Rapid harbi - Rapid. Film ko video harbi da wani mita na 32 zuwa 200 Frames da biyu. Professional videography

Express (rapidnaya) yin fim a mita mafi girma fiye da misali (24 f / s) da ake amfani da su haifar da sakamako na wani jinkirin motsi, wanda yake a cikin bukatar a tsinkaya na fina-finai, talabijin, video games, kimiyya cinema. Ana amfani da manufar kamawa wasa faru, domin wasa motsi layout abubuwa ko na halitta mamaki bisa ga ajalin sikelin. A kan allon da aka nuna wani kirkirarren slowdown harbi mamaki, kuma a wannan yanayin da viewer aka bai wa damar duba rikon lokaci matakai da talauci rarrabe sassa.

Features azumi harbi

Iri harbi:

• kara, ko Rapid-harbi (32-200 k / a) ne za'ayi da misali na'ura da kuma guga inji intermittent motsi na fim.
• a high-gudun harbi 200-10 tare da wani mita na 000 zuwa / daga tabbatar da ci gaba da uniform motsi fim da na gani, kuma lantarki magudi hanyoyin da haske. Kara shoot suna hannu daga wani motsi abin hawa da masu sana'a ko mai son al'ada na'ura tare da wani Extended mita iyaka da ake bukata domin image kwanciyar hankali.

kinosomok Technology zama kusan canzawa tun shekarar 1955 shekara, banda shi ne halittar wani lantarki rufe, amma image yanzu gyarawa ba a kan fim da kuma a kan jerin dijital matrices, ta haka ne na tabbatar da ganin wata frame kudi na miliyan 100 da biyu.

Degree na hanzari da aka iyakance zuwa kamara da irin wannan tsarin. Ga mai son kayan aiki ne halin da kara harbi - 64-72 f / s, ga sana'a - to 360-600 / s. Modern kyamarori sami damar samar da wani mita 200 / s tare da sauka a hankali karuwa a domin ya sami wani musamman sakamako kashe kudi. Idan kana so ka more hanzari, sa'an nan koma ga sarrafawan Frames a kan film.

frame Rate

Akwai iri daban-daban da harbi a kimiyya da kuma aiyuka Cinematography, musamman ga karatu na wucewa mamaki da kuma matakai. Daya daga cikinsu shi ne wani babban gudun, ko Rapid-shot, a wata mita fiye da 250 Frames da biyu, wanda damar dauka matakai m ji na mutum ido saboda short tsawon high gudun ko mamaki.

Yawan bincike wuraren iya sun hada da:

• motsi halittu masu rai: da firam kudi ne daga 100 zuwa 300 K / s, tsantsa - 1/1000.
• aiki sunadaran (1-10000 k / s).
• halaka da kuma fashewar (10-100 dubu k / s).
• gas buga kalaman (100,000 - 1 da miliyan da / s).
• lantarki sallama (10-100 miliyan f / s) da kuma kamar.

fasaha dabaru

Tare da dama yanayi, da fadi da kewayon hardware da kuma mita bambancin, zai yiwu sana'a videography na high quality wurare. High fasahar kayan aiki a Baya ga daidaitattun image aiki inji ma ma'aikata Tantancewar boosters, sauri-saki fasteners, lantarki da kuma Tantancewar transducers.

A high-gudun photographing ne da za'ayi yawanci ta pulsed haske kafofin (sallama fitilu, haske kafofin ayukan iska mai ƙarfi, walƙiya gibba da iska tazara).

Chronophotography - tsaka-tsaki tsakanin photo-imprinting Hanyar da kuma yin fim mamaki a jere bulan amfani da wani juyawa tsaguwa rufe. A sakamakon images ana laminated a kan juna da kuma ake hada a cikin guda tef. A Hanyar yana amfani da wani m motsi daga cikin abu. Musamman effects samar da wani bude ruwan tabarau tare da wani flash haske.

Hanyar for high-gudun yin fim

1. Imprinted a kan yayyanke motsi film ne da za'ayi a wata mita 600 / s amfani da wani inji film kai tsarin.
2. More cranking a mita na 1000 / s an aiwatar da amfani pneumatic na'urorin ko film motsi saboda na roba hinges cewa an kafa domin film tashoshi.
3. motsi photosensitive kayan ana amfani da su cimma hakan mitoci.

Blur sakamako na m canje yiwu tare da hijirar na cikin fim dangi zuwa ga abu a cikin wadannan hanyoyi.

lantarki sharuddan sauyawa

A Hanyar cikin abin da tsaguwa ne da yanke obturators domin iyakance sau na daukan hotuna. Domin mafi guntu lokaci frame biya diyya dangi da na gani image bata wuce halatta blur negativity. Yana bukatar intermittent haske bugun jini bursts (10-7 tsawon wata biyu), ko cirewa ma'aikata connector bawul obturator kamar, amma na iya maimakon zama wani kankanin tsaguwa daraja (daya ko dama).

Tantancewar sharuddan sauyawa

Idan cranking har yanzu image ya shafi wani gwada uniform motsi na fim, shi wajibi ne, domin su kau cikin kewayon daukan hotuna biya diyya dangi da image svetovospriimchivogo abu da motsi da haske na nuna Tantancewar tsarin aiki a gudun da kuma a cikin shugabanci na film motsi.

Don yi Tantancewar diyya madubi polyhedron kwat da wando, wani gilashi farantin ko a Prism a motsi. A size da kuma matsayi na na gani kashi kamata tabbatar da cewa mikakke kawar da motsi na da Frames. Film tsiri ya kamata a sanya a kan surface na polyhedron a wani musamman tashar movie. A Hanyar da ake amfani da low-iya aiki tafiyar matakai.

A iyaka a mafi girma mitoci elektrokommutatsii iyakance yiwuwar rage tazara tsakanin filasha, da kuma lokacin da na gani - gudun juyawa daga cikin bawul Disc da diamita.

inda hakan ya tsinkaya

Domin a gani allo duba jinkirin motsi da aka yi amfani da, kamar yadda yake zai yiwu tare da ƙara mita na yin fim, kuma a lokacin deceleration motsi na fim a majigi. Rashin kyaunta shine cewa a bayyane discontinuity, da kuma wasu high-gudun matakai kullum sauke daga wurin, boye tsakanin Shots yin fim a lokacin da harbi. Idan deceleration ne fiye da 1 f / s, a zanga-zanga image kama a nunin faifai. Saboda haka, an tilas slowdown ƙara maye gurbin azumi harbi.

Modern dabaru na yin fim

1. Modern kyamarori sanye take da wani lantarki tabbatar da dorewar tsarin, duk da haka ingantaccen overcranking halitta da goyon bayan daidaitacce tsawon, "monopod" don samar da image kwanciyar hankali ba tare da girgiza.
2. Tsaye abubuwa da kuma a kaikaice frame bangarorin ya zama a layi daya.
3. Irin wannan hanyoyin da video fim, kamar yadda wani canzawar kusa-up da kananan da kuma matsakaici, suna dauke da kyau style. Sverhupotreblenie scalability gajiya da viewer, don haka yana da mafi alhẽri wani lokacin da ta dakatar da yin rikodi, yin fim fassara zuwa mutuža zama dole, sa'an nan a ci gaba.
4. A ganiya duration ga ji na mãkirci aka dauke su game da daƙiƙu 5, matsakaicin - 12 don adana da liveliness da kuma aiwatar da fim.
5. White Balance saitin a wani artificially lit dakin bada shawarar da za a yi da hannu.
6. A sararin sama line - ba na karshe alama da ke bambanta wani kwararren video: shi ya kamata faru a matakin tsakiyar viewfinder line ko dan kadan a sama. Mahalli a cikin abin da babba rabo daga frame samaniya sarari shagaltar da 2/3, da irin ƙarfin lantarki gane.
7. Don sa Frames na girma na matsakaici da kuma manyan size gaban ruwan tabarau za a iya sanya duk wani batu, mugun wayo samar da wani hoto na da zurfi da sikelin da image.
8. Lokacin da ka zaɓi kamarar kwana harbi kamata la'akari daban-daban ra'ayoyi, za a hayin stereotypes, misali, nuna wani abu daga cikin masu sauraro da kuma "mahukunta", kazalika ta hanyar da idanu na wani waje Kiyayewa. Kuma kowane mataki na afareta - wani sabon milestone a cikin gwaninta da kuma sabon samu kiwata ta matakin.

Ya kamata mu ma ambaci sana'a xa'a: A lokacin manyan abubuwan da suka faru ba su da yawa Vantage maki, wanda su dace da cin nasara harbi, don haka ya kamata ka kula da dukan zama dole yanayi a gaba.