2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2023-12-16 05:41
Whale lo ntsiab muag yog tus qauv ntawm cov koob yees duab sib pauv tau thiab feem ntau yog cov qauv SLR. Qee tus xav txog lawv tsis muaj ntau yam thiab ua haujlwm tau zoo hauv kev sib piv nrog cov cuab yeej kho qhov muag ntawm cov kab qub. Tab sis qhov txiaj ntsig tseem ceeb ntawm whale optics, thaum piv nrog cov khoom sib piv kim, yog kev pov hwm ntawm 4 lub focal ntev ntev, uas feem ntau siv los ntawm cov kws yees duab hauv tsev kawm qub.
Nws yog dab tsi thiab nws txawv li cas ib txwm?
Whale lens hauv lub koob yees duab kuj tseem hu ua lub lens pib. Cov kws yees duab uas paub zoo feem ntau siv cov koob yees duab nrog "qhov qub" qhov muag. Cov qauv ntses ntses feem ntau tau xaiv los ntawm cov pib ua kom paub txog cov kev ntsuas yooj yim . Optics los ntawm kab no yog qhov tsis txaus ntseeg thiab pheej yig. Kev nqa cov koob yees duab nrog lo ntsiab muag whale tsis nce lawv tus nqi ntau heev.
Lub koob yees duab nrog lub lens whale ua raws li kev qhia rau lub ntiaj teb kev yees duab, nws tau nruab nrog txhua yam koj xav tau kom thaij duab zoo thiab tsim kho kom zoo.
Ntau yam
Whale optics suav nrog lo ntsiab muag nrog lub focal ntev ntawm 18-55 hli. Nws feem ntau yog nruab nrog lub koob yees duab digital pheej yig. Qhov ua kom pom tseeb tso cai rau koj npog ntau qhov xwm txheej thaum tsim kev txhaj tshuaj pib xyaum ua.
Cov tsom iav nrog tsom mus deb ntawm 18 hli tuaj yeem siv rau kev nthuav qhia duab toj roob hauv pes . 35 mm optics tau siv rau kev yees duab ib yam, thiab 55 mm rau kev yees duab duab.
Tab sis qee qhov xwm txheej, qhov qhia ntau ntxiv yuav tsis txaus, tom qab ntawd koj yuav tsum siv cov cuab yeej kho qhov muag ntawm qhov sib npaug ntau dua, lawv tseem suav tias yog ntses ntsaum, lawv tau nruab nrog lub koob yees duab.
Hauv qhov luv-pov qhov muag, lub kaum sab xis pom yog 18-55 hli, nws zoo haum rau kev thaij duab thiab duab toj roob hauv pes, rau kev kaw ze, thiab thaum tsim cov duab, nws raug nquahu kom siv cov tsom iav ntev nrog lub kaum ntse ntse saib ntawm 55-200 hli.
Chaw tsim tshuaj paus
Ntau lub npe tau koom nrog hauv kev tsim cov whale optics. Nws yog qhov zoo tshaj los xaiv cov cuab yeej los ntawm cov tuam txhab tsim khoom ntseeg. Cov no yog cov tuam txhab xws li:
- Canon;
- Sony;
- Nikon;
- Fujinon thiab lwm tus.
Cov kab ntawm cov npe no suav nrog cov koob yees duab pheej yig nrog whale optics.
Cov Lus Qhia Xaiv
Ua ntej yuav lub koob yees duab nruab nrog lub tsom iav whale, koj yuav tsum txheeb xyuas qhov zoo thiab qhov tsis zoo ntawm cov kev kho qhov muag.
Qhov txiaj ntsig tseem ceeb ntawm cov cuab yeej kho qhov muag los ntawm tsev neeg no yog tias lawv muaj tus nqi pheej yig . Qhov no yog qhov zoo tshaj plaws piv ntawm tus nqi thiab qhov zoo.
Kev hloov kho niaj hnub ntawm cov tsom iav qhov muag tsis qis dua qhov ntse rau qhov kim dua analogues hauv lwm yam ntawm toj roob hauv pes thiab duab thaij duab. Lawv kuj tseem tuaj yeem siv thaum mus ncig, vim tias lub qhov taub kaw tau siv los ntes cov xwm txheej zoo li no.
Tab sis txhawm rau tua cov teeb pom kev zoo tsis txaus, nws zoo dua los xaiv lwm txoj hauv kev.
Feem coob ntawm cov iav lo ntsiab muag tau nruab nrog lub kho qhov muag ruaj khov. Qhov no ua rau nws muaj peev xwm coj cov duab zoo uas tsis siv lub tswb.
Lwm qhov ntxiv ntawm whale optics yog qhov ua kom pom tseeb luv . Nws tuaj yeem siv rau kev yees duab macro. Qhov kev ncua deb no tsis yog ib qho rau txhua lo ntsiab muag. Kev hloov kho cov ntxaij lim dej thiab txuas txuas ntxiv tuaj yeem siv tau raws li xav tau.
Qhov hnyav ntawm lub lens khoom yog 200-250 grams. Qhov hnyav ntawm cov khoom siv, uas suav nrog lub koob yees duab nrog qhov zoo sib xws, yog kwv yees li 0.5 kg. Cov koob yees duab tshaj lij hnyav dua. Cov koob yees duab nrog whale optics tau yooj yim siv thaum taug kev ntev - txhais tes yuav tsis nkees, uas yuav ua rau koj mob siab rau kev tua ntau li ntau tau.
Cov cuab yeej kho qhov muag ntawm hom no tsis muaj qhov tsis zoo. Lawm, cov qauv niaj hnub ntawm cov khoom siv lo ntsiab muag tau zoo dua li cov cim dhau los, tab sis txhua qhov ua tsis tau tseem tsis tau raug tshem tawm.
Thawj qhov tsis zoo yog cuam tshuam nrog kev tsim khoom zoo thiab cov khoom siv . Lub lens qee zaum squeaks thiab muaj qhov cuam tshuam me ntsis. Autofocus ua suab nrov, nws qis dua hauv kev nrawm rau cov qauv kim dua. Lub cev ntawm cov iav no yog ua los ntawm cov yas pheej yig. Lawv tsis tiv thaiv los ntawm hmoov av thiab ya raws.
Lwm qhov tsis zoo yog cuam tshuam nrog qhov qis qis qis . Raws li qhov ntsuas no, whale optics yog qhov ua tsis tau zoo rau cov qauv zoo. Cov tsom iav Whale yuav tsum raug xaiv nyob rau hauv rooj plaub uas lub qhov taub tsis ua lub luag haujlwm txiav txim siab. Cov cuab yeej zoo li no tsis muab sijhawm rau "tshem tawm" cov khoom los ntawm keeb kwm yav dhau, nrog lawv nws tsis tuaj yeem ua tiav qhov zoo nkauj plooj ntawm keeb kwm yav dhau.
Yog tias koj txiav txim siab yuav lub koob yees duab nrog lub lens whale, koj yuav tsum xaiv cov khoom siv los ntawm cov tuam txhab uas paub zoo.
Cov lus qhia rau kev siv
Qee qhov tsis lees paub ntawm lub lens whale - thiab tsis muaj txiaj ntsig. Qhov no yog qhov kev xaiv zoo rau cov pib tshiab uas tseem tsis tau paub zoo txog cov ntsiab lus, tsis nkag siab zoo tias lub focal ntev yog dab tsi, yuav teeb nws li cas.
Nws tsim nyog pib ua txuj ci txuj ci yees duab nrog lub lens whale . Nws yuav tso cai rau koj sim tawm ntau yam ntawm lwm yam, qhia koj txog cov yam ntxwv tseem ceeb ntawm cov cuab yeej kho qhov muag. Lub lens no tuaj yeem siv rau kev tua hauv qhov xwm txheej tsis zoo thaum muaj kev pheej hmoo siab ntawm kev puas tsuaj rau qhov muag.
Txhawm rau tsom mus rau qhov raug, koj yuav tsum tswj kom nrug deb tsawg kawg 25 cm.
Txoj hauv kev no ua rau nws muaj peev xwm yees duab, suav nrog kaw. Koj tuaj yeem tshem tawm lub koob yees duab co los ntawm kev teeb lub nrawm mus rau 1/100 thib ob. Ntau tus kws yees duab siv qhov kev xaiv ruaj khov duab.
Qhov tseem ceeb yog tsis txhob hnov qab tias cov duab zoo hauv feem ntau yog nyob ntawm kev txawj ntawm tus neeg uas siv daim duab ., tsis yog los ntawm cov cuab yeej siv txuj ci. Siv lub lens whale los txhim kho koj cov txuj ci yees duab. Paub txog qhov muaj peev xwm ntawm cov kev kho qhov muag, koj tuaj yeem txiav txim siab sai sai ntawm hom haujlwm ntawm kev ua haujlwm yav tom ntej. Yog tias ib tus neeg tsis muaj kev paub txog kev yees duab, tsis muaj ib qho tseem ceeb hauv kev yuav qhov muag kim sai sai, nws yog qhov zoo dua los pib nrog lub lens ntses. Pob nyiaj siv lub koob yees duab nruab nrog pib siv cov cuab yeej kho qhov muag muaj ntau qhov zoo, thiab lawv cov kev yuav khoom tsis xav tau kev siv nyiaj ntau.
Pom zoo:
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Cov koob yees duab ua haujlwm thiab lawv cov yam ntxwv: lawv yog dab tsi, lawv siv rau dab tsi? Cov lus pom zoo rau kev siv thiab teeb tsa, cov qauv zoo tshaj plaws. Cov lus qhia txog lub koob yees duab twg los xaiv rau kev dhia dej thiab kev yees duab
Cov Koob Yees Duab Digital (47 Duab): Lawv Yog Dab Tsi? SLR Thiab Lwm Lub Koob Yees Duab. Thaum Twg Thawj Lub Koob Yees Duab Tshwm? Yuav Xaiv Lub Koob Yees Duab Zoo Li Cas?
Cov Koob Yees Duab Digital - Lawv Yog Dab Tsi? Xav txog cov yam ntxwv thiab yam ntxwv ntawm SLR thiab lwm lub koob yees duab. Thaum twg thawj lub koob yees duab tshwm? Lawv faib ntau yam dab tsi? Yuav xaiv tus qauv "koj" li cas?
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Cov yam ntxwv ntawm lub koob yees duab niaj hnub no yog dab tsi? Xaiv lub on-camera microphone rau lub koob yees duab, wireless, lapels. Koj yuav tsum xyuam xim dab tsi thaum xaiv? Cia peb txheeb xyuas sab saum toj ntawm cov qauv zoo tshaj plaws. Lawv yuav tsum tau teeb tsa thiab txuas nrog li cas?
Cov Koob Yees Duab (52 Daim Duab): Hom Koob Yees Duab Yees Duab, Lub Koob Yees Duab Yees Duab Me Me Nrog Tus Tiv Thaiv Thiab Lwm Yam Qauv. Nws Yog Dab Tsi, Yuav Xaiv Thiab Lawv Ua Haujlwm Li Cas?
Cov koob yees duab tau dhau los ua ib feem tseem ceeb ntawm peb lub neej nyob rau ob xyoos dhau los, tab sis thaum yuav cov cuab yeej zoo li no, koj yuav tsum xaiv kom zoo kom tsis txhob nkim koj cov nyiaj. Hom koob yees duab yees duab twg muaj? Cov khoom siv cuam tshuam li cas rau kev tua zoo? Dab tsi yog qee qhov yuam kev uas cov neeg ua haujlwm tshiab ua?
Qoob Qoob Loo Hauv Lub Koob Yees Duab (29 Duab): Nws Yog Dab Tsi? Cov Qoob Loo DSLR Txhais Li Cas? Qhov Txawv Ntawm Lub Koob Yees Duab Puv Ntoob Thiab Lub Koob Yees Duab Qoob Loo Yog Dab Tsi?
Qoob qoob loo hauv cov koob yees duab yog qhov taw qhia uas tuaj yeem tsav mus rau qhov kawg ntawm txhua tus pib uas tsis nkag siab tias vim li cas nws thiaj tsis pom lub lens zoo. Nws yog dab tsi, yuav xam nws li cas thiab vim li cas nws thiaj yuav pab tau? Cov qoob loo DSLR txhais li cas? Puas yog qoob loo tsis zoo dua lub koob yees duab puv ntoob lossis tsis yog?
