Kodi ndi chiyaniLenzi ya FisheyeLenzi ya fisheye ndi mtundu wa lenzi ya kamera yomwe imapangidwira kupanga mawonekedwe ozungulira a malo, okhala ndi kupotoza kwamphamvu komanso kosiyana. Ma lenzi a fisheye amatha kujambula malo owonekera kwambiri, nthawi zambiri mpaka madigiri 180 kapena kuposerapo, zomwe zimathandiza wojambula kujambula kujambula malo akuluakulu kwambiri a malowo mu chithunzi chimodzi.

Lenzi ya maso a nsomba

Magalasi a Fisheye amatchulidwa chifukwa cha kupotoza kwawo kwapadera, komwe kumapanga chithunzi chozungulira kapena chooneka ngati mbiya chomwe chingakokedwe kwambiri komanso chokongoletsedwa. Kupotoza kumeneku kumachitika chifukwa cha momwe lenzi imasinthira kuwala pamene ikudutsa mu zinthu zopindika zagalasi za lenzi. Kupotoza kumeneku kungagwiritsidwe ntchito mwaluso ndi ojambula zithunzi kuti apange zithunzi zapadera komanso zosinthika, komanso kungakhale choletsa ngati mukufuna chithunzi chowoneka ngati chachilengedwe.

Magalasi a Fisheye amabwera m'mitundu yosiyanasiyana, kuphatikizapo magalasi ozungulira a fisheye, magalasi a fisheye ozungulira, ndi magalasi a fisheye odzaza ndi chimango. Mtundu uliwonse wa magalasi a fisheye uli ndi mawonekedwe akeake ndipo ndi woyenera mitundu yosiyanasiyana ya kujambula zithunzi.

Mosiyana ndi magalasi ozungulira,magalasi a maso a nsombasizimadziwika mokwanira ndi kutalika kwa focal ndi kutsegula kokha. Ngodya yowonera, kukula kwa chithunzi, mtundu wa projekiti, ndi kuphimba kwa sensa zonse zimasiyana mosiyana ndi izi.

Mitundu yogwiritsira ntchito mawonekedwe

Magalasi ozungulira a maso a nsomba

Mtundu woyamba wa magalasi a fisheye omwe adapangidwa anali magalasi "ozungulira" omwe amatha kupanga chithunzi chozungulira chokhala ndi mawonekedwe a madigiri 180. Ali ndi kutalika kwaufupi kwambiri, nthawi zambiri kuyambira 7mm mpaka 10mm, zomwe zimawathandiza kujambula mawonekedwe ozungulira kwambiri a malowo.

Lenzi ya maso ozungulira

Magalasi ozungulira a fisheye apangidwa kuti apange chithunzi chozungulira pa kamera kapena filimu. Izi zikutanthauza kuti chithunzi chomwe chatuluka chili ndi mawonekedwe ozungulira okhala ndi malire akuda ozungulira dera lozungulira, zomwe zimapangitsa kuti "mbale ya nsomba" ikhale yapadera. Makona a chithunzi chozungulira cha fisheye adzakhala akuda kotheratu. Kuda kumeneku ndi kosiyana ndi kunyezimira pang'onopang'ono kwa magalasi ozungulira ndipo kumayamba mwadzidzidzi. Chithunzi chozungulira chingagwiritsidwe ntchito kupanga zinthu zosangalatsa komanso zopanga. Izi zili ndi ngodya yowongoka, yopingasa komanso yopingasa ya 180°. Koma zingakhalenso zoletsa ngati wojambula zithunzi akufuna chiŵerengero cha rectangle.

Zozunguliramagalasi a maso a nsombaKawirikawiri amagwiritsidwa ntchito popanga zithunzi zaluso komanso zaluso, monga kujambula zithunzi za zomangamanga, kujambula zithunzi zosamveka bwino, ndi kujambula zithunzi zamasewera oopsa. Zingagwiritsidwenso ntchito pazasayansi ndi ukadaulo komwe kumafunika kuwona mbali yayikulu, monga mu zakuthambo kapena maikulosikopu.

Magalasi a fisheye ozungulira (omwe amadziwikanso kuti ndi amakona anayi kapena amakona anayi)

Pamene magalasi a fisheye anayamba kutchuka kwambiri m'kujambula zithunzi, makampani opanga makamera anayamba kupanga magalasi a fisheye okhala ndi bwalo lalikulu la chithunzi kuti aphimbe chimango chonse cha filimu yamakona anayi. Amatchedwa ma fisheye opingasa, kapena nthawi zina "amakona anayi" kapena "athunthu".

Magalasi a fisheye ozungulira ndi mtundu wa lenzi ya fisheye yomwe ingapangitse mawonekedwe a malo ozungulira kwambiri okhala ndi malo ozungulira a madigiri 180 mpaka 190, pomwe ma angles opingasa ndi olunjika adzakhala ang'onoang'ono. Magalasi awa amapanga mawonekedwe opotoka kwambiri komanso okokomeza, koma mosiyana ndi magalasi ozungulira a fisheye, amadzaza chimango chonse cha rectangle cha sensa ya kamera kapena filimu. Kuti mupeze zotsatira zomwezo pamakamera a digito okhala ndi masensa ang'onoang'ono, kutalika kwafupikitsa ndikofunikira.

Zotsatira za kupotoza kwa diagonalmandala a maso a nsombaimapanga mawonekedwe apadera komanso ochititsa chidwi omwe angagwiritsidwe ntchito mwaluso ndi ojambula zithunzi kujambula zithunzi zosinthika komanso zokopa maso. Mawonekedwe okokomeza angapangitse kuti munthu azimva kuzama ndi kuyenda mu chochitika, ndipo angagwiritsidwenso ntchito kupanga nyimbo zosamveka bwino komanso zachilendo.

Lenzi ya maso a nsomba yozungulira

Magalasi a fisheye ooneka ngati chithunzi kapena ozungulira

Bwalo lodulidwamagalasi a maso a nsombaPali mtundu wina wa lenzi ya fisheye yomwe ilipo, kuwonjezera pa lenzi yozungulira ya fisheye ndi malenzi a fisheye omwe ndatchula kale. Choyimira pakati pa fisheye yopingasa ndi yozungulira chimakhala ndi chithunzi chozungulira chomwe chimakonzedwa kuti chigwirizane ndi kukula kwa mawonekedwe a filimu osati kutalika. Zotsatira zake, pa mtundu uliwonse wa filimu yopanda sikweya, chithunzi chozungulira chidzadulidwa pamwamba ndi pansi, koma chikuwonetsabe m'mphepete mwakuda kumanzere ndi kumanja. Mtundu uwu umatchedwa "chithunzi" cha fisheye.

Lenzi ya maso a nsomba yozungulira

Magalasi amenewa nthawi zambiri amakhala ndi kutalika kwa 10-13mm ndipo malo owonera zithunzi amakhala pafupifupi madigiri 180 pa kamera yojambulira zinthu.

Magalasi a fisheye ozungulira ndi otsika mtengo poyerekeza ndi magalasi a fisheye okhala ndi chimango chonse, ndipo amapereka mawonekedwe apadera okhala ndi mawonekedwe ozungulira.

Magalasi ang'onoang'ono a maso a nsomba

Makamera ang'onoang'ono a digito, makamaka akagwiritsidwa ntchito ngati makamera achitetezo, nthawi zambiri amakhala ndi magalasi a fisheye kuti azitha kuphimba bwino. Magalasi ang'onoang'ono a fisheye, monga magalasi a fisheye a M12 ndi magalasi a fisheye a M8, amapangidwira ojambula zithunzi ang'onoang'ono omwe amagwiritsidwa ntchito kwambiri m'makamera achitetezo. Kukula kwa mawonekedwe otchuka a sensa yazithunzi omwe amagwiritsidwa ntchito ndi 1⁄4″, 1⁄3″, ndi 1⁄2″. Kutengera ndi malo omwe sensor yazithunzi ikugwira ntchito, lensi yomweyo imatha kupanga chithunzi chozungulira pa sensa yayikulu yazithunzi (monga 1⁄2″), ndi chimango chonse pa yaying'ono (monga 1⁄4″).

Zitsanzo za zithunzi zomwe zinajambulidwa ndi M12 ya CHANCCTVmagalasi a maso a nsomba:

Zitsanzo za zithunzi zomwe zinajambulidwa ndi magalasi a fisheye a CHANCCTV a M12-01

Zitsanzo za zithunzi zomwe zinajambulidwa ndi magalasi a fisheye a CHANCCTV a M12-02

Zitsanzo za zithunzi zomwe zinajambulidwa ndi magalasi a fisheye a CHANCCTV a M12-03