Kodi lens yokhazikika yokhazikika ndi chiyani?

Monga dzina likunenera, amandala okhazikikandi mtundu wamagalasi ojambulira okhala ndi utali wokhazikika, womwe sungathe kusinthidwa ndikufanana ndi lens yowonera.

Tikayerekeza, magalasi osasunthika amakhala ndi kabowo kokulirapo komanso kowoneka bwino kwambiri, kuwapangitsa kukhala oyenera kujambula zithunzi zapamwamba kwambiri.

Kusiyana pakati pa magalasi okhazikika ndi ma zoom lens

Ma lens okhazikika okhazikika ndi ma zoom ndi mitundu iwiri yodziwika bwino ya magalasi a kamera, ndipo kusiyana kwawo kwakukulu kuli ngati kutalika kwake kumasinthika.Iwo ali ndi ubwino wawo akagwiritsidwa ntchito muzochitika zosiyanasiyana zogwiritsira ntchito.

Mwachitsanzo, lens yokhazikika ndiyoyenera kugwiritsidwa ntchito ngati pali kuyatsa kokwanira, kufunafuna chithunzi chapamwamba, komanso mitu yojambulira yosasunthika, pomwe lens yowonera ndi yoyenera pazithunzi zomwe zimafunikira mawonekedwe osinthika, monga kujambula pamasewera.

Ma lens okhazikika

Kutalika kwapakati

Kutalika kwa lens yokhazikika kumakhazikika, monga 50mm, 85mm, etc., ndipo sikungasinthidwe.Ma lens a zoom amatha kusintha kutalika kwake pozungulira kapena kukankhira ndi kukoka mbiya ya mandala, kulola kusankha kosinthika pakati pa mbali yayikulu ndi telephoto.

Omagwiridwe antchito

Mwambiri, amandala okhazikikaili ndi mawonekedwe abwinoko kuposa ma lens owonera chifukwa mapangidwe ake ndi osavuta ndipo safuna kulingalira za kayendedwe ka mandala kapena mawonekedwe ovuta.Kunena zoona, magalasi osasunthika amakhala ndi kabowo kakang'ono (kokhala ndi F-value yaying'ono), yomwe imatha kupereka chithunzithunzi chabwinoko, kuwala kokulirapo, ndi zowoneka bwino zakumbuyo.

Koma tsopano ndi chitukuko chaukadaulo, ma lens ena apamwamba kwambiri amathanso kufika pamlingo wa magalasi okhazikika potengera mawonekedwe a kuwala.

Kulemera ndi kuchuluka kwake

Kapangidwe ka lens yokhazikika ndi yosavuta, nthawi zambiri imakhala yaying'ono komanso yopepuka kukula kwake.Kapangidwe ka lens ya zoom ndizovuta kwambiri, zomwe zimakhala ndi ma lens ambiri, motero nthawi zambiri zimakhala zolemera komanso zazikulu, zomwe sizingakhale zosavuta kuti ojambula azigwiritsa ntchito.

Njira yowombera

Lense yokhazikika yokhazikikas ndi oyenera kuwombera zochitika zinazake kapena maphunziro, chifukwa kutalika kwake sikungasinthidwe, ndipo magalasi oyenerera ayenera kusankhidwa potengera mtunda wowombera.

Lens ya zoom imasinthasintha ndipo imatha kusintha kutalika kwanthawi yayitali malinga ndi zosowa zowombera popanda kusintha malo owombera.Ndizoyenera pazithunzi zomwe zimafuna kusintha kosinthika pamtunda wowombera ndi ngodya.