Ukuhlola ukwehluka kobude obugxile ezithombeni
Endaweni yokuthwebula izithombe, ubude obugxile belensi yekhamera lithonya kakhulu umphumela wesithombe. Ukuhlukahluka kobude obugxile kuvumela abathwebuli bezithombe ukuthi bakhuphule umbono wabo, noma ngabe bathwebula indawo ebanzi noma imidwebo esondelene. Phakathi kobuningi bamalensi, i-17mm ivelele njengenketho eguquguqukayo. Le ndatshana idlulela ema-nuances of Amakhamera we-17mm, ehlola izinhlelo zabo nezinzuzo zabo, kanye nendawo yabo endaweni yokuncintisana kanye nabanye ubude obugxile.
● umehluko ngobude obugxile
Ubude obugxile bubhekisa ebangeni phakathi kwelensi kanye sensor yesithombe lapho isihloko sigxile. Ichaza ukuthi kungakanani isimo sesehlakalo esizothathwa futhi sithonye izinga lokukhulisa. Ilensi engu-17mm iwela esigabeni se-Ultra - i-angle lens, ukuhlinzeka ngenkamu ebanzi yokubuka kuqhathaniswa nelensi ye-standard noma yefoni. Ukuqonda lokhu kwehluka kubalulekile ukuthi abathwebuli bezithombe bahlose ukusebenzisa amandla aphelele emishini yabo.
● Umthelela ekuthandweni
Ukukhethwa kobude obugxile kungashintsha ngokumangazayo ukwakheka kanye nemizwa yesithombe. Ilensi engu-17mm, enomkhakha wayo obanzi, ivumela abathwebuli bezithombe ukuba bathwebule okuningi kwesigameko, esilungele ukubonwa komhlaba kanye nezithombe zokwakha. Lo mbono obanzi ugqugquzela ubuhlakani, ukunika amandla abathwebula bezithombe ukuthi bahlole ukujula nombono.
Inkambu yokubuka: ububanzi vs. ama-engeli amancane
● wide - angle lens application
I-Wide - Ama-engela ama-lens afana ne-17mm agujwa amandla abo okubamba ama-vistas anwebekayo. Zithandwe ikakhulukazi ezithombeni zokwakha, lapho kuthumba ubuhle besakhiwo ngohlaka olulodwa kubalulekile. Amalensi ayi-17mm anika amandla abathwebuli bezithombe afake phakathi izinhlaka ezinde noma ama-sprawling averycing band ngaphandle kokudinga ukunwebeka kakhulu emuva.
● Usebenzisa nini ama-engeli emincane
Ngenkathi ilensi engu-17mm imangalisa ekuthumbeni izigcawu eziningi, kunezimo lapho kungcono khona ukugxila kokuncane. Isibonelo, izithombe, izibonelo, izinzuzo ezivela kuma-engela amancanyana agxile kakhulu kule ndaba futhi asuse iziphazamiso zangemuva. Ubude obugcwele obude, njenge-35mm noma i-50mm, banikele ngokuhlanekezelwa okuncane bese benza imidwebo ethopha xaxa ngezici ezicindezelayo.
Ukujula kwenkambu: ukuqhathanisa i-17mm nabanye
● Izinzuzo zokujula okukhulu ngo-17mm
Ilensi engu-17mm inikezela ngokujula kwenkambu ebalulekile, okwenza kube lula ukugcina izinto eziningi zigxile ekudutshulweni okukodwa. Lokhu kunenzuzo yezithombe ze-landscape ezifuna ukuthwebula zombili ingaphambili nesizinda ngokucacile. Ukujula kwenkambu ebanzi kuthuthukisa isici sokuxoxa izindaba, okumema ababukeli ukuhlola izingxenye ezahlukahlukene zesithombe.
● Izinzuzo ezijulile zokujula
Ngakolunye uhlangothi, ukufeza ukujula okungajulile kwensimu kuyinselele ngelensi engu-17mm ngokuqhathaniswa namalensi amade. Ukujula kwensimu engajulile, kutholwe ngokusebenzisa ama-apertures amakhulu kanye nobude obude obude, kuvame ukufiswa ngezinto ezihlukanisayo ngokumelene nezizinda ezifiphele, engeza ikhwalithi ye-cinemac to potraits. Abathwebuli bezithombe abafuna lo mphumela bangase bakhethe ama-lenses ane-35mm ephezulu nangaphezulu.
Ukuhlanekezela isithombe: Ultra - ububanzi vs telephoto
● Ukuhlanekezela umBarrel ngo-17mm
Isici esisodwa se-Ultra - I-Angle Lens enjenge-17mm ingamathuba okuphambuka kweBarrel, lapho kuvela khona imigqa eqondile, ikakhulukazi emaphethelweni ohlaka. Ngenkathi lokhu kungaxhashazwa ngobuciko emiphumeleni ethile, kungahle kube kungathandeki ekuthandeni kwezithombe zezakhiwo lapho kudingeka khona ukunemba. Ukulungisa lokhu okuthunyelwe - Ukukhiqizwa kungenzeka, kepha ukuqonda kokuqonda kubalulekile ekubumbeni okunembile.
● Ukunikezwa kwemvelo nge-telephoto
Ubude obude obugcwele, njengamalensi we-telephoto, ahlinzeke ngokuhunyushwa ngokwemvelo kwezihloko ezinokuhlanekezela okuncane. Lawa ma-lens alungele izimo lapho iqiniso lapho iqiniso likhona - ukubekelwa impilo kubalulekile, njengezithombe zezilwane zasendle noma isithombe, lapho kugxilwe khona esihlokweni kunokuba kunesihloko esikhundleni sendawo ezungezile.
Izimo zesicelo zamalensi ahlukene
● Ukusetshenziswa okuhle kwamakhamera we-17mm
Amakhamera we-17mm agqamile ezimweni ezidinga umkhakha obanzi. Baphelele ekuthumbeni ama-Interiors, ama-Artecturality Extereors, kanye nezindawo ezinkulu zomhlaba, enikeza abathwebuli bezithombe amandla okufaka izinto ezimangazayo zangaphambili ezidonsela ababukeli endaweni yesehlakalo. Ngokwengeziwe, amathuba okudala okubona okumangazayo nama-engeli ahlukile enza amakhamera angu-17mm afiseleka kakhulu.
● Ezinye izicelo zobude obugxile
Ngenkathi ama-lens we-17mm anikeza izinzuzo ezithile, elinye ubude obugxile nabo bunezicelo zabo ezihlukile. Ilensi engu-50mm, evame ukubonwa eduze nomkhakha wombono wobuntu, ilungele ukuthwebula izithombe zasemgwaqweni nasekufanekisweni kwemvelo, ukuhlinzeka ngokubukeka okungokwemvelo okuhlanekezela okuncane. Ngaleso sikhathi, amalensi we-telephoto asemqoka ekuthumbeni izifundo ezikude njengezilwane zasendle noma imicimbi yezemidlalo.
Ukuthathwa kwezithombe ze-landscape nezakhiwo
● Izinzuzo zelensi engu-17mm
Ku-Landscape and Architural Photography, amalensi ayi-17mm akhanya ngenxa yekhono lawo lokubamba izinkambu ezibanzi. Abathwebuli bezithombe bangafaka isibhakabhaka esimangalisayo, ama-vistas akhukhulayo, kanye nezakhiwo eziphakeme ngaphakathi kohlaka olulodwa. Umthamo welensi wokufaka inzalo yangaphambili ngenkathi ukucaca kwangemuva kwenza kube yithuluzi elisemqoka lokwakha izingoma ezinamandla.
● Izinselelo ezinobude obuphelele
Kusetshenziswa ubude obuphelele bokugxila kokubukeka kwendawo kanye nezakhiwo kuvame ukudinga isikhala esithe xaxa, okungenzeka kungatholakali ngaso sonke isikhathi. Ama-lens amade angakhawulela inkambu yokubuka, engasho lutho ngezinto ezithile zesehlakalo. Ngakho-ke, abathwebuli bezithombe kumele bahlole izinzuzo zelensi ngokumelene nezidingo ezithile zesehlakalo.
Izithombe ze-Portrait: Ukukhetha ilensi efanele
● Izinzuzo ezingama-35mm no-50mm
Uma kukhulunywa ngezithombe, amalensi anobude obugxile ku-35mm no-50mm abathandwayo. Lawa ma-lens ahlinzeka ibanga lokusebenza entofontofo futhi akhiqize izithombe ezithopha ngaphandle kokuhlanekezela ngokweqile kwesinye isikhathi okubonakala ku-Ultra - amalensi abanzi. Badlula ekwakheni ukuxhumana nendaba ngenkathi befiphaza kahle ingemuva.
● Ukuqhathanisa ne-Ultra - Izinketho eziningi
Ngenkathi ilensi ye-17mm ingasetshenziswa ngobuciko ku-polyraiture ukukhiqiza izingoma ezihlukile, i-angle yayo ebanzi ivame ukuhlanekezela izici zobuso, okuvame ukungafiseleki emsebenzini we-portrait wendabuko. Ukuqonda ukuthi ungakusebenzisa kanjani lens ngobuciko, njengokufaka okuningi komongo wezemvelo ezithombeni, kungaholela emiphumeleni emisha.
Izimo eziphansi zokukhanya kanye nokukhethwa kobude obugxile
● Ama-lens amahle kakhulu wezilungiselelo eziphansi zokukhanya
Ngokuphansi - isithombe esikhanyayo, ukukhethwa kwamalensi kuyinto ebalulekile. Amalensi anezindlela ezinkulu, ngokuvamile atholakala ngobude obude obugcwele, vumela ukukhanya okwengeziwe ukushaya inzwa yekhamera, kunciphisa isidingo sezilungiselelo ze-ISO eziphezulu kanye nengozi yomsindo. Ngenkathi amalensi ayi-17mm anendawo yawo, ama-lens anezinkinga ezigxile kuma-35mm noma ama-aperture abanzi avame ukuthandwa ngezimo ezikhanyayo.
● Ukuqhathanisa 17mm kanye nobude obude obude
Amalensi ayi-17mm angasebenza ngempumelelo ephansi - Izimo ezikhanyayo uma zibhanqwe ngekhamera ekwazi ukuphatha izilungiselelo ze-ISO eziphakeme ngaphandle komsindo omkhulu. Kodwa-ke, izimo ezifuna umsindo omncane nokudla okulula okulula, ilensi ene-aperture ebanzi kanye nobude obude obude kunenzuzo ekuvezweni nasekujuleni kwenkambu.
Imiphumela ye-bokeh kanye nomthelela wobude obugxile
● Ukuthola i-bokeh ngamalensi amade
I-Bokeh ibhekisela kwikhwalithi yobuhle bokuqhakaza okukhiqizwayo lapho - khona - ukugxila kwezingxenye zesithombe. Kulula ukufeza ngamalensi anobude obude obuphelele kanye nama-apertures amakhulu. Ilensi engu-17mm, ngenkathi ihamba phambili ekuthumbeni izigcawu eziningi, zinzima ukukhiqiza i-bokeh ebalulekile ngenxa ye-angle yayo ebanzi nokuthambisa okuncane.
● Ukulinganiselwa kwe-17mm ye-bokeh
I-Wide - Ama-engela ama-lens afana ne-17mm awasetshenziswa ngokujwayelekile ekwakheni i-bokeh - Izithombe ezisindayo. Idizayini yabo igxile kakhulu ekugcinweni kwezinto ezigxile kunokuba izikhonzi ezihlukanisayo ezinezizinda ezifiphele. Izithombe zihlose ukuthola imiphumela ebizwa ngokuthi i-bokeh kuzosiza kakhulu ekusebenziseni i-lens ka-50mm noma ngaphezulu enobudlova obubanzi.
Ukukhetha ubude bokugxila okulungile kwezidingo zakho
● Ukuhlola Izidingo Zesehlakalo
Ukukhetha ilensi efanele kuncike kakhulu endaweni yesehlakalo nasezinhlosweni zobuciko bezithombe. Ilensi engu-17mm ilungele ukuthwebula izigcawu ezinkulu kanye nezingoma ezinamandla, ngenkathi ama-lens amade angcono ngezihloko ezihlukanisayo kanye nokuthola imiphumela yokucindezela. Ukuqonda izidingo zesehlakalo kanye nendaba umthwebuli wezithombe ufisa ukusho ukuthi kubalulekile ekukhetheni kwamalensi.
● Ukulinganisa izinzuzo nobubi
Njalo ubude obugxile kuza nezinzuzo zalo nezinzuzo nokuhweba - Kuvaliwe. Ukuhleleka kwezithombe kubandakanya ukuthi wazi nini ukukhulisa amandla e-lens ethile, njengombono obanzi welensi engu-17mm, futhi nini ukuphendukela ekubhekaneni okuphelele kwemiphumela ehlukile, njenge-bokeh noma ukuhlanekekezela okuncane ngemidwebo.
Ukugcina
Ukukhethwa kwamalensi kuthonya kakhulu umphumela wobuciko kanye nezobuchwepheshe bezithombe. Amakhamera we-17mm anikeza amakhono amangalisayo ezinhlobo ezithile zezithombe, ikakhulukazi izindawo kanye nokwakhiwa kwazo. Ukuqonda NAN NANI NAMAHOO LONTO LOKUQALA KANYE NOKUFAKAZA ISITOLO SOKUTHENGA I-TOOLKIT, Ukubenza bakwazi ukutshela izindaba ezibukwayo.
UsolaIsingeniso Senkampani
I-Hangzhou Savgood Technology, esungulwe ngoMeyi 2013, inikezelwe ekuhlinzekeni izixazululo ze-CCTV. Njengoba iminyaka engu-13 yobuchwepheshe bezokuphepha nokubhekwa, ama-savgood exlels kuzo zombili i-hardware nesoftware, evela ku-analog kunethiwekhi, futhi ibonakale kubuchwepheshe obushisayo. Isipiliyoni se-Savngood Global Strade Experience sichithe izifunda ezahlukahlukene, okunikeza amakhamera we-BI - amakhamera we-spectrum ahlanganisa amamojula abonakalayo, i-Ir, kanye neLWir we-Thermal ngokuphepha okuphelele kwamahora angama-24 - Uhla lwabo oluhlukahlukene lubandakanya inhlamvu, i-dome, namakhamera we-PTZ, okwazi ukufushane kuya ku-Ultra - Ukubhekwa Kwebanga Elide. Imikhiqizo emisha yeSavwood isekela izici ezithuthukile njengokugxila kwe-auto, i-IVS, kanye nokuhlanganiswa ne-OTTITT - Izinhlelo zePhathi.
