Yikuphi ubude obujwayelekile bokugxila kwamalensi wezimboni? Yiziphi izinto ezidinga ukubhekwa lapho ukhetha imodeli?

1,Yikuphi ubude obugxile obuvame ukusetshenziswa kwamalensi wezimboni?

Kunobude obuningi obugxile kuamalensi wezimboni. Ngokuvamile, amabanga aphezulu ahlukahlukene akhethiwe ngokuya ngezidingo zokudubula. Nazi ezinye izibonelo ezivamile zobude obugxile:

A.Ubude obugxile ku-4mm

Amalensi alobu bude obugxile alungele ukudubula izindawo ezinkulu kanye namabanga amabanga asondelene nama-FavormshonusWops, izindawo zokugcina impahla, njll.

B.Ubude obugxile kakhulu be-6mm

Uma kuqhathaniswa nelensi yobude obugxile kwe-4mm, leli yilensi yobude obude kakhulu, efanelekile ngezikhathi ezikhudlwana. Imishini eminingi emikhulu yezimboni, njengamathuluzi omshini omkhulu, imigqa emikhulu yokukhiqiza, njll., Ingasebenzisa ilensi engu-6mm.

C.Ubude obugxile kwe-8mm

Ilensi engu-8mm ingabamba izigcawu ezinkulu, ezinjengomugqa omkhulu wokukhiqiza, i-warehouse, njll. Kumele kwaziwe ukuthi i-lens yalokhu kugxila kungadala ukuhlanekezela kwesithombe ezigcawini ezinkulu.

Ilensi yezimboni ukudubula izigcawu ezinkulu

D.Ubude obugxile ku-12mm

Uma kuqhathaniswa nelensi yobude obungu-8mm, amalensi ayi-12mm anebanga elibanzi lokudubula futhi alungele ukusetshenziswa ezigcawini ezinkulu.

E.Ubude obugxile ku-16mm

Ilensi ebude obugxile kwe-16mm iyilensi yobude obugxile kakhulu, efanelekile yokudubula emabanga aphakathi. Ingasetshenziswa ukudubula izingxenye ezithile zefektri, njengemishini, imishini, njll.

F.25mm ubude obukhulu

Ilensi engu-25mm i-lens yefoni, elungele kakhulu ukudubula ibanga elide, njengokudubula ukubukwa kwephaneli kwayo yonke imboni kusuka endaweni ephezulu.

G.I-35mm, 50mm, 75mm kanye nobunye ubude obugxile

Amalensi afana ne-35mm, 50mm, futhi ama-75mm amade okugxila ku-lens agxile ezithelweni zezimboni ezikude, noma nge-macro (eduze kakhulu

2,Iziphi izinto okufanele zibhekwe lapho ukhetha ama-lens wezimboni?

Lapho ukhetha iIlensi yezimboni, lezi zinto ezilandelayo zidinga ukubhekwa:

A.Izidingo zesicelo

Ngaphambi kokukhetha i-lens, nquma ukuthi hlobo luni lwelensi isicelo sakho esidingayo. Ngoba izinhlelo ezihlukile zidinga izinhlobo ezahlukene zamapharamitha anjenge-aperture, ubude obugxile kanye nomkhakha wokubuka.

Isibonelo, ingabe udinga ilensi ebanzi engela noma ilensi yocingo? Udinga ukugxila okuhleliwe noma amandla okusondeza? Lokhu kunqunywa ngokusekelwe kwizidingo zohlelo lokusebenza.

Khetha ama-lens wezimboni ngokuya ngezidingo zohlelo lokusebenza

B.Amapharamitha we-Optical

I-Aperture, ubude obugxile kanye nomkhakha wokubuka wonke amapharamitha abalulekile e-lens. I-aperture inquma inani lokukhanya okudluliselwa yilensi, futhi i-aperture enkulu ingathola ikhwalithi yesithombe engcono ezimeni eziphansi zokukhanya; Ubude obugxile kanye nensimu yokubuka kunquma inkambu yokubuka nokukhulisa kwesithombe.

C.Isifanekisorisimemeziso

Lapho ukhetha i-lens, kufanele futhi ukhethe i-lens efanelekile esekelwe kwizidingo zesimo sesithombe. Ukulungiswa kwelensi kufanele kuhambisane namaphikseli wekhamera ukuqinisekisa izithombe ezisezingeni eliphakeme.

D.Ikhwalithi ye-lens

Izinga le-lens linquma ngqo ukucaciswa nokuhlanekezela kwesithombe. Ngakho-ke, lapho ukhetha ilensi, kufanele ucabangele i-lens evela ku-brand ethembekile ukuqinisekisa ukusebenza okuqinile okubonakalayo.

E.Ukuzivumelanisa nezimo zemvelo

Lapho ukhetha i-lens, kufanele futhi ucabangele izimo zemvelo zohlelo lwakho lokusebenza. Isibonelo, uma imvelo yohlelo lokusebenza inezici ezinjengothuli, umswakama, noma lokushisa eliphakeme, udinga ukukhetha ilensi elowuthuli, olungangeni manzi, kanye nokungalingani okushisa okuphezulu.

F.Isabelomali selensi

Isabelomali singesinye sezinto ezibalulekile okufanele sizicabangele lapho sikhetha ilensi. Imikhiqizo ehlukene namamodeli ama-lens anamanani ahlukile, ngakho-ke qiniseka ukuthi ukhetha ilensi efanele ngokuya ngobubanzi bakho besabelomali.

Imicabango yokugcina:

UChuangan wenze ukwakheka kokuqala nokukhiqizwa kweamalensi wezimboni, ezisetshenziswa kuzo zonke izici zezicelo zezimboni. Uma unesifiso noma unezidingo zamalensi wezimboni, sicela uxhumane nathi ngokushesha okukhulu.