Magirazi eVarifocal imhando yemagirazi anoshandiswa mumakamera eterevhizheni akavharwa (CCTV). Kusiyana nemagirazi eVarifocal akareba, ane urefu hwakatarwa husingagone kugadziriswa, magirazi eVarifocal anopa hurefu hunogadziriswa hwemagirazi mukati mechikamu chakatarwa.
Chinhu chikuru chinobatsira malenzi emhando yevarifocal ndechekuti anochinjika pakugadzirisa nzvimbo yekuona kamera (FOV) uye zoom level. Nekuchinja urefu hwefocal, lenzi iyi inokutendera kuti uchinje angle yekuona uye zoom in kana out sezvinodiwa.
Chinhu ichi chinobatsira zvikuru mukushandiswa kwekutarisa apo kamera ingangoda kutarisa nzvimbo dzakasiyana kana zvinhu zviri kure zvakasiyana.
Magirazi eVarifocalanowanzotsanangurwa achishandisa manhamba maviri, akadai se2.8-12mm kana 5-50mm. Nhamba yekutanga inomiririra kureba kupfupi kwelenzi, zvichipa nzvimbo yakakura yekuona, nepo nhamba yechipiri inomiririra kureba kurefu kwekuona, zvichiita kuti nzvimbo yakamanikana yekuona ive nekuzoom yakawanda.
Nekugadzirisa urefu hwefocal mukati meiyi range, unogona kugadzirisa maonero ekamera kuti aenderane nezvinodiwa zvekutarisa.
Kureba kwefocal lens
Zvakakosha kuziva kuti kugadzirisa urefu hwefocal pane varifocal lens kunoda kupindira nemaoko, kungave nekutenderedza ring palenzi kana kushandisa moterial inodzorwa kure. Izvi zvinobvumira kugadziriswa panzvimbo kuti zvienderane nekuchinja kwezvinodiwa zvekutarisa.
Musiyano mukuru uripo pakati pemalenzi evarifocal nemalenzi akasimba ari mumakamera eCCTV uri mukukwanisa kwawo kugadzirisa urefu hwefocal uye nzvimbo yekuona.
Kureba kweFocal:
Magirazi asina kugadzika ane urefu hwakati, husingachinjiki. Izvi zvinoreva kuti kana angoiswa, nzvimbo yekuona kamera uye mwero wezoom zvinoramba zvakafanana. Kune rumwe rutivi, magirazi evarifocal anopa huwandu hwakasiyana hwemarefu ekuona kamera anogadziriswa, zvichibvumira kushanduka-shanduka mukuchinja nzvimbo yekuona kamera uye mwero wezoom sezvinodiwa.
Munda weMaonero:
Negirazi rakagadzika, nzvimbo yekuona yakafanorongwa uye haigone kuchinjwa pasina kutsiva iro girazi.Magirazi eVarifocal, kune rumwe rutivi, inopa mukana wekugadzirisa lenzi nemaoko kuti ionekwe zvakanaka kana kuti zvakamanikana, zvichienderana nezvinodiwa nekutarisa.
Danho reZoom:
Magirazi asina kugadzika haana chinhu chekuzoom, sezvo urefu hwawo hwefocal hunoramba hwakafanana. Zvisinei, magirazi eVarifocal anobvumira zoom mukati kana kunze nekugadzirisa urefu hwefocal mukati mehuwandu hwakatarwa. Ichi chinhu chinobatsira kana uchida kutarisa pane zvinhu zvakananga kana zvinhu zviri kure zvakasiyana.
Sarudzo pakati pemalenzi evarifocal neasina kugadzika zvinoenderana nezvinodiwa zvekutarisa zvekushandisa. Malenzi asina kugadzika akakodzera kana nzvimbo yekuona yakagadzikana uye zoom level yakakwana, uye hapana chikonzero chekugadzirisa maonero ekamera.
Magirazi eVarifocalZvinoshanda zvakasiyana-siyana uye zvinobatsira kana zvichidikanwa kuti munhu agone kuchinja maonero ake uye zoom, zvichibvumira kuti zvienderane nemamiriro akasiyana-siyana ekutarisa.
Nguva yekutumira: Nyamavhuvhu-09-2023
