23/01/28Amakhamera we-Tucsen sCMOS asebenzisa ama-trigger e-TTL ane-SMA interface ejwayelekile. Lokhu kumane kudinga uxhumo lwekhebuli yokucupha enoxhumo lwe-SMA ukusuka kukhamera kuya kusicuphi esisechwebeni ledivayisi yakho yangaphandle. Amakhamera alandelayo asebenzisa lesi sixhumanisi:
● I-Dhyana 400BSI
● I-Dhyana 95
● I-Dhyana 400D
● I-Dhyana 6060 & 6060BSI
● I-Dhyana 4040 &4040BSI
● I-Dhyana XF95/XF400BSI
Uma ikhamera yakho iyi-Tucsen Dhyana 401D, noma i-FL20-BW, sicela ulandele imiyalelo ethile yalawa makhamera etholakala ngezansi.
Umdwebo wokuphina ongezansi ubonisa ukuthi ungayixhuma kuphi ikhebuli yokuqalisa kukhamera yakho. Uma lokhu sekuxhunyiwe phakathi kwekhamera nedivayisi yangaphandle, usulungele ukusetha ukucupha!
Qalisa Ikhebula & Imidwebo yokuPhina
Qalisa iphinikhodi yamakhamera e-sCMOS ane-SMA trigger interface.
| Iphinikhodi ye-SMA | Phina Igama | Incazelo |
| 1 | I-TRIG.IN | Qalisa isignali ukuze ulawule isikhathi sokutholwa kwekhamera |
| 2 | I-TRIG.OUT1 | Qalisa Ukuphuma 1 – Okulungisekayo, okuzenzakalelayo: Isiginali ye-'Readout End' |
| 3 | I-TRIG.OUT2 | Qalisa ukuphuma 2 - Okulungisekayo, okuzenzakalelayo: Isignali 'Yomhlaba wonke' |
| 4 | I-TRIG.OUT3 | Qalisa ukuphuma 3 – Okulungisekayo, okuzenzakalelayo: Isiginali 'Yokuchayeka' |
I-Voltage Range Yokucupha
I-voltage ephumayo evela ku-triggering ye-SMA ingu-3.3V.
Ibanga le-voltage yokufaka elamukelwayo ukuze liyicuphe liphakathi kuka-3.3V no-5V
Qalisa Kumamodi & Izilungiselelo
Amakhamera we-Tucsen sCMOS anezinhlobo ezimbalwa zokusebenza ezihlukene zokuphatha izibangeli zezingxenyekazi zekhompuyutha zangaphandle (amasiginali we-Trigger In), eceleni kwezilungiselelo ezimbalwa zokulungiselela nokukhethela uhlelo lwakho lokusebenza. Lezi zilungiselelo kufanele zitholakale kuphakheji yakho yesofthiwe. Isithombe-skrini esingezansi sibonisa ukuthi lezi zilungiselelo zivela kanjani ku-software kaMose ka-Tucsen.
Izilungiselelo ze-Hardware Trigger
Kunezinketho ezine zalesi silungiselelo, ezinquma ukuthi ikhamera izosebenza kanjani nokuthi izosebenza ngesikhathi sayo sangaphakathi ngaphandle kwezibangeli zangaphandle, noma ukuthi ukuziphatha kwekhamera kuzolawulwa amasignali angaphandle. Ukwengeza, ukusetshenziswa kwe-trigger yesoftware kungenzeka.
Lezi zilungiselelo zifinyezwe kuthebula elingezansi, ngolwazi olwengeziwe olunikezwe ezigabeni ezilandelayo.
| Ukusetha | Incazelo |
| Valiwe | Imodi yesikhathi yangaphakathi. Zonke izibangeli zangaphandle zizozitshwa, futhi ikhamera izobe isebenza ngesivinini sayo esiphezulu esingakhona. |
| Okujwayelekile | Imodi yokusebenza ecushiwe elula, nesiginali yesibangeli ngasinye ekwazisa ukutholwa kozimele. |
| Kuvumelanisiwe | Ngemva kwesignali yokuqala 'yokuqala', ikhamera izosebenza ngokuqhubekayo, nesignali entsha ngayinye ye-trigger ekhuthaza ukuphela kokuvezwa kozimele wamanje kanye nokuqala kozimele olandelayo. |
| Umhlaba jikelele | Ikhamera izosebenza esimweni 'somhlaba-mbumbulu' ukuze ilingise umthelela we-shutter yomhlaba wonke enekhamera evalayo, ngokuvumelanisa nomthombo wokukhanya. |
| Isoftware | Imodi ethuthukisiwe yokulingisa isignali ye-trigger ngalowo msebenzi we-SetGpio. |
Qaphela: Kuzo zonke izimo, kuzoba nokubambezeleka okuncane kakhulu phakathi kokwamukela isignali ye-Trigger In kanye nokuqala kokutholwa. Lokhu kubambezeleka kuzoba phakathi kukaziro nesikhathi somugqa wekhamera eyodwa - okungukuthi isikhathi esithathwayo ukuze ikhamera ifunde umugqa owodwa. Ku-Dhyana 95 isibonelo, isikhathi somugqa singu-21 μs, ngakho ukubambezeleka kuzoba phakathi kuka-0 no-21 μs. Lokhu kulibaziseka akuboniswa emidwebeni yesikhathi engezansi ukuze kube lula.
Imodi 'yokucisha'
Kule modi, ikhamera isebenza ngesivinini esiphezulu ngesikhathi sangaphakathi, ishaya indiva izibangeli zangaphandle.
Imodi Ejwayelekile
Kumodi evamile, uhlaka ngalunye lokutholwa kwekhamera luzodinga isignali yokuqalisa yangaphandle. Ubude bokuchayeka bungasethwa isignali ye-trigger (njengaku-'Exposure: Width'), noma ngesofthiwe (njengaku-'Exposure: Timeed').
Njengasekutholweni okungacushiwe, ikhamera iyakwazi ukusebenza 'ngemodi yokugqagqana', okusho ukuthi isiqalo sokuvezwa kozimele olandelayo kungaqala ngokushesha nje lapho umugqa wokuqala wozimele wamanje usuqedile ukuvezwa nokufunda kwawo. Lokhu kusho ukuthi kufika esilinganisweni esigcwele sozimele wekhamera siyatholakala, ngokuya ngesilinganiso samasiginali wokucupha angenayo kanye nesikhathi sokuchayeka esisetshenzisiwe.
A: Qalisa ekuziphatheni ngemodi Ejwayelekile (Ukuchayeka: Ububanzi, Umphetho: Ukunyuka).
B: Qalisa ekuziphatheni ngemodi Ejwayelekile (Ukuchayeka: Isikhathi, Umphetho: Ukukhuphuka). Umumo ophuzi umele ukuchayeka kwekhamera. 0H, 1H, 2H… imele irowu ngayinye yekhamera evundlile, ngokulibaziseka ukusuka kumugqa owodwa ukuya kolandelayo ngenxa yesivalo esigoqayo sekhamera ye-CMOS. Njengokutholwa 'kokusakaza' okungacushiwe, ukuqala kozimele omusha kungase kudlulele nokufunda kozimele wamanje, okusho ukuthi izingxenye eziyidiagonali zomumo ophuzi zingase zihlobane.
Imodi yokuvumelanisa
Imodi yokuvumelanisa iyimodi enamandla engasetshenziswa, isibonelo, ku-spinning disk confocal microscopy ukuvumelanisa ukutholwa kwekhamera nokuzungezisa idiski ukuze kugwenywe ukusakazwa kwezinto zobuciko.
Kule modi, i-trigger yokuqala kusignali iqala ukuvezwa kozimele wokuqala. Isignali yokuqalisa elandelayo iqeda ukuchayeka kozimele wamanje futhi iqala inqubo yokufunda, ngokushesha ilandelwe ukuqala kokuchayeka okulandelayo, njengoba kuboniswe kumdwebo ongezansi. Lokhu kuyaphindwa kusiginali yesiqalisi ngasinye esilandelayo. Qaphela ukuthi lokhu kudinga ukushaya kwesignali okukodwa ngaphezulu ukuze kuthunyelwe kunenombolo yezithombe ezitholiwe.
Ubude besikhathi sokuchayeka kule modi busethwa ubude besikhathi phakathi kwesignali yesibangeli esisodwa nelandelayo.
Isikhathi esincane esiphakathi kwamasignali e-trigger yisikhathi sokufunda kozimele, esinikezwe ukuphambana kwezinga eliphezulu lozimele kuleyo khamera. Ku-Dhyana 95, enesilinganiso sozimele esingu-24fps, isikhathi esincane phakathi kwamasignali sizoba ngu-1000ms / 24 ≈ 42ms. Noma iyiphi isignali ethunyelwe ngaphambi kwalesi sikhathi izozitshwa.
Imodi yomhlaba wonke
Ngokuhambisana nomthombo wokukhanya ocuphayo/oshaywayo, Imodi yomhlaba wonke ivumela ikhamera ukuthi isebenze esimweni 'somhlaba-mbumbulu', igwema izinkinga ezingase ziphakame ngesishutha sekhamera esinezinhlobo ezithile zezithombe. Ukuze uthole ulwazi olwengeziwe ngamashutha mbumbulu wembulunga yonke, bona ingxenye ethi 'Pseudo-Global Shutter' ekupheleni kwaleli khasi.
Isebenza kanjani i-Global Mode
I-Global mode Icupha Iyasebenza.
Kumodi yomhlaba wonke, ekuqaleni ukutholwa kwesofthiwe ikhamera 'izocushwa kusengaphambili' ukuze iqale ukuvezwa kozimele, ukuvumela 'ukugingqika' kokuqala kokuvezwa phansi kwenzwa. Lesi sigaba kufanele senzeke ebumnyameni lapho umthombo wokukhanya ungasebenzi.
Uma le nqubo isiqediwe, ikhamera isilungele ukwamukela isignali yokuqalisa ukuze iqale ukuchayeka 'emhlabeni', lapho ukukhanya kufanele kuthunyelwe kukhamera. Ubude besikhathi salesi sigaba sokuchayeka somhlaba wonke sisethwa yi-software (njengaku-'Exposure: Timeed'), noma ubude besiginali yokuqalisa eyamukelwe (njengaku-'Exposure: Width').
Ekupheleni kwalokhu kuvezwa, ikhamera izoqala 'ukugingqika' kokuphela kokuchayeka futhi ngokushesha iqale isigaba sokuchayeka ngaphambili sohlaka olulandelayo – futhi, lesi sigaba kufanele senzeke ebumnyameni.
Uma umthombo wokukhanya wenziwa wasebenza isignali ye-trigger yangaphandle, le siginali ingase futhi isetshenziselwe ukucupha ukutholwa kwekhamera, okuvumela ukusethwa kwehadiwe okulula nokufaneleka kakhudlwana. Okunye, uma umthombo wokukhanya ukhipha isignali yokuqalisa ukubonisa ukuthi ivuliwe, lokhu kungasetshenziswa ukuqalisa ukutholwa kwekhamera.
Isilungiselelo Sokuchayeka
Ubude besikhathi sokuvezwa kwekhamera bungalawulwa nge-software, noma ngezingxenyekazi zekhompuyutha zangaphandle ngobude besikhathi sesiginali ye-trigger. Kunezilungiselelo ezimbili zokuvezwa:
Isikhathi:Ukuchayeka kwekhamera kusethwa isofthiwe.
Ububanzi: Ubude besikhathi sesignali ephezulu (esimeni semodi yonqenqema olukhuphukayo), noma isignali ephansi (uma imodi yonqenqema ewayo) isetshenziswa ukunquma ubude besikhathi sokuchayeka kwekhamera. Le modi futhi ngezinye izikhathi yaziwa ngokuthi 'Izinga' noma 'Isicuphi se-Bulb'.
Isilungiselelo somphetho
Kunezinketho ezimbili zalokhu kulungiselelwa, kuye ngokusethwa kwehadiwe yakho:
Ephakama: Ukutholwa kwekhamera kuqalwa unqenqema olukhuphukayo lwesignali ephansi ukuya phezulu.
Ukuwa:Ukutholwa kwekhamera kuqalwa unqenqema oluwayo lwesignali ephezulu ukuya ephansi.
Ukubambezeleka Ukusetha
Ukulibaziseka kungangezwa kusukela ngesikhathi sokucupha kuze kube yilapho ikhamera iqala ukubonakala kwayo. Lokhu kungasethwa phakathi kuka-0 no-10, futhi inani elizenzakalelayo lingama-0.
Inothi ngesikhathi sokucupha: Qinisekisa ukuthi izibangeli aziphuthelwa
Kumodi ngayinye, ubude besikhathi phakathi kwezibangeli (obunikezwe ubude besikhathi sesiginali ephezulu kanye nesignali ephansi) kufanele bube side ngokwanele ukuthi ikhamera iphinde ilungele ukuthola isithombe. Uma kungenjalo, izingcipho ezithunyelwe ngaphambi kokuba ikhamera ilungele ukutholwa futhi zizozitshwa.
Hlola izincazelo zemodi ngenhla ngezidingo zesikhathi zaleyo modi.
Qalisa Amamodi Wokuphuma Nezilungiselelo
Ngezintambo ze-Trigger Out ezixhunywe phakathi kwezingxenyekazi zekhompuyutha zakho zangaphandle kanye Nembobo ye-Trigger Out yekhamera njengoba kuboniswe esigabeni esithi 'Trigger Cable & Pin-out Diagrams' ngenhla, usulungele ukulungisa ikhamera ukuthi ikhiphe amasiginali e-trigger afanelekile okusetha kwakho. Izilungiselelo zokumisa lokhu kufanele zitholakale kuphakheji yesofthiwe yakho. Isithombe-skrini esingezansi sibonisa ukuthi lezi zilungiselelo zivela kanjani ku-software kaMose ka-Tucsen.
Qalisa Out Ports
Amakhamera e-Tucsen sCMOS anezimbobo ezintathu ze-Trigger Out, ngayinye inephini layo le-Trigger Out -TRIG.OUT1, TRIG.OUT2 kanye ne-TRIG.OUT3. Ngayinye ingalungiselelwa ngokuzimela, isebenze ngokuzimela, futhi ixhunywe kumadivayisi angaphandle ahlukene.
Qalisa Out Kind
Kunezinketho ezinhlanu zokuthi yisiphi isigaba sokusebenza kwekhamera okufanele kuboniswe ukuphuma kwe-trigger:
I-Exposure Startithumela i-trigger (kusuka phansi kuye phezulu uma kwenzeka izibangeli ze-'Rising Edge'), ngaleso sikhathi lapho umugqa wokuqala wohlaka uqala ukuchayeka. Ububanzi besiginali ye-trigger bunqunywa isilungiselelo 'sobubanzi'.
Ukuphela kokufundaikhombisa ukuthi umugqa wokugcina wekhamera uphetha nini ukufunda kwawo. Ububanzi besiginali ye-trigger bunqunywa isilungiselelo 'sobubanzi'.
I-Global Exposureikhombisa isigaba sokuchayeka lapho yonke imigqa yekhamera ivezwa kanyekanye, ngemva 'kokugingqika' kokuqala kokuchayeka nangaphambi 'kokugingqika' kokuphela kokuchayeka nokufunda. Uma kusetshenziselwa ukulawula umthombo wokukhanya noma omunye umcimbi ekuhloleni kwakho lokhu kungakunikeza 'i-shutter yamanga yomhlaba wonke'. Lokhu kuvumela ukuthola idatha ngesikhathi esisodwa kuyo yonke inzwa yekhamera ngaphandle kwethonya le-sCMOS rolling shutter. Ukuze uthole ulwazi olwengeziwe ngenhla kwesivalo se-Pseudo-global bheka isigaba se-'Pseudo-global shutter' ngezansi.
Phezulu: Le modi ibangela ukuthi iphinikhodi ikhiphe isignali ephezulu engashintshi.
Phansi:Le modi ibangela ukuthi iphinikhodi ikhiphe isignali ephansi njalo.
Qalisa i-Edge
Lokhu kunquma i-polarity ye-trigger:
Ukunyuka:Unqenqema olukhuphukayo (kusuka ku-voltage ephansi ukuya phezulu) lusetshenziselwa ukukhombisa imicimbi
Ukuwa:Unqenqema oluwayo (kusuka phezulu ukuya ku-voltage ephansi) lusetshenziselwa ukukhombisa imicimbi
Libazisa
Ukubambezeleka okwenziwa ngendlela oyifisayo kungase kwengezwe ekucupheni isikhathi, kubambezeleke wonke amasiginali omcimbi we-Trigger Out ngesikhathi esishiwo, ukusuka ku-0 kuye ku-10s. Ukubambezeleka kusethelwe kuma-0 ngokuzenzakalelayo.
Qalisa Ububanzi
Lokhu kunquma ububanzi besiginali ye-trigger esetshenziselwa ukukhombisa izehlakalo. Ububanzi obuzenzakalelayo bungu-5ms, futhi ububanzi bungenziwa ngokwezifiso phakathi kuka-1μs no-10s.
I-Pseudo-Global Shutters
Kwezinye izinhlelo zokusebenza zokuthwebula izithombe, ukusebenza kwekhamera ye-rolling shutter kungethula ama-artefacts, ukungasebenzi ngesikhathi noma umthamo wokukhanya kusampula, noma ukweqa phakathi kwezithombe lapho izinguquko zehadiwe zenzeka phakathi kwamafreyimu. Ukusebenza kwembulunga yonke kunganqoba lezi zinselele.
KanjaniOkungelona iqiniso iglobal I-shutter iyasebenza
Njengoba ukuchayeka kozimele kuqala, ukuqala kokuchayeka kumugqa ngamunye 'kuhlehlisa' ikhamera kuze kube yilapho umugqa ngamunye uphumela obala. Uma, phakathi nale nqubo, umthombo wokukhanya uvaliwe futhi kungabikho ukukhanya okufika kukhamera, akukho lwazi oluzotholwa phakathi nesigaba 'sokugingqika'. Uma umugqa wonke usuqalile ukuveza, ikhamera manje isisebenza 'emhlabeni jikelele', futhi ingxenye ngayinye yekhamera isilungele ukwamukela ukukhanya ngaphandle kwanoma yisiphi isikhathi kuyo yonke inzwa.
Uma umthombo wokukhanya ucishwa futhi ngenkathi 'ukugingqika' kokuphela kokuvezwa nokufunda umugqa ngamunye kwehlisa inzwa, futhi alukho ulwazi olutholwayo phakathi nalesi sigaba esingesona esomhlaba.
Ngakho-ke ubude besikhathi sokushaywa komthombo wokukhanya bunquma ukuvezwa okusebenzayo kwekhamera, isikhathi lapho ukukhanya kuqoqwa khona.
Amakhamera we-Tucsen sCMOS angakwazi ukuzuza isivalo-mbumbulu sembulunga yonke ngezindlela ezimbili: Ngokucupha ikhamera nomthombo wokukhanya ngokusebenzisa isikhathi sangaphandle (bona i-Trigger In Hardware Trigger Setting: Global above), noma ngokulawula umthombo wokukhanya ocuphayo ngezimbobo zekhamera ze-Trigger Out ezisethwe ku-Trigger Out Kind: Isilungiselelo somhlaba wonke.
Isikhathi sokusebenza Kwembulunga yonke
Qaphela ukuthi uma usebenza ngesishutha-mbumbulu sembulunga yonke, izinga lozimele wekhamera liyancishiswa ngenxa yesidingo sokufaka isigaba sokuqala sokufunda/sokuchayeka phakathi kozimele. Ubude besikhathi salesi sigaba sisethwa isikhathi sokufunda sekhamera, isibonelo cishe ngo-42ms kuhlaka olugcwele lwe-Dhyana 95.
Isikhathi esiphelele ngozimele ngamunye sinikezwa yilesi sikhathi sozimele, kanye nesikhathi sokuchayeka 'embulungeni yonke', kanye nanoma yikuphi ukubambezeleka phakathi kokuphela kokufunda kohlaka lwangaphambilini kanye nesibangeli sokuqala ukuthola uzimele olandelayo.
