkunansu). A irin wannan yanayi, sanyi fari mafi hasken wuta ne ba abu da kanta, da kuma sarari da shi, ya kafa wani tube haske.

domin diodes

Idan Lagwani ko mai kyalli da yiwu a dakatar kawai a kan darajar da launi zafin jiki na LEDs ga kawai shi ne bai isa ba, don haka akwai wani abin da ake kira rabo a cikin bins. A diodes iya predominance na blue (kore) ko ruwan hoda inuwõyinta suna kusa, don haka idan kana bukatar karin haske kafofin, shi wajibi ne a zabi guda halaye. a kan wake rabo ya bambanta daga wasu kera, shi ya kamata a dauka a asusun idan, misali, a cikin ofishin, kana bukatar ka canza fitilar.

A takarda

Yawanci, da dumi launuka haske ne mai kyau domin samar da wani dumi, jin dadi yanayi. Ana amfani da a lighting na gidajen cin abinci, cafes, boutiques, a hotel lobbies, kazalika, a gidaje yankunan.

White haske ne mafi saba wa ido, shi ne dace idan kana so ka ƙirƙiri wani m, na kanka, amma aikin ba m yanayi. A wannan haske, mai kyau karanta, don haka wadannan fitilu suna shigar a cikin library, kazalika a Stores, kuma ofishin gine-gine.

Baruwan fari ya bada sakamako m, mai lafiya da sada yanayi. Bugu da kari ga ofishin sarari shi ne a yi amfani da nuni da dakunan da kuma wuraren sayar da litattafai.

Cold haske Halicci bayyanannu, tsabta da kuma m yanayi. Wannan shawara ga azuzuwa, manyan kantunan, asibitoci, ofishin sarari.

Mai kyalli da haske da zafin jiki na 5000 K mu haskaka da launi na abubuwa, da yanayi a cikin wannan haske ya bayyana haske da kuma dan kadan da damuwa. Irin wannan ɗaukar hoto zai zama ya dace a wani asibiti jarrabawa dakin, a cikin gallery, wani gidan kayan gargajiya da kuma kayan ado shop, yana da muhimmanci sosai a cikin wadannan yankunan da cewa mutum ido iya gane abubuwa a cikin halitta haske.

Photo da Video

Musamman da muhimmanci a san yawan zafin jiki na haske ga masu daukan hoto da kuma cameramen, kazalika ga mutane zanimayuschihya gyara na hotuna da kuma bidiyo. Tun da sanyi haske kyamara daukan duk abin da a m haske, shi dole ne a yi la'akari da kara aiki.

A sau shi ya fi da wuya a fim. Korau da kuma zamewar bambance-bambancen karatu samar kawai ga harbi a hasken rana (game da 5700 K), ko da dumi rawaya haske (2500-2700 K, da ake kira vechernayaya film). Kawai a cikin wannan hanya shi yiwuwa a samu wani isasshen misali launuka ba tare da yin amfani da ƙarin gyara ko tacewa.

Masked korau launi fina-finan riga ta samar a karkashin talakawan zafin jiki na 4500 K.

A cikin dijital shekaru

A lokacin mu a cikin fim kusan babu daya daukan kashe. Modern dijital kyamarori ne a launi gyara saituna, shi na iya zama duka atomatik kuma manual yanayin. Wannan aiki da aka kira "fari balance." Zai fi kyau yi gyaran nan da nan a lokacin da harbi. Za ka iya daidaita shi, kuma a karshe fayil, amma wannan sau da yawa take kaiwa zuwa wani asarar quality, ba daidai ba nuni da launuka, kuma wani lokacin amo iya bayyana a cikin hoton. Shirya launuka ba tare da asarar quality mai yiwuwa ne kawai idan fayil aka rubuta a cikin dijital raw format (Nikon kyamarori - NEF).