Qonda iMilinganiselo yeZoom eziNxulumene neLense nganye
Xa wenza ukutshintshwa ukusuka kwindawo kwaye uphendule ikhamera ukuya kwi-DSLRs okanye i-camera lens (IMCs) ezingenakubuyiselwayo, enye yekhamera yelenki eguquguqukayo engadidekiyo ukuqonda ubuchule befowuni ye-telephoto, kunye nendlela esebenza ngayo.
Nangona inkqubo esetyenziselwa ukulinganisa ulwahlulo lwefowuni ye-zoom lens yekhamera ye-lens eguquguqukayo iyafana nendlela olinganisa ngayo uluhlu lwe-zoom lens kwinqanaba kwaye uphendule (okanye i-lens fixed) ikhamera, kukho ukungafani kwindlela manani anikezelwa angakhokelela ekudidekeni.
Qhubeka ufunda ukuze ufumane ukuqonda okungcono indlela yokulinganisa iifowphoto zamandla akho okutshintshaniswa kwilensi ngokubhekiselele kwinto enokuba nayo ibe nekhamera yakho yangasese! (I-zoom lens luhlobo lwentsimbi ekwazi ukudubula kwii-focal lengths, ngokubhekiselele kwi-lens prime ekwazi ukudubula kumgama omnye.)
Ukutshintsha uluhlu lwesondlo
Ngekhamera yekhendi ehleliweyo, mhlawumbi unesandi sokusondeza esijikeleze inkinobho yokuvala okanye ukutshintsha kwe-zoom emva kwekhamera. Cinezela i-zoom yenza enye indlela ukuqhubela phambili uluhlu lwesondlo kwi-setting ye-telephoto, kwaye cinezela ngenye indlela ukudala ngaphezulu kwendawo yokujonga i-angle.
Ngomfanekiso we-DSLR okanye i-mirrorless ILC, mhlawumbi uza kutshintsha isilungiselelo sokusondeza ngokuphambanisa i-zoom kwi-lens ngokwayo. Iikhamera ezincinci eziphambili ze-DSLR zinika ithuba lokusondeza amandla, okukuvumela ukuba usebenzise umtshini ukuqhubela phambili ukutsalisa, kodwa kuxhomekeke kulolu hlobo kunye ne-brand ye-lens kunye nekhamera.
Umlinganiselo wobude obude
Xa uzama ukucacisa ububanzi bendawo yobude be-zoom lens, uvame ukubona uluhlu oludweliswe njengengxenye yeli lensi. Ngokomzekelo ungabona i-lens nge-25-200mm kunye ne-DSLR yakho okanye imodeli engavumelekanga ye-ILC.
Ngeli phuzu kwaye uphendule ikhamera, ukulinganisa ubude obunzulu bentsimbi yesondlo kuyafana, kubonisa uluhlu. Nangona kunjalo, olu luhlu alufakwe njengenxalenye yegama lekhamera. Uya kufuneka ukhangele uluhlu kwibarha yeenkcukacha zekhamera ezininzi ixesha. Abenzi bekhamera ze-lens ezicwangcisiweyo nje abasebenzisi ngokubanzi lo mlinganiselo kwizinto zokuthengisa.
Isilinganiselo sokusondeza
Ngephuzu kwaye uphendule ikhamera, umlinganiselo oqhelekileyo oqhelekileyo ukubonisa ukuba ubude bendawo yobude bekhamera yokusondeza yekhamera yindlela yokumisa ye-optical zoom. Lo mlinganiselo uza kukhuthazwa ngokubanzi kwizinto zokuthengisa, kwaye zikwahlulelwa kwiinkcukacha. (Ngeli nqanaba kwaye uphononise ikhamera ububanzi bendawo yokubala ubude budweliswe emva kokulinganisa kwe-optical in the list of specifications.)
I-zoom ye-optical ihlala ibhalwe njengenombolo elandelwa yileta X. Ngoko ikhamera inokulinganiswa kwe-8X.
Olu hlobo lwesilinganiselo alufaneki ukuba lubonakaliswe kwizinto zokuthengisa zentsimbi eguquguqukayo, nangona kunjalo. Ukubala i-zoom ye -optical ye-lens eguquguqukayo ikwahlula kuphela ubukhulu becala le-telephoto elide apho i-lens ingakwazi ukurekhoda umfanekiso (njengama-200mm kumzekelo ukhankanywe apha ngasentla) ngowona ububanzi obude obude be-lens (25mm kumzekelo ongentla) . Ngoko ama-200 ahlukaniswe ngama-25 aya kuvelisa umlinganiselo we-optical zoom 8X.
Ukufumana i-zoom enkulu ye-zoom zoom
Ngokuqhelekileyo i-lens kwikhamera ye-lens egxininisiweyo iya kukunika uluhlu olubanzi lokusondeza kunokuba ungayifumana nayiphi na ilensi yokusondeza eyenzelwe ikhamera yelenki eguquguqukayo . Ngoko ukuba unayo i-25X yecala lokutshiza lento kunye nepowuni yakho, ungalindelanga ukuphindaphinda loo mlinganiselo kwilenki yakho eguquguqukayo, kuba iindleko ziya kuba zivumelekile kulolu hlobo lwentsimbi.