Lenzi yowonera makinandi lenzi yopangidwira kugwiritsidwa ntchito mu makina owonera, omwe amadziwikanso kuti magalasi a kamera ya mafakitale. Makina owonera makina nthawi zambiri amakhala ndi makamera amakampani, magalasi, magwero a kuwala, ndi mapulogalamu okonza zithunzi.
Amagwiritsidwa ntchito kusonkhanitsa, kukonza, ndi kusanthula zithunzi zokha kuti aweruze mtundu wa zinthu zogwirira ntchito kapena kumaliza kuyeza malo molondola popanda kukhudzana. Nthawi zambiri amagwiritsidwa ntchito poyesa molondola kwambiri, kupanga zokha, kuyesa kosawononga, kuzindikira zolakwika, kuyenda kwa maloboti ndi zina zambiri.
1.Kodi muyenera kuganizira chiyani posankha magalasi a masomphenya a makina?
Mukasankhamagalasi owonera makina, muyenera kuganizira zinthu zosiyanasiyana kuti mupeze lenzi yomwe ikuyenererani. Zinthu zotsatirazi ndi zomwe anthu ambiri amaganizira:
Malo owonera (FOV) ndi mtunda wogwirira ntchito (WD).
Malo owonera ndi mtunda wogwirira ntchito zimatsimikizira kukula kwa chinthu chomwe mungachione komanso mtunda wochokera pa lenzi kupita ku chinthucho.
Mtundu wa kamera yogwirizana ndi kukula kwa sensa.
Lenzi yomwe mungasankhe iyenera kufanana ndi mawonekedwe a kamera yanu, ndipo kupindika kwa chithunzi cha lenzi kuyenera kukhala kwakukulu kapena kofanana ndi mtunda wopingasa wa sensa.
Mtambo wodutsa wa ngozi yodutsa.
Ndikofunikira kufotokoza bwino ngati pulogalamu yanu ikufuna kusokoneza pang'ono, kulimba kwambiri, kuya kwakukulu kapena kukhazikika kwa lenzi yayikulu.
Kukula kwa chinthu ndi kuthekera kosintha.
Kukula kwa chinthu chomwe mukufuna kuchizindikira komanso kuchuluka kwa resolution yomwe ikufunika kuyenera kukhala komveka bwino, zomwe zimatsimikizira kukula kwa malo owonera ndi kuchuluka kwa ma pixel angati omwe kamera ikufuna.
Emikhalidwe ya chilengedwe.
Ngati muli ndi zofunikira zapadera pa chilengedwe, monga zosagwedezeka, zosagwirizana ndi fumbi kapena zosalowa madzi, muyenera kusankha lenzi yomwe ingakwaniritse zofunikirazi.
Bajeti ya mtengo.
Mtengo womwe mungakwanitse udzakhudza mtundu wa lenzi ndi mtundu womwe mudzasankhe pamapeto pake.
Lenzi ya makina owonera
2.Njira yogawa magalasi a masomphenya a makina
Pali zinthu zambiri zofunika kuziganizira posankha ma lens.Magalasi a masomphenya a makinaZingathenso kugawidwa m'mitundu yosiyanasiyana malinga ndi miyezo yosiyanasiyana:
Malinga ndi mtundu wa kutalika kwa focal, ikhoza kugawidwa m'magulu:
Lenzi yokhazikika (kutalika kwa focal kumakhazikika ndipo sikungasinthidwe), lenzi yozungulira (kutalika kwa focal kumasinthika ndipo ntchito yake imasinthasintha).
Malinga ndi mtundu wa aperture, ikhoza kugawidwa m'magulu:
Lenzi yotsegula ndi manja (malo otseguka ayenera kusinthidwa ndi manja), lenzi yotsegula yokha (lenziyo imatha kusintha yokha malo otseguka malinga ndi kuwala kozungulira).
Malinga ndi zofunikira pakupanga zithunzi, zitha kugawidwa m'magulu:
Magalasi okhazikika owunikira (oyenera kujambula zithunzi monga kuyang'anira bwino ndi kuwunika bwino), magalasi owunikira bwino (oyenera kuzindikira molondola, kujambula mwachangu komanso ntchito zina zomwe zimafuna kuwunikira kwakukulu).
Malinga ndi kukula kwa sensor, imatha kugawidwa m'magulu awiri:
Ma lenzi ang'onoang'ono a sensa (oyenera masensa ang'onoang'ono monga 1/4″, 1/3″, 1/2″, ndi zina zotero), ma lenzi apakati a sensa (oyenera masensa apakatikati monga 2/3″, 1″, ndi zina zotero), ma lenzi akuluakulu a sensa (a masensa athunthu a 35mm kapena akuluakulu).
Malinga ndi njira yojambulira, imatha kugawidwa m'magulu awiri:
Lenzi yojambulira zithunzi ya monochrome (ingathe kujambula zithunzi zakuda ndi zoyera zokha), lenzi yojambulira zithunzi zamitundu (ingathe kujambula zithunzi zamitundu).
Malinga ndi zofunikira zapadera zogwirira ntchito, zitha kugawidwa m'magulu:magalasi opotoka pang'ono(zomwe zingachepetse kusokonekera kwa chithunzi ndipo ndizoyenera kugwiritsidwa ntchito pazochitika zomwe zimafuna kuyeza molondola), magalasi oletsa kugwedezeka (oyenera malo opangira mafakitale okhala ndi kugwedezeka kwakukulu), ndi zina zotero.
Nthawi yotumizira: Disembala-28-2023
