23/01/28Tucsen sCMOS kyamarori suna amfani da abubuwan haifar da TTL tare da daidaitaccen ƙirar SMA. Wannan kawai yana buƙatar haɗin kebul mai faɗakarwa tare da haɗin SMA daga kamara zuwa faɗakarwa a tashar jiragen ruwa na na'urar ku ta waje. Kamara masu zuwa suna amfani da wannan keɓancewa:
●Dhyana 400BSI
● Dhyana 95
●Dhyana 400D
●Dhyana 6060 & 6060BSI
●Dhyana 4040 &4040BSI
●Dhyana XF95/XF400BSI
Idan kyamarar ku Tucsen Dhyana 401D ce, ko FL20-BW, da fatan za a bi takamaiman umarnin don waɗannan kyamarori da ke ƙasa.
Zane-zanen da ke ƙasa yana nuna inda za'a haɗa kebul na faɗakarwa akan kyamarar ku. Da zarar an haɗa wannan tsakanin kamara da na'urar waje, kun shirya don saita kunnawa!
Ƙarfafa Cable & Fitar da Zane-zane
Zane mai jawo fil don kyamarorin sCMOS tare da farawar SMA.
| SMA Pin | Sunan Pin | Bayani |
| 1 | TRIG.IN | Fara kunna sigina don sarrafa lokacin sayan kamara |
| 2 | TRIG.OUT1 | Ƙaddamarwa 1 - Mai iya daidaitawa, tsoho: siginar 'Ƙarshen Karanta' |
| 3 | TRIG.OUT2 | Ƙaddamarwa 2 - Mai iya daidaitawa, tsoho: siginar 'Global' |
| 4 | TRIG.OUT3 | Ƙaddamarwa 3 - Mai iya daidaitawa, tsoho: siginar 'Exposure Start' |
Wutar Lantarki don Tarawa
Wutar lantarki daga SMA mai jawo shine 3.3V.
Matsakaicin ƙarfin shigarwar da aka karɓa don kunnawa yana tsakanin 3.3V da 5V
Farawa A Hanyoyi & Saituna
Tucsen sCMOS kyamarori suna da hanyoyi daban-daban na aiki don sarrafa abubuwan jawo kayan aikin waje (Trigger In sigina), tare da ƴan saituna don haɓakawa da zaɓi don aikace-aikacenku. Waɗannan saitunan yakamata su kasance a cikin fakitin software naku. Hoton da ke ƙasa yana nuna yadda waɗannan saitunan ke bayyana a cikin Tucsen's Mosaic software.
Saitin Ƙarfafa Hardware
Akwai zaɓuɓɓuka guda huɗu don wannan saitin, wanda ke ƙayyade yadda kuma ko kyamarar za ta yi aiki a kan lokacinta na ciki ba tare da abubuwan jan hankali na waje ba, ko kuma siginonin waje za su sarrafa halayen kyamarar. Har ila yau, yin amfani da kayan aikin software yana yiwuwa.
An taƙaita waɗannan saitunan a cikin teburin da ke ƙasa, tare da ƙarin bayani da aka bayar a cikin sassan masu zuwa.
| Saita | Bayani |
| Kashe | Yanayin lokaci na ciki. Za a yi watsi da duk abubuwan da ke haifar da motsi na waje, kuma kyamarar za ta yi aiki a iyakar saurinta. |
| Daidaitawa | Yanayin aiki mai sauƙi wanda aka kunna, tare da kowane siginar faɗakarwa yana haifar da sayan firam. |
| Aiki tare | Bayan siginar 'farawa' na farko, kyamarar zata ci gaba da gudana, tare da kowane sabon siginar faɗakarwa yana haifar da ƙarshen bayyanar firam ɗin yanzu da farkon firam na gaba. |
| Duniya | Kamarar za ta yi aiki a cikin yanayin 'pseudo-global' don yin koyi da tasirin abin rufewa na duniya tare da na'ura mai ɗaukar hoto, ta hanyar aiki tare da tushen haske. |
| Software | Yanayin ci-gaba don kwaikwayi siginar jawo ta wannan aikin SetGpio. |
Lura: A kowane hali, za a sami ɗan jinkiri sosai tsakanin karɓar siginar Trigger da farkon sayan. Wannan jinkirin zai kasance tsakanin sifili da lokacin layin kyamara ɗaya - watau lokacin da aka ɗauka don kamara don karanta layi ɗaya. Don DHyana 95 misali, lokacin layin shine 21 μs, don haka jinkirin zai kasance tsakanin 0 da 21 μs. Ba a nuna wannan jinkirin akan zane-zanen lokacin da ke ƙasa don sauƙi.
Yanayin 'Kashe'
A cikin wannan yanayin, kyamarar tana aiki a matsakaicin gudu akan lokaci na ciki, yin watsi da abubuwan da ke haifar da waje.
Daidaitaccen Yanayin
A daidaitaccen yanayin, kowane firam ɗin sayan kamara zai buƙaci siginar faɗakarwa ta waje. Tsawon fiddawar ana iya saita shi ta siginar faɗakarwa (kamar a cikin 'Exposure: Width'), ko ta software (kamar yadda yake cikin 'Exposure: Timed').
Kamar a cikin siyan da ba a kunna ba, kyamarar tana iya yin aiki a cikin 'yanayin overlap', ma'ana cewa farkon bayyanar firam na gaba zai iya farawa da zarar layin farko na firam ɗin na yanzu ya gama fallasa da karantawa. Wannan yana nufin cewa har zuwa cikakken firam ɗin kyamara yana samuwa, gwargwadon ƙimar siginar faɗakarwa mai shigowa da lokacin fallasa da aka yi amfani da shi.
A: Haɓaka ɗabi'a a daidaitaccen yanayin (Bayyanawa: Nisa, Edge: Tashi).
B: Haɓaka cikin hali a daidaitaccen yanayin (Bayyanawa: Lokaci, Edge: Tashi). Siffofin rawaya suna wakiltar bayyanar kamara. 0H, 1H, 2H… suna wakiltar kowane layin kyamara a kwance, tare da jinkiri daga jere ɗaya zuwa na gaba saboda jujjuyawar kyamarar CMOS. Kamar yadda aka samu 'rafi' mara jawo, farkon sabon firam na iya haɗuwa tare da karatun firam ɗin na yanzu, ma'ana abubuwan da ke cikin sifofin rawaya na iya yin cuɗanya da juna.
Yanayin Aiki tare
Yanayin aiki tare wani yanayi ne mai ƙarfi wanda za'a iya amfani dashi, alal misali, a cikin jujjuyawar faifan microscopy don daidaita sayan kamara tare da jujjuya faifai don guje wa ɗimbin kayan tarihi.
A cikin wannan yanayin, fararwa ta farko a cikin sigina tana farawa da firam ɗin farko. Sigina mai faɗakarwa na gaba yana ƙare firam ɗin na yanzu kuma yana fara aiwatar da karantawa, nan da nan ya biyo baya da farkon bayyanarwa na gaba, kamar yadda aka nuna a cikin zanen da ke ƙasa. Ana maimaita wannan don kowane siginar faɗakarwa na gaba. Lura cewa wannan yana buƙatar ƙarin bugun siginar da za a aika fiye da adadin hotunan da aka samu.
Tsawon lokacin bayyanarwa a wannan yanayin an saita ta tsawon lokaci tsakanin siginar jawo ɗaya da na gaba.
Matsakaicin lokaci tsakanin siginonin faɗakarwa shine lokacin karanta firam ɗin, wanda aka ba shi ta juzu'i na matsakaicin ƙimar firam na wannan kyamarar. Don Dhyana 95, tare da ƙimar firam na 24fps, mafi ƙarancin lokacin tsakanin sigina zai zama 1000ms / 24 ≈ 42ms. Duk wani sigina da aka aika kafin wannan lokacin ba za a yi watsi da su ba.
Yanayin Duniya
A haɗe tare da tushen haske mai faɗakarwa / bugun jini, Yanayin Duniya yana ba da damar kyamara ta yi aiki a cikin yanayin 'pseudo-global', guje wa batutuwan da ka iya tasowa tare da mirgina na kyamara tare da wasu nau'ikan hoto. Don ƙarin bayani kan ɓarna-duniya shutters, duba sashin 'Pseudo-Global Shutter' a ƙarshen wannan shafin.
Yadda Yanayin Duniya Ke Aiki
Yanayin Duniya Yana Tarawa Aiki.
A cikin yanayin duniya, lokacin fara siye a cikin software, kyamarar za ta kasance 'tuɓar farko' don fara fallasa firam ɗin, don ba da damar 'birgima' na farkon bayyanar firikwensin. Ya kamata wannan matakin ya faru a cikin duhu tare da tushen haske ba ya aiki.
Da zarar wannan tsari ya ƙare, kyamarar tana shirye don karɓar siginar faɗakarwa don fara fallasa 'duniya', lokacin da yakamata a aika haske zuwa kyamarar. An saita tsawon wannan lokacin bayyanar duniya ta hanyar software (kamar a cikin 'Exposure: Timed'), ko tsawon siginar da aka karɓa (kamar a cikin 'Exposure: Width').
A ƙarshen wannan fallasa, kamara za ta fara 'birgima' na ƙarshen fiddawa kuma nan da nan za ta fara lokacin fiddawa don firam mai zuwa - kuma, wannan matakin yakamata ya faru cikin duhu.
Idan siginar faɗakarwa ta waje ta kunna tushen hasken, wannan siginar kuma za'a iya amfani da ita don kunna sayan kamara, yana ba da damar saita kayan aiki mafi sauƙi kuma mafi dacewa. A madadin, idan tushen hasken ya fitar da siginar faɗakarwa don nuna cewa an kunna shi, ana iya amfani da wannan don jawo sayan kamara.
Saitin Bayyanawa
Za'a iya sarrafa tsawon lokacin bayyanar kamara ta hanyar software, ko ta kayan aikin waje ta tsawon lokacin siginar faɗakarwa. Akwai saituna guda biyu don Bayyanawa:
Lokaci:Ana saita fiddawar kamara ta software.
Nisa: Ana amfani da tsawon lokacin babban sigina (a yanayin tashin hankali), ko ƙananan sigina (a yanayin faɗuwar yanayi) don ƙayyade tsawon lokacin bayyanar kyamara. Wannan yanayin kuma wani lokaci ana kiransa da 'Level' ko 'Bulb' Trigger.
Saitin Edge
Akwai zaɓuɓɓuka biyu don wannan saitin, dangane da saitin kayan aikin ku:
Tashi: Ana haifar da sayan kyamara ta hanyar tashin gefen ƙarami zuwa babban sigina.
Faduwa:Ana haifar da sayan kyamara ta hanyar faɗuwar sigina mai tsayi zuwa ƙasa.
Saitin jinkiri
Ana iya ƙara jinkiri daga lokacin da aka karɓi abin har sai kamara ta fara fallasa. Ana iya saita wannan tsakanin 0 da 10s, kuma ƙimar tsoho ita ce 0s.
Bayanan kula akan lokacin fararwa: Tabbatar cewa ba a rasa abubuwan da ke haifarwa ba
A cikin kowane yanayi, tsawon lokacin tsakanin masu kunnawa (wanda aka bayar ta tsawon lokacin babban sigina da ƙaramar sigina) dole ne ya zama tsayin daka cewa kamara ta sake shirya don samun hoto. In ba haka ba, za a yi watsi da abubuwan da aka aika kafin kyamarar ta shirya don sake samu.
Bincika bayanin yanayin da ke sama don buƙatun lokacin wannan yanayin.
Fitar da Yanayin & Saituna
Tare da kebul na Trigger Out da aka haɗa tsakanin kayan aikin ku na waje da tashar jiragen ruwa na Trigger Out na kamara kamar yadda aka nuna a sashin 'Trigger Cable & Pin-out Diagrams' a sama, kuna shirye don saita kyamarar don fitar da siginar faɗakarwa da suka dace don saitin ku. Saitunan don saita wannan yakamata su kasance a cikin fakitin software naku. Hoton da ke ƙasa yana nuna yadda waɗannan saitunan ke bayyana a cikin Tucsen's Mosaic software.
Fara Fitar Tashoshi
Tucsen sCMOS kyamarori suna da tashoshin Trigger Out guda uku, kowannensu yana da nasu Trigger Out fil -TRIG.OUT1, TRIG.OUT2 da TRIG.OUT3. Ana iya daidaita kowannensu da kansa, yana aiki da kansa, kuma a haɗa shi zuwa keɓance na'urorin waje.
Trigger Out Kind
Akwai zaɓuɓɓuka guda biyar don wane lokaci na aikin kamara da fitarwar da ya kamata ya nuna:
Bayyana Farayana aika faɗakarwa (daga ƙasa zuwa babba a cikin yanayin 'Rising Edge' masu jawo), a daidai lokacin da layin farko na firam ya fara fallasa. An ƙayyade faɗin siginar faɗakarwa ta hanyar saitin 'Nisa'.
Ƙarshen Karatuyana nuna lokacin da layin ƙarshe na kamara ya ƙare karatunsa. An ƙayyade faɗin siginar faɗakarwa ta hanyar saitin 'Nisa'.
Bayyanar Duniyayana nuna lokacin fallasa lokacin da duk layuka na kyamara ke fallasa lokaci guda, bayan 'birgima' na farawa da kuma kafin 'birgima' na ƙarshen bayyanar da karantawa. Idan aka yi amfani da shi don sarrafa tushen haske ko wani abin aukuwa a cikin gwajin ku wannan na iya samar da 'pseudo-global shutter'. Wannan yana ba da damar samun bayanai lokaci guda a fadin firikwensin kamara ba tare da tasirin abin rufewa na sCMOS ba. Don ƙarin bayani a sama Pseudo-global shutters duba sashin 'Pseudo-global shutter' a ƙasa.
Babban: Wannan yanayin yana sa fil ɗin ya fitar da sigina mai tsayi akai-akai.
Ƙananan:Wannan yanayin yana haifar da fil ɗin don fitar da ƙaramar sigina akai-akai.
Ƙarfafa Edge
Wannan yana ƙayyade polarity na fararwa:
Tashi:Ana amfani da gefen tashi (daga ƙananan zuwa babban ƙarfin lantarki) don nuna abubuwan da suka faru
Faduwa:Ana amfani da gefen faɗuwa (daga babba zuwa ƙananan ƙarfin wuta) don nuna abubuwan da suka faru
Jinkiri
Za'a iya ƙara jinkirin da za'a iya daidaitawa a cikin lokacin faɗakarwa, jinkirta duk siginonin abubuwan da suka faru na Trigger Out ta lokacin da aka ƙayyade, daga 0 zuwa 10s. An saita jinkiri zuwa 0s ta tsohuwa.
Nisa mai jawo
Wannan yana ƙayyade faɗin siginar faɗakar da ake amfani da ita don nuna abubuwan da suka faru. Tsohuwar nisa shine 5ms, kuma ana iya daidaita faɗin tsakanin 1μs da 10s.
Pseudo-Global Shutters
Don wasu aikace-aikacen hoto, aikin birgima na kamara na iya ko dai gabatar da kayan tarihi, rashin inganci a cikin lokaci ko adadin haske zuwa samfurin, ko giciye tsakanin hotuna inda canje-canjen kayan aikin ke faruwa tsakanin firam ɗin. Aiki na yaudara-duniya na iya shawo kan waɗannan ƙalubale.
YayaZahiri duniyal Shutter Works
Yayin da firam ɗin ke farawa, farkon bayyanar kowane jere yana 'birgiza' ƙasa kamara har sai kowane jere yana fallasa. Idan, yayin wannan tsari, an kashe tushen hasken kuma babu wani haske da ya isa kamara, ba za a sami bayani ba yayin lokacin 'juyawa'. Da zarar kowane layi ya fara fallasa, kyamarar yanzu tana halin 'duniya', kuma kowane bangare na kyamara yana shirye don karɓar haske ba tare da wani lokaci ba a kan firikwensin.
Idan an sake kashe tushen hasken yayin da 'birgima' na ƙarshen fallasa da karantawa kowane jere yana motsawa ƙasa da firikwensin, kuma ba a sami wani bayani ba yayin wannan lokacin na duniya.
Tsawon lokacin bugun bugun tushen hasken yana ƙayyade tasirin tasirin kyamarar, lokacin da ake tattara haske.
Tucsen sCMOS kyamarori na iya cimma rufaffiyar rufaffiyar duniya ta hanyoyi guda biyu: Ko dai ta hanyar jawo kyamara da tushen haske ta wasu lokutan waje (duba Trigger In Hardware Trigger Setting: Global sama), ko ta hanyar sarrafa tushen haske mai faɗakarwa ta hanyar tashar jiragen ruwa na kamara ta Trigger Out saita zuwa Trigger Out Kind: Duniya saitin.
Lokaci don aiki na Duniya
Lura cewa lokacin aiki tare da abin rufe fuska na duniya, ƙimar firam ɗin kamara yana raguwa saboda buƙatar haɗawa da lokacin fara karantawa / fallasa tsakanin firam ɗin. Tsawon lokacin wannan lokaci an saita shi ta lokacin karantawa na kamara, misali a kusa da 42ms don cikakken firam na Dhyana 95.
Jimlar lokacin kowane firam ana bayar da shi ta wannan lokacin firam, tare da lokacin bayyanar 'duniya', da kowane jinkiri tsakanin ƙarewar karatun firam ɗin da ya gabata da abin faɗakarwa don fara samun firam na gaba.
