Zoom Lens: Chii uye Rini Kuchishandisa

by kim Updated: June 28, 2022

Zoom lenses ndechimwe chezvimedu zvinonyanya kuchinjika zvemidziyo yekutora mifananidzo, ichipa mutori wemifananidzo akasiyana siyana maficha uye sarudzo.

Iyo zoom lens inogona kubatsira kugadzira mifananidzo inokatyamadza ine yakanaka bokeh mhedzisiro, kana kutora zvidzidzo zviri kure nekujeka uye nemazvo.

Muchikamu chino, tichatarisa zvakadzama kuti chii chinonzi zoom lens, zvachingaite, uye nguva yekuishandisa kumapurojekiti ako ekutora mifananidzo.

Tsanangudzo yeZoom Lens

Mukutora mifananidzo, zoom lens imhando yelenzi ine hurefu hwakasiyana hwekutarisa. Iko kugona kushandura kureba kwekutarisa kunozivikanwa se zooming. Ne zoom lens, vatori vemifananidzo vanogona kukurumidza uye nyore kugadzirisa maonero avo kune chinyorwa chiri kutorwa nekugadzirisa kureba kwekutarisa.

Zoom lenses anoshandisa malenzi emukati akagadzirwa kuti afambe achienderana kune mumwe nemumwe kuitira kuti awane hukuru hwakasiyana hwemufananidzo pazvinhambwe zvakasiyana kubva pachinhu. Imwe neimwe mhando ye zoom lens inotaridzwa nerudzi rwayo - semuenzaniso, 18-55 mm kana 70-200 mm - iyo inoreva kupfupika uye kureba kwekutarisa kureba uko lens inogona kusetwa kwairi. Kazhinji kana uri kure nechidzidzo chako (semuenzaniso, kufamba uchidzokera kumashure), mufananidzo wako uchave mukuru; ukuwo, kana wava pedyo, zvichava zviduku (semuenzaniso, kufamba mberi).

Mazoom mazhinji ane huwandu hwe35mm lenzi. Izvi zvinoreva kuti ivo vanopa kuchinjika kwekugadzira sezvo vakakodzera kune akasiyana madaro ekupfura uye mafomati achivaita kuti aite zvakasiyana-siyana kupfuura maprime lens, ayo ane hurefu hwakatarwa husingagone kugadziridzwa pasina kushandura malenzi kana kubatanidza zvekunze zvekunze senge teleconverter. Zooms zvakare kazhinji inopa kupinza kuri nani pane yekutanga shanduro.

Mhando dzeZoom Lenses

Zoom lenzi dzinouya mune dzakawanda zvimiro uye saizi uye dzinozivikanwa nehurefu hwadzo hwekutarisa - kubva kupfupi kusvika kureba. Iyo yakaderera nhamba, iyo yakakura kona yekuona; iyo yakakwira nhamba, inova nhete. Zoom lenzi dzinogona kukamurwa kuita zvikamu zvitatu zvakasiyana: yakakura-angle zooms, yakajairwa zooms, uye telephoto zooms.

Wide-angle zoom lens inopa kona yekuona iyo yakapamhama kupfuura yaunogona kuwana neyakagadziriswa focal kureba lens kana standard zoom lens. Iyi isarudzo yakanaka kana iwe uchida kutora mapanoramas akakura kana kukwana zviratidziro zvakakura zvekunze mupfuti yako nekuti anomanikidza zvinhu zviri kure zvichidzikisa kukanganiswa kwemaonero uye nekukugonesa kutora zvese zviri mufuremu yako.

Standard zoom lenzi ane pakati nepakati pefocal kureba inoenda kubva pa24 kusvika 70mm pamhando zhinji. Ivo vanopa kuchinjika kwakawanda kupfuura yakamisikidzwa yakatarisa kureba lenzi nekuda kwekugona kwavo kukurumidza kugadzirisa kubva pakati-yakafara mapfuti kusvika pedyo-ups. Idzi mhando dze zoom lenses dzakanakira kushandiswa kwakasiyana-siyana senge kufamba mafoto, basa rezvinyorwa, zviitiko zvemukati, kutora mifananidzo yakajairwa kana snapshots yemazuva ese.

Telephoto zoom lenses inoratidzira kureba kwakatarisa kutangira pa70mm kana kureba uye kunosvika kumazana mashoma emamirimita (kana kutopfuura). Aya marudzi emalenzi anokunda pakuita kuti zvidzidzo zviri kure zvionekwe padhuze kana kupfura nzvimbo, kutorwa mifananidzo kwemhuka dzesango uye zviitiko zvemitambo pasina kuda kuwanda kwemagiya senge matripods nemamonopods nekuda kwekusimbisa kwavo kwakasimba kwemeso kunoderedza kuzunguzika kwekamera.

Benefits

Zoom lenses inopa kuita kwakasiyana-siyana kune vanotora mifananidzo, sezvo ivo vachipa yakafara kona yekuona uye kugona kuswededza mukati uye kutora zvimwe zvakadzama. Zoom lenses dzakanakira kutora nzvimbo uye zvakare kutora mafoto mhuka dzesango dzinoda kuswededzwa mukati kuti dzinyatso tarisisa kubva kure. Iko kune zvimwe zvakanakira zoom lenzi izvo zvatichatarisa zvino.

Kusiyanisa

Zoom lenses inopa yakawedzera kuita kwakasiyana-siyana kune vanotora mafoto emarudzi ese, vangave vane ruzivo nehunyanzvi kana kungogadzika nemidziyo yepamberi. Izvi zvinodaro nekuti zoom lenzi dzinogona kushandura kureba kwelenzi - kukuita kuti usarudze maonero akafara, kana telephoto zvichienderana nezvinokodzera chiitiko. Uku kugona kushandura pakati pehuwandu hwehurefu hunoenderana hunoita kuti ive yakanaka kune vese vanotanga, vanogona kudzidza kunyora nemazvo mapfuti avo, uye nyanzvi dzinotsvaga kugadzira mafoto anokatyamadza.

Zoom lenses zvakare inovhura mikana yekugadzira - kunyanya nemifananidzo yemifananidzo. Kwete chete ivo vanogona kutora pedyo-ups uye mapfuti akasimba angave akaoma kana wanga uchishandisa prime lens (yakagadziriswa focal kureba lens), asi iwe unogona zvakare chinja pakati pehupamhi hwakasiyana uye maonero panguva yekupfura. Uye nekuti akati wandei emhando idzi dzemalenzi akashongedzerwa nemifananidzo inodzikamisa maficha, iwe uchave nenguva iri nyore kuwana yakapinza mifananidzo munzvimbo yakadzikira pasina kuvimba nekumhanya kwevhavha refu kana kukurumidza bhaisikopo.

Aya maficha akasanganiswa anoita kuti ma zoom lenses adiwe kune akawanda marudzi ezvinoitika - kubva kumamiriro ekutora mafoto pazvingave zvinobatsira kuswededza munzvimbo yakasarudzika kuti utarise zvakanyanya pasina kuti uwedzere muviri; kutora mafoto emitambo uko zvidzidzo zvinogona kufamba nekukurumidza uye zvinoda kunongedzera chaiko; mhuka dzesango kutora mifananidzo kubva kure zvakachengeteka; macro mafoto uko kwakamanikana aperture marongero akanakira; pamwe nezvimwe zvakawanda! Pakupedzisira zoom lenzi dzinopa kuchinjika izvo maprime lens haakwanise kupa - saka kuva nepfungwa dzakavhurika kune dzakasiyana sarudzo kunogona kungotungamira hunyanzvi hwako kuiswa munzira nyowani!

Image Quality

Paunenge uchishandisa zoom lens, iwo mufananidzo unowanikwa unosungirirwa zvakananga kune hunhu hweiyo chaiyo lens iri kushandiswa. Pamutengo wakaderera, malenzi mazhinji ekuzoom haaburitse mufananidzo wakapinza senge prime lens - ine zvinhu zvemukati zvakanyanya zvinopa kupinza kwemufananidzo. Nekudaro, kufambira mberi kwemazuva ano mukugadzira lens kuri kupaza izvo zvipingamupinyi uye kune zvakawanda zvingasarudzwa zvemhando ye zoom lenses ine yakanakisa kugadzirisa uye musiyano muhurefu hwakasiyana hwakatarisana.

Zoom lenses inogona kupawo kuchinjika kwakawanda kana zvasvika kumamiriro ekupfura uye maonero, achipa vatori vemifananidzo kudzora kwekugadzira kwemifananidzo yavo. Nekuchinja kureba kwekutarisa, vanogona kugadzirisa zviri nyore ndima yavo yekuona uku vachichengeta kamera iri panzvimbo yakamira maererano nechidzidzo chavo. Izvi zvinogona kubatsira kunyanya kana kupfura munzvimbo dzakamanikana kana nharaunda dzakamanikidzika izvo zvingakanganisa kugona kwemutori wemifananidzo kugadzira pfuti yavo zvakakwana nechero imwe mhando yelenzi. Imwe bhenefiti yakakosha apa ndeyekuti iwe hauchafanirwa kutenderedza akawanda maprime lenses kana iwe usingade - pane kudaro unogona kushandisa imwe chete inosiyana-siyana zoom lens inovhara yako yese yaunoda kutarisisa kureba nekunakisisa kugadzirisa uye musiyano.

Mutengo-Unoshanda

Iyo zoom lens inogona kuve inodhura-inoshanda nzira yekuisa yako DSLR kuburikidza nematanho ayo. Zoom lenzi dzinodhura zvishoma pane maprime lens, ane hurefu hwakatarwa hwekutarisa. Zoom lenses zvakare akareruka uye akawedzera compact, ayo anobatsira pakufamba uye nzvimbo, pamwe nemugwagwa kana zvinyorwa zvemifananidzo. Pamusoro pezvo, kuve nekwaniso yekusiyanisa hurefu hwekutarisa kubva pakona yakafara kusvika patelephoto zvinoreva kuti haudi akati wandei malenzi ane hurefu hwakasiyana hwekutarisa zvese zvaunoda - kuchengetedza mari pagiya.

Chekupedzisira, kana iwe ukatenga zoom lens ine mufananidzo kudzikamisa (IS) yakavakirwa-mukati, iwe unozokwanisa kutora mifananidzo yakasvibira kunyangwe uchibata ruoko pakumhanya kwevhavha zvaisazogoneka pasina IS. Izvi zvinokutendera kuti upfure usingatenderere kutenderedza bulky tripod kana mamwe mamoiri ekuwedzera kugadzikana zvichiita kuti iwedzere kudhura maringe nenguva uye simba rinoshandiswa pakuseta uye kupaza kwemidziyo.

Nguva Yekushandisa Zoom Lens

Kuita sarudzo chaiyo yelens kana kupfura kunogona kuve nemhedzisiro yakakura pamhando yemifananidzo yako nemavhidhiyo. Pakusarudza lenzi, zvakakosha kuti uzive nguva yekushandisa zoom lens uye nguva yekuenda kune yakatarwa yakatariswa kureba lens. Zoom lenses inogona kubatsira zvakanyanya kune dzakasiyana siyana dzakasiyana dzekupfura. Ngatitarisei paunofanirwa kunge uchishandisa zoom lens uye kuti ingabatsire sei mafoto ako.

landscape photography

Kana zvasvika pakushandisa Zoom Lens yemifananidzo yenzvimbo, iwe unofanirwa kuziva kuti akawanda zoom lenzi haachengetedze kupinza kwakawanda pakureba kwawo kwekutarisa kana achienzaniswa neprime lenzi. Nekudaro, nezvakataurwa, mashoma maficha akasanganiswa nekukwanisa kugadzirisa nyore kuumbwa kwako pasina kufamba kana kushandura nzvimbo yekamera yako inogona kuramba yakakosha kuisirwa mari mune zoom lens.

Wide angle lenses (14 - 24mm) yakanakira kutora nzvimbo dzakakura uye zviratidziro zvakakura, nepo 24 - 70mm kana 24 - 105mm inowanzova iyo yakakurudzirwa siyana kana uchitsvaga-chinangwa-chese lens. Kune mamwe akasarudzika enzvimbo, akadai seanoshamisa makomo emakomo, mhuka dzesango munzvimbo / nzvimbo dzemusango uye kutora mafoto enyeredzi, 70 - 300mm uye pamusoro ane zvakawanda zvakasiyana-siyana zvekutora mapfuti akafara nefoni inosvika mukati meiyo furemu imwechete.

Chero rudzi rweLandscape mafoto anonyanya kufarirwa kwauri, panogona kunge paine zoom lens inozobatsira kutora mifananidzo yakanaka. Chinokosha ndechokusarudza imwe inokodzera zvose bhajeti yako uye zvido zvekugadzira.

Mifananidzo Photrait

Kutora mifananidzo kunowanzo wanikwa zvakanyanya uchishandisa zoom lens. Kuwedzera kugona mulenzi yako kunokutendera kuti ugadzire mifananidzo inokatyamadza yevanhu pasina kuifambisa uye kuimisa patsva kuitira kuti uwane iyo chaiyo furemu uye kuumbwa. Sezvineiwo, kana iwe uchikwanisa kushandisa prime lens, inokupa iwe kutaridzika kwakasiyana sezvo ichipa yakamanikana ndima yekuona-nemamwe mazwi izvo iwe zvaunogona kuona kuburikidza neyekuona inogumira saka iwe uine shoma wiggle kamuri paunenge uchigadzira yako. portrait. Saka nekudaro, vazhinji vane hunyanzvi hwekutora mifananidzo vanosarudza telephoto kana yepakati telephoto lenses yemifananidzo yavo nekuda kwekuwedzera kuchinjika kwekukwanisa kuswedera mukati nekunze zvichienderana nezvinodiwa zvechidzidzo chavo (kana kuti ndeupi rudzi rwekugadzira mhedzisiro yavanoda kuita. ) Telephoto lenses anowanzo shandiswa pamitambo kutora mafoto zvakare nekuda kwekugona kwavo kutora zvinhu zviri kure pedyo. Kusvika kureba kunopawo vatori vemifananidzo dzimwe sarudzo kana vachipfura nechiedza chechisikigo, sezvo vachigona kuwedzera kana kuderedza chinhambwe pakati pavo nechidzidzo chavo vachiri kuchengeta zvinhu mukati mefuremu.

Mitambo uye Wildlife Photography

Mitambo uye kutora mafoto emhuka dzemusango zvinowanzoda kukurumidza kuvhara kwevhavha uye zvingangoda kutorwa mifananidzo imwe chete inofamba kubva kure. Mumamiriro ezvinhu akadaro, telephoto kana zoom lens inogona kubatsira kuzadzisa pfuti yaunoda. Telephoto lenzi dzinouya muhukuru hwakasiyana uye hurefu, ne70mm iri nzvimbo yakanaka yekutanga kana uchangotanga.

Aya lenzi anotendera iwe kuti uswededze muchidzidzo chako uku uchikupawo nzvimbo yekudzosera sezvinodiwa. Yekukurumidza shutter kumhanya kunobatsira kumisa chiitiko uye kuchengetedza zvese zvakapinza, saka kuve neanokurumidza lenzi kwakakosha kumitambo uye kutora mifananidzo yemhuka. Iyo inokurumidza kuvhura uye yakatarisana nerenzi yelenzi, ndiko kuwedzera kwakawanda kwauchaita mumapfuti ako.

Telephoto lenses anonyanya kukodzera zviitiko zvine mashoma kufamba uye mitambo inosanganisira nzvimbo huru dzakavhurika senge track-and-field zviitiko uye auto mijaho. Mitambo iyo vatambi vanopatsanurwa nemadaro akakura senge gorofu, kufambisa chikepe kana kusefa inogona zvakare kubatwa nyore uchishandisa telephoto lens, nekuti inotora ruzivo kubva kure kupfuura mamwe akawanda marudzi emalenzi anogona kusvika.

Saka kana iwe uchifarira kupfura mhuka dzesango kana zvemitambo kutora mafoto nguva nenguva, kuisa mari mune yemhando 70-300mm telephoto lens inotozokupa kudzoka kwakanaka maererano nemifananidzo yakavandudzwa. Iyo zoom kugona inokutendera kuti utore nyore nyore huwandu hunokatyamadza hweruzivo rwunopihwa neizvi zvidzidzo zvinoshamisa uchibvumira maonero epedyo asingawanikwe neyechinyakare "kit" lenzi senge 18-55mm zooms anowanzo kuuya akaunganidzwa nedhijitari SLRs kana yatengwa nyowani.

mhedziso

Mukupedzisa, zoom lenses inopa vatori vemifananidzo chishandiso chinogoneka uye chinochinjika chekugadzira. Ivo vanokutendera iwe kukurumidza kuenda kubva pahupamhi-kona kuenda kune telephoto maonero pasina kushandura lenzi. Kuziva nguva yekushandisa zoom lens kunogona kukubatsira kuwana zvakanyanya kubva pakutora mafoto ako. Saka, kunyangwe iwe uri kupfura nzvimbo, mapikicha, kufamba mafoto, kana chero chimwe chinhu, zoom lens inogona kuve sarudzo yakanaka.

pfupiso

Muchidimbu, zoom lens imhando yekamera lens iyo inokutendera kuti utarise pazvinhu zviri madaro akasiyana. Iyo ine kugona kwe "zoom in" uye "zoom out" kushandura ndima yekuona mumufananidzo sezvinodiwa. Zoom lenzi dzinoita zvakasiyana-siyana, zvichiita kuti dzive dzakakwana kune dzakasiyana siyana dzemifananidzo senge nyika, mapikicha, mitambo yemifananidzo, mhuka dzesango, nezvimwe.

Paunenge uchifunga kuti ndeipi zoom lens yekuwedzera kune yako yekuunganidza, zvakakosha kuti utarise zvinhu zvakaita seyakatarisana kureba (wide-angle kana telephoto), yakakura aperture saizi, mhando yekuvaka (simbi vs plastiki), uremu uye saizi yelenzi. Hazvina mhosva kuti ndeipi zoom lens yaunosarudza, ita shuwa kuti inokupa iwe kuita kwakanakisa kune chako chaunoda kutora mafoto.

Mhoroi, ndini Kim, amai uye munhu anofarira zvekumira-famba ane ruzivo mukugadzira midhiya nekuvandudzwa kwewebhu. Ndine chido chikuru chekudhirowa uye mifananidzo, uye ikozvino ndiri kunyura nemusoro munyika yekumira-kufamba. Neblog rangu, ndiri kugovera zvandinodzidza nemi varume.