Fudula uphendule ngokugqibeleleyo kunye nalezi lensi eziphezulu ze-DSLR yakho
Zininzi iintlobo ezahlukeneyo zeekhamera zeekhamera kunye nemiba yokuqwalasela, ngoko ufuna ngokwenene ukwenza uphando lwakho ngaphambi kokuba ungene kwi-lens yokuthenga. Ukuze uqalise, kubalulekile ukufumanisa ukuba yeyiphi iilensi ezihambelanayo kunye neekhamera, kunye nesiphi isimbo sokudubula esifanelekileyo ngasinye.
Ngokuqhelekileyo, inkcazelo ebalulekileyo ye-lens ukwazi ukuba ubude obuphambili, obumele kwiimitha. Inombolo enye (umz. 28 mm) ibonisa ubude obude obujolisiweyo okanye i-"prime" lens, ngelixa uluhlu (umz. 70-300mm) lubonisa i-lens zoom. Ukucinga ukuba oko kuthetha ukuthini, khumbula ukuba iliso lomntu luthi luneli lingelo elilinganayo malunga ne-30-50 mm kwikhamera epheleleyo.
Sekunjalo, oku akuzange kuqale ukuthintela kwiindidi kunye nobunzima beekhamera zekhamera zedijithali. Kodwa ukuba unomuva okwaziyo ukuba ungene kuyo, nolu uluhlu lwabaqalayo lweelensi eziphezulu zeekhamera ze-DSLR.
Kuba abantu bekhangela i-Canon yokuqala i-lens ephezulu, enokuzithengisa, ibhetri yakho ibhetele mhlawumbi ye-Canon ye-EF 50mm f / 1.8 STM. Ihambelana neefomati ezipheleleyo kunye neekhamera ze-APS-C DSLR, kwaye zibonisa ubude obude be-50mm kunye nokuphakama okuphezulu kwe f / 1.8. Ibude obude obuphambili be-80 mm kwiikhamera ze-APS-C kunye ne-50mm kwiikhamera ezipheleleyo. Kwakhona kunomqhubi wokuhamba nge-autofocus ephathekayo, engasetyenziselwa i-stills okanye ividiyo. Zonke ezi zixhobo zenza ithuluzi elihle kunanto ukusuka kwiifraji ukuya kufotoko lwezithombe zangokuhlwa, kodwa, njengoko sichazwe kwi-intro, kuyona nto ibhetele ukuba usayazi ukuba yeyiphi isimbolo sokushiya. Ama-lens athile kakhulu asemidlalo, kwaye le lens eyinhloko yeCanon ayifani.
Ukuba ungumqhubi we-Nikon kwimarike ye-lens ephezulu efana neyenzileyo, khangela i-Nikon AF-S FX NIKKOR 50mm f / 1.8G. Kuye kunamacandelo amaninzi kunye neempawu ezifana neCanon EF 50mm f / 1.8 STM kwinqanaba lentengo ephakamileyo. Ingasetyenziselwa nayiphi na into esuka kwiifowuni ukuya kuthatha i-photo-action camera-kufuneka ube nekhamera ye-Nikon DSLR (ngokufanelekileyo imodeli yeFX). Ukukhawuleza, ukudibanisa kunye nesimo esomeleleyo kubaqalayo kunye nabafoto be-DSLR abaphakathi. Iimifanekiso ziphuma zibukhali kwaye zichanekile, nangona kukhanya okuphantsi, kwaye ukwakha ngokwabo kuzinzileyo kunye nempawu ezimbalwa zokuphula okanye ukuguga. Qhubeka ukhumbule, nangona kunjalo, ukuba le lensi inomgama osisigxina ekujoliswe kuyo malunga ne-1.48 ft, oku kuthetha ukuba awukwazi ukusondela kakhulu kwizifundo zakho. Ngenxa yoko, uya kufuna i-lens macro.
Iilensi zokusondeza ii-macro ziphakathi kweyona ndlela eninzi kakhulu ye-DSLR lens, eneentlobo ezahlukeneyo ngokubanzi malunga no-40-200mm. Ngama-70-300mm, le Tamron lens ilungele ukudubula okubhaliweyo, ngokukodwa imvelo, izilwanyana zasendle, ezemidlalo kunye nee-portraits. Njengawuphi na i-lens macro, imifanekiso iza kubuya igxininise kwaye igxininise kakhulu-phantse kakhulu , ukuba kukho into enjalo. Imifanekiso encinci yeentlobo ezinambuzane kunye neentyantyambo nazo zinokwenzeka, nangona, ngokuxhomekeke kubukhulu besifundo, unganakho ukuthabatha ngokupheleleyo kuyo. Izifundo ezikude, nangona kunjalo, ziya kugxininiswa kakhulu kwaye zifumane iinkcukacha ngokucwangcisa ngohlu lwe-zoom. Kwiimeko eziqhelekileyo, i-lens inomgama osisigxina wokugxilwa kwee-intshi ezingama-59, kodwa kunye nemodi enkulu yenza loo mda uhlahlela kwii-intshi ezingama-37.4. Oku kwenza ukuba lens versatile iinjongo ezahlukeneyo. Ngeenguqu ezifumaneka kwiNicon, Canon, Sony, iPentax kunye neConica Minolta DSLRs, le Tronron iyona ndlela inamandla kubafaki bezithombe ezifanelekileyo.
Ukufumana i-lens ye-zoom engcono kakhulu ayilula. Kukho ukhetho oluninzi nje, kodwa bambalwa banokuthi bajikeleze njenge Sigma 24-105mm F4.0 i-DG OS lensensi ye-HSM ye-Canon (i-Nikon kunye ne-Sony eyahlukeneyo ikhona). Ngexabiso layo lokucela, uya kufumana umxube omkhulu womfanekiso kunye nefowuni yefowuni ngokugxininisa ekugcineni isilinganiselo sokusondeza esiphezulu kangangoko kunokwenzeka ngaphandle kwamashishini aphikisayo.
Umgama osisigxina wokugxininisa we-intshi ezili-17 kunye nobukhulu becala be-1: 4: 6 kwenza i-Sigma ibe yinto efanelekileyo yokuvala okufutshane kunye nokwenza. I-zoom ye-24-105mm ye-F4 zoom izaliswe i-Sigma ye-Hyper Sonic Motor (i-HSM) eyenza i-autofocus ngokukhawuleza, ezolileyo kunye nechanekileyo kunye ne-optical stability. Izinto zokwakha ezilula ziyanciphisa ubunzima kunye nobukhulu be-lens jikelele kwaye, kwi-1.95 iipounds, kulula ukuba ungene esikhwameni. Ngaphandle kokubanjwa komfanekiso, i-Sigma idibanise ukuhambelana kwee-USB, evumela ukuba i-lens ixhumane ngekhompyuter ye-firmware ehlaziyiweyo.
Imali, i-EF-S ye-Canon ye-55-250mm F4-5.6 I-STM i-lens iyona xabiso elincinci ye-dollar-to-dollar oyifumana kwi-lens telefhoto. Ngobude obude kunye nokuphakama okukhulu phakathi kwama-55-250mm kunye no-1: 4-5.6, i-Canon ifanelekile ngokusondeleyo kunye nomgca wokugxininisa wee-2.8 inyawo. Ngomfanekiso ozinzileyo ongekho ebhodini, i-Canon inokukunceda ukuhlawula isandla sokusikraza kubasebenzisi bekhamera abanenkathazo yokugcina isandla esilukileyo ngenkqubela phambili.
Ukufakwa kwe-OIS kuncedisa ukufikelela kwe-Canon kunye nokuthunjwa kwezinto ezikude xa zigcinwe ngesandla esilandelayo. I-lens iquka i-Canon ye-Movie Servo AutoFocus iteknoloji, eqinisekisa ukulungiswa okuzolileyo ukuze ukonakalise ubude obungayi kuphazamisa nayiphi na izifundo okanye ihlabathi elikujikelezayo. Ukongeza ii-filters zokuhlutha i-snap, ngenxa yecala langaphambili le-lens ingaphenduli. Kwimizuzu engama-1.2 kuphela, i-lens iyanamathele ngokwaneleyo ukuba ihlale kwisikhwama sekhamera ngaphandle kokuthatha indawo enkulu okanye ukongeza ubunzima obukhulu.
I-Sigma iyabonwa ngokubanzi njengomnye wezinto eziphezulu zokuvelisa i-lens kwi-shishini, kwaye empeleni ngumenzi omkhulu wenzila lens ehlabathini jikelele. Bayathembeka ukuvelisa iilensi ezincinci, ezinokwethenjelwa zeekhamera ezahlukeneyo kunye neenjongo zokudubula, kwaye le lens ephezulu-wide angle ayifani. Ngoluhlu olujoliswe kwi-10-20mm nje kuphela, uyazi ukuba luza kunika ubunzulu bentsimi eninzi, kuncedisa ukuthatha izakhiwo zonke, amagumbi amakhulu kunye nezinye izifundo ezibalaseleyo. Ziye zenzelwe ukupakisha izakhiwo, ukuxhomekeka kwimihlaba enzima kunye neendawo zangaphakathi. Inika ukugxilwa ngokukhawuleza, izicwangciso ezichanekileyo, ukwakha okuqinile kunye nokuvelisa umbala obalaseleyo. Iingqiniso zeli lensi zinokuqhotyoshelwe kwiCanon, Nikon, Pentax kunye ne-Sony DSLR ikhamera.
Abanikazi beNikon bafanele bajonge kwi-Tamron AF 70-300mm f / 4.0-5.6 ilensi ngoba enye yeTamron lens yokuqala ifakwe i-ultrasonic Silent Drive (USD), eyenza ukugxila ngokukhawuleza. Oko kuthetha ukuba le lens ilungele ukuthatha izibhengezo zamanyathelo ngexesha leentlanga, ezemidlalo okanye ezinye izifundo ezihamba ngokukhawuleza. I-Tamron iphinda ifake imbuyekezo yokuxhamla ukuncedisa abafaki-zithombe ngeefowuni ezininzi kwiimodi ezigcinwe ngesandla kungakhathaliseki imeko yangaphandle.
Ukudibanisa ukugxilwa kwesikhokelo sobungqina besikhathi esigcwele kukunye okugqwesileyo, okuvumela umfaki-zithombe ukuba enze utshintsho kwimzuzwana ngaphandle kwemfuneko yokutshintsha okanye amamenyu. Le ncwadana ebandakanyekayo esuka eTamron ivumela iziphumo ezimangalisayo nakwiimeko apho ubunzulu bezityalo beefoto bukhawulelwe. Ukuqhathanisa ngokugqithisileyo kunezinye iilensi eklasini, iTamron yenzelwe ukugxila ekusebenzeni kakuhle kwaye ivelise amava amaninzi xa ihlala ikhula ngokukhawuleza.
Enye yeelensi eziphambili kunye ezibukhali kakhulu ezikhoyo, iTekina 11-16mm f / 2.8 I-AT-X116 iyimfuneko yokuthenga i-Canon ikhamera yabanikazi. Ngaphandle kwe-bat, uya kubona ukuba kunqongophala kwezakhiwo ezibonakalayo ezakhelwe ngaphakathi, kodwa kukho iimeko ezinqabileyo apho uya kulahlwa khona lo mbandela owenziwe ngumbonakalo wef / 2.8 nobude obude beTokina. Ngethamsanqa, yilapho iziphazamiso ziphela. I-Tokina yinto enamandla kakhulu ebonakalayo ebonakalayo ekukhanyeni okuphantsi, ngokubonga ukuphakama okuphezulu okunciphisa ukuphosa, ikakhulukazi ngokukhanyisa okuqinileyo.
Ukukhethwa kukaTokina kwe-11-16mm akushiyi ukusondeza okuninzi ukusebenza kunye, kodwa kunokwanela okwaneleyo ukuzongezela ngokukhawuleza kugxininise kwimida yesakhelo ngelixa ugxininisa umxholo wesiko. Ukulinganisa kuphela iipiliyoni eziyi-1.2, iTokina enye i-lens egxininisekile ehamba kakuhle ekuhambeni kokuhamba okanye ngokucwangcisa ngokwaneleyo ukuthwala iidolophu.