Ceev ceev shooting - Ceev ceev. Zaj duab xis los yog video shooting nrog ib zaus ntawm 32 mus 200 ntas ib ob. Kev videography

Qhia (rapidnaya) filming ntawm ib zaus ntau dua li cov txheej txheem (24 f / s) yog siv los tsim cov nyhuv ntawm ib tug qeeb tsab ntawv tsa suab, uas yog nyob rau hauv coob nyob rau hauv lub projection ntawm films, TV, video ua si, kev xinesmas. Nws yog siv rau lub hom phiaj ntawm capturing ntaus pob ncaws pob txheej xwm, rau cov ua si suab layout ntsiab los yog tej yam ntuj tso phenomena raws li ib tug set lub sij hawm teev. Nyob rau qhov kev tshuaj ntsuam no yog muaj ib tug xav txog tej yam slowdown txhaj koob tshuaj tivthaiv phenomena, thiab nyob rau hauv rooj plaub no tus tuav yog muab lub sij hawm mus xav txog interim theem dab thiab tsis zoo distinguishable qhov chaw.

Nta ceev shooting

Hom ntawm shooting:

• ceev, los yog Ceev ceev-shooting (32-200 k / a) yog nqa tawm los ntawm standard apparatus thiab thoob mechanism sib quas ntus zog ntawm zaj duab xis;
• ib tug high-ceev shooting 200-10 nrog ib zaus ntawm 000 mus / los ntawm ensured nruam niaj hnub tsa suab zaj duab xis nrog kho qhov muag thiab hluav taws xob manipulation txoj kev teeb. Accelerated shoot yog Handheld los ntawm ib tug tsiv lub tsheb muaj kev cob qha los yog pib xyaum ua pa apparatus nrog ib ncua ntau zaus yuav tsum tau rau cov duab stability.

kinosomok Technology nyob twj ywm yuav luag unchanged txij li thaum 1955 xyoo, tsuas yog yog cov creation ntawm ib tug hluav taws xob shutter, tab sis cov duab tam sim no tsau tsis nyob hauv zaj duab xis thiab nyob rau hauv ib theem zuj zus ntawm cov matrices, yog li kom ntseeg tau ib tug ncej tus nqi ntawm 100 million ib ob.

Degree ntawm acceleration yog tas rau cov koob yees duab los ntawm nws cov qauv thiab muaj zog. Rau pib xyaum ua khoom yog yus muaj los ntawm ceev shooting - 64-72 f / s, rau cov kev - mus 360-600 / s. Niaj hnub nimno cov koob yees duab muaj peev xwm muab ib zaus ntawm 200 / s nrog nws gradual nce nyob rau hauv thiaj li yuav tau ib tug tshwj xeeb cov nyhuv slew tus nqi. Yog hais tias koj xav tau ntau tshaj acceleration, ces resorted mus rau manipulation ntawm ntas rau zaj duab xis.

ncej Rate

Muaj ntau hom ntawm shooting nyob rau hauv scientific thiab applied Cinematography, tshwj xeeb yog rau cov kev tshawb fawb ntawm fleeting phenomena thiab cov txheej txheem. Ib tug ntawm lawv yog ib tug kev kub ceev, los yog Ceev ceev-txhaj koob tshuaj tivthaiv, nyob ib zaus ntawm ntau tshaj 250 ntas ib ob, uas tso cai rau thaij duab dab tsis cuag xaav ntawm tus tib neeg qhov muag vim hais tias ntawm lub luv luv ntev kev kub ceev los yog tshwm sim.

Cov nab npawb ntawm cov kev tshawb fawb chaw yuav muaj xws li:

• tsab ntawv tsa suab nyob beings: tus ncej tus nqi yog los ntawm 100 mus rau 300 K / s, Extract - 1/1000;
• lag luam mechanisms (1-10000 k / s);
• kev puas tsuaj thiab explosions (10-100 txhiab k / s);
• roj poob siab yoj (100,000 - 1 lab los ntawm / s);
• hluav taws xob paug (10-100 million f / s) thiab cov zoo li.

Kev tricks

Nrog ib tug ntau yam ntawm tej yam kev mob, ib tug ntau ntawm cov kho vajtse thiab zaus variations, tau kev videography siab zoo chaw. High technology khoom nyob rau hauv tas li ntawd mus standard duab ua mechanism kuj ntiav kho qhov muag boosters, ceev-tso fasteners, hluav taws xob thiab kho qhov muag transducers.

Ib tug high-ceev photographing yog nqa tawm feem ntau los ntawm pulsed teeb qhov chaw (paug teeb, lub teeb qhov chaw blasting, muaj kis nrog cua luv).

Chronophotography - intermediate ntawm tus yees duab-imprinting txoj kev thiab filming phenomena sib law liag theem siv ib yam txoj kab txiav shutter. Cov uas ua dluab yog laminated rau txhua lwm yam thiab yog ua ke rau hauv ib daim kab xev. Cov kev siv ib tug tas mus tsab ntawv tsa suab ntawm tus kwv. Cim los muab ib qho kev qhib lens nrog ib tug flash teeb.

Txoj kev rau high-ceev filming

1. Nraim hauv lub intermittently tsiv zaj duab xis yog nqa tawm ntawm ib zaus ntawm 600 / s siv ib cov neeg kho tshuab zaj duab xis thauj system.
2. Ntau cranking ntawm ib zaus ntawm 1000 / s yog DVR siv pneumatic pab kiag li lawm los yog zaj duab xis muaj vim elastic hinges uas tsim los rau cov zaj duab xis raws.
3. tsiv photosensitive ntaub ntawv no yog siv los mus tau ntau dua frequencies.

Plooj nyhuv ntawm successive transformations tau nrog cov xaav ntawm cov zaj duab xis txheeb ze rau tus kwv nyob rau hauv lub nram qab no.

hluav taws xob switching

Ib tug qauv nyob rau hauv uas lub txoj kab txiav yog txiav obturators rau limited lub sij hawm ntawm raug. Rau cov shortest lub sij hawm ntawm lub sij hawm ncej offset txheeb ze mus rau lub optical duab tsis pub dhau lub permissible plooj negativity. Nws yuav tsum tau sib quas ntus illumination mem tes bursts (10-7 ntev ntawm ib tug thib ob) los yog ntws los ntawm cov neeg ua connector valve obturator li, tab sis tej zaum yuav tsis yog ib tug me me txoj kab txiav thais (ib tug los yog ob peb).

kho qhov muag switching

Yog hais tias cranking tseem duab yuav ib tug kuj niaj hnub zog ntawm zaj duab xis, nws yog tsim nyog los neutralize lub ntau yam ntawm raug offset txheeb ze rau cov duab svetovospriimchivogo khoom los ntawm mus rau lub teeb kev kho qhov muag system khiav hauj lwm rau ib tug ceev thiab nyob rau hauv ib tug coj ntawm zaj duab xis lub zog.

Yuav kom siv kho qhov muag raug mob daim iav polyhedron ce, ib khob phaj los yog ib tug plaub nyob rau hauv tsab ntawv tsa suab. Qhov luaj li cas thiab txoj hauj lwm ntawm tus kho qhov muag lub caij yuav tsum xyuas kom meej tias cov linear xaav zog ntawm tus ntas. Zaj duab xis sawb yuav tsum tau muab tso rau hauv qhov chaw ntawm lub polyhedron nyob rau hauv ib tug tshwj xeeb channel movie. Cov qauv no yog siv rau cov uas tsis-muaj peev xwm dab.

Cov kev txwv ntau dua frequencies elektrokommutatsii txwv tau kom txhob muaj cov luv ntawm lub flashes, thiab thaum tus kho qhov muag - ceev ntawm kev sib hloov ntawm lub valve disc thiab nws txoj kab uas hla.

tseg projection

Rau ib tug yeeb yam tshuaj ntsuam saib slow suab yog siv, raws li yog tau nrog cov muaj zog zaus ntawm filming, thiab thaum lub sij hawm deceleration zog ntawm zaj duab xis nyob rau hauv lub projector. Lub disadvantage yog hais tias lub khees discontinuity, thiab ib co high-ceev dab feem ntau poob tawm ntawm lub xub ntiag, muab zais ntawm kev txhaj tshuaj twg thaum tus shooting. Yog hais tias lub deceleration yog ntau tshaj li 1 f / s, ib tug ua qauv qhia duab tsa ib tug swb yeeb yam. Yog li ntawd, ib tug yeem slowdown nce hloov ceev ceev shooting.

Niaj hnub nimno cov hom kev kawm ntawm filming

1. Niaj hnub nimno cov koob yees duab nruab nrog ib tug hluav taws xob stabilizing system, tsis tau zoo overcranking tsim nrog kev them nyiaj yug adjustable ntev, "monopod" los muab cov duab stability tsis muaj av qeeg.
2. Vertical khoom thiab sab ncej sab yuav tsum mus tib seem.
3. Tej txoj kev video footage, raws li ib tug alternation ntawm close-up nrog me me thiab medium, pom tau hais tias zoo style. Sverhupotreblenie scalability tiring tus tuav, yog li nws yog ib qho zoo tej zaum yuav nres cov ntaubntawv povthawj siv, filming txhais rau cov neeg tsim nyog, thiab mam li mus.
4. Lub optimum ntev rau lub xaav ntawm cov zajlus yog pom tias yuav tau hais txog 5 vib nas this, ntau - 12 khaws cia cov liveliness thiab dynamism ntawm lub footage.
5. Dawb Tshuav qhov chaw nyob rau hauv ib tug artificially lub zes rau chav yog pom zoo kom yuav tsum tau ua manually.
6. Lub qab ntug kab - tsis kawg feature uas distinguishes ib tug kws yees duab: nws yuav tsum muab qhov chaw nyob rau theem ntawm nruab nrab ntawm lub viewfinder kab los yog me ntsis saum toj no. Scenes nyob rau hauv uas lub sab sauv feem ntawm tus ncej saum ntuj ceeb tsheej qhov chaw nyob los ntawm cov 2/3, mus rau lub voltage ntaus nqi.
7. Kom tus ntas ntawm volume ntawm medium thiab loj loj pem hauv ntej ntawm lub lens yuav tsum muab tso rau ib yam kev kawm, zog tsim ib daim duab ntawm lub qhov tob thiab scale ntawm daim duab.
8. Thaum koj xaiv lub koob yees duab angle shooting yuav tsum xav txog ntau txoj kev xam pom, mus tshaj stereotypes, piv txwv li, qhia ib tug kwv los ntawm cov neeg tuaj saib thiab "txiav txim", raws li zoo raws li los ntawm lub qhov muag ntawm ib tug sab nraum saib. Thiab txhua kauj ruam rau cov neeg teb xov tooj - ib tug tshiab milestone nyob rau hauv nws cov craftsmanship thiab cov tshiab foundations seb puas tsimnyog tau cov theem.

Peb kuj yuav tsum hais txog cov neeg professional ethics: Thaum lub sij hawm loj txheej xwm yog tsis yog li ntawd ntau vantage cov ntsiab lus, uas yog haum rau lub kev vam meej shooting, yog li ntawd koj yuav tsum saib xyuas ntawm tag nrho cov tsim nyog tej yam kev mob nyob rau hauv ua ntej.