一,WhulaLAna amfani da shi a CCTVCAmora?
Kyatunan CCTV na iya amfani da nau'ikan ruwan tabarau daban-daban dangane da aikace-aikacen da suke nufi da filin da ake so. Ga wasu nau'ikan ruwan tabarau da aka yi amfani da su a kyamarar CCTV:
Kafaffen ruwan tabarau: Wadannan ruwan tabarau suna da madaidaitan tsayayyen tsawon kuma ba za a iya daidaita su ba. Ana amfani da su don aikace-aikace inda filin ra'ayi bai buƙatar canza ba.
Variocal ruwan tabarau: Wadannan tabarau suna ba da damar mai amfani don daidaita tsayin daka kuma saboda haka filin ra'ayi. Suna da amfani lokacin da aka sanya kamara a wani wuri inda nisa tsakanin kyamarar da batun na iya bambanta.
Zuƙo ruwan tabarau: Wadannan ruwan tabarau suna kama da ruwan tabarau na gari amma suna ba da ƙarin kewayon daidaitaccen tsayi. Suna ba da damar mai amfani don zuƙowa ko a kan batun ba tare da matsar da kyamara ba.
Lens na Pins: Wadannan ruwan tabarau suna da karamin birgewa, wanda ke ba da kyamara ta ɓoye a cikin karamin abu ko rami bango.
Zabi na ruwan tabarau ya dogara da takamaiman bukatun aikace-aikacen, kamar nisan zuwa batun, yanayin haske, da filin da ake so.
,WhulaDoesCCTVCameraLzagaDo?
Lens na daya daga cikin mahimman abubuwan kyamarar CCTV, kamar yadda yake da alhakin kwarara da kuma mayar da hankali kan hoton hoton. Lins suna yanke hukunci da yawan hasken da ke shiga kamarar, wanda zai iya yin tasiri a kan ingancin da sakamakon image.
Lens suna aiki ta hanyar hasken haskoki waɗanda suke wucewa ta, don haka suna haɗuwa a wani mai da hankali kan firikwensin. Distance daga ruwan tabarau zuwa firikwensin simin, da kuma curvature na ruwan tabarau, yana ƙayyade tsawon tsayi da kusurwa na kyamarar.
Za'a iya gyara ruwan tabarau na CCTV ko daidaitacce, dangane da takamaiman bukatun aikace-aikacen. Kafaffen ruwan tabarau suna da tsayin daka da filin ra'ayi, yayin da aka daidaita tabarau, kamar ruwan tabarau ko zuƙowa don canza tsayin daka da filin ra'ayi.
A takaice, ruwan tabarau na kyamarar CCTV yana taka muhimmiyar rawa wajen ɗaukar manyan hotuna da kuma hoton bidiyo. Ta hanyar sarrafa adadin hasken da ke shiga kamarar da kusurwa na ra'ayi, ruwan tabarau yana taimakawa tabbatar da cewa kyamarar ta kama batun batun da ake so tare da matsayin da ake so.
,Yadda akeCHose wani CCTVCameraLZabi?
Zabi ruwan tabarau na CCTV yana da mahimmanci don samun ingancin hoto mai kyau don tsarin tsaro. Anan akwai wasu dalilai don la'akari lokacin zabi aRuwan tabarau na CCTV:
Tsawon Tsawon: Tsawon tsinkaye na ruwan tabarau yana tantance filin kallo na kyamara, ko nawa yanayin kyamarar zai iya kama. Idan kuna buƙatar saka idanu a babban yanki, ruwan tabarau na kusurwa tare da ɗan gajeren tsawon za a buƙace shi. Don lura da takamaiman yanki, ruwan kunkuntar-kusancin kusurwa tare da tsayi mai tsayi ya fi dacewa. Kuna iya amfani da ƙididdigar kan layi don sanin tsayin daka da ya dace don aikace-aikacenku dangane da nesa don batun da filin da ake so.
M: Aperture shine girman buɗewa a cikin ruwan tabarau wanda zai bada haske don shigar da kyamara. Babbar iska (ƙananan F-lambar) zai ba da damar ƙarin haske don shigar da kamara, wanda ya haifar da hotuna masu haske a cikin ƙarancin haske. Koyaya, wani karin iska mai girma na iya haifar da zurfin filin da ke wistth, wanda zai iya haifar da abubuwa a cikin goshin ko asalin asalin yadda ya bayyana blurry.
Rashin jituwa: Tabbatar da cewa ruwan tabarau ya dace da samfurin kyamarar ku da girman firikwensin. Kyamarar daban-daban na iya samun nau'ikan tushe daban-daban, kuma ba duk ruwan tabarau sun dace da duk samfuran kyamarar ba.
Ingancin hoto: Zaɓi ruwan tabarau tare da ingancin hoto mai kyau, wanda zai tabbatar da cewa kyamara ta kama, cikakkun hotuna.
Kasafin kuɗi: Kudinruwan tabarau na kyamarar tsaroYa bambanta ya danganta da tsayin daka, apitture, da ingancin hoto. Eterayyade kasafin ku kuma zaɓi ruwan tabarau wanda ya dace da bukatunku kuma ya faɗi a cikin kasafin ku.
In summary, when choosing a CCTV camera lens, consider the focal length, aperture, compatibility, image quality, and budget to ensure that you get the best possible image quality for your security system.
Lokaci: Mayu-05-2023
