Lub Hwjchim Teebmeem rau Tus Coj Tus Cwjpwm
Lub SB-900 series yog nyob rau saum Nikon tus flashgun ntau yam thiab muaj xws li qee qhov muaj zog tsis tshua muaj zog. Qhov series no yeej muaj cov tswb nrov thiab cov khoom txaus, tab sis nws puas tsim nyog them nqi ntxiv mus yuav qhov flash ntawm SB-700 pheej yig dua?
Hloov tshiab 2015: Lub SB-900 AF Speedlight tau tso tawm ua ntej xyoo 2008 thiab txij thaum tau txiav lawm. Nws tseem muaj nyob rau ntawm lub khw muag khoom siv thiab yog ib qho chaw zoo flash. Tus SB-910 hloov tus qauv no.
Nikon Speedlight SB-900 Kev Ntsuam Xyuas Flash
Qhov no yog Nikon tus flagship flashgun, thiab nws muaj tons ntawm nta txuas rau nws. Txawm li cas los xij, nws yog loj kawg kiag thiab yuav siv sijhawm ntau hauv chav nyob koj lub koob yees duab!
Koj kuj yuav tsum paub hais tias nws tsuas yog ua haujlwm rau tag nrho cov peev xwm nrog cov koob yees duab digital niaj hnub (D7100, D810, D600, D7000, D90, D60 - saib Nikon lub website rau tag nrho cov npe). Cov qauv siv lub koob yees duab qub qub (xws li D100, D1, D1X, thiab D1H) yuav raug siv los siv kev siv.
Tswj thiab roj
Nikon SB-900 tuav cov khoom siv rau kev nkag mus rau kev raug mob , thiab lub roj teeb yog zoo tsim thiab muaj zog, nrog cov lus qhia meej txog kev nkag mus rau cov roj teeb. Txawm li cas los xij, lub LCD npo yog npub, thiab qee tus xov tooj yuav nyuab nyeem ntawv thaum lawv tseem me me.
Yog tsis muaj lub ntsuas roj teeb, ces cov roj yuav tuag taus tsis ceeb toom. Tab sis recycling lub sij hawm yog ceev ... twv yuav raug hu sai npaum li Nikon tus cheaper flashguns.
Eeb taub hau
Lub SB-900 npog ib qho zoo kawg li ntawm 17-200mm, qis mus txog 14 hli nrog lub dav-kaum diffuser. Txawm li cas los xij, nws yuav tsum tau sau tseg tias thaum 200 hli, lub SB-900 tsuas muab txoj kev 1/3 kom zoo dua tshaj 85 hli ntawm Nikon tus qub SB-600. Yog li, qhov ntau ntau yuav tsis muab rau koj ib qho loj npaum li cas ntawm lub teeb thiab kev pab them nqi.
Zoo li nws cov Canon counterpart, tus 580EX II, lub SB-900 lub taub hau muab ua kom tiav 360 degree qaij thiab qhov kev pab tiv thaiv, uas yuav tsum tau tawm hauv koj nrog me ntsis tsis meej.
Phau Ntawv Qhia Nceeg Dab Tsi?
Peb tau tham txog tias SB-900 muaj cov ntawv qhia txog 48m (157.5 ko taw). Tab sis qhov no txhais li cas hauv cov tswv yim?
Daim ntawv qhia xov tooj no tau ua raws cov qauv no:
| Cov Kev Qhia Npe / Qhov Nruab Nrab ntawm ISO 100 = Nrug |
Txhawm rau tua ntawm f / 8, peb xav qhia tus naj npawb ntawm qhov qhia tawm los ntawm qhov qhia kom paub qhov tsim nyog rau qhov kev kawm:
| 157.5 ko taw / f8 = 19.68 ko taw |
Yog li, yog tias peb tab tom tua ntawm f / 8, peb cov ntsiab lus yuav tsum tsis pub dhau 19.68 ko taw ntawm lub teeb nyem.
Qhov no yog qhov loj thiab nws yuav tsum npog feem ntau tshwm sim! Txawm li cas los, nws yog 4 kauj ruam tsawg dua Canon tus 580EX II yuav npog.
Hom thiab cov ntxaij lim dej
Lub SB-900 nta Nikon tus I-TTL flash metering hom uas yog hom tsis siv neeg. Nws zoo heev, tsuav yog koj siv lub koob yees duab. Lub flashgun tseem tuaj yeem ntes tau yog tias koj siv FX (tag nrho cov ncej) lossis DX ( crop frame ) koob yees duab.
Nws tseem muaj pib qhib qhov ncauj, phau ntawv, qhov kev taw qhia ua ntej, rov ntsuas dua, thiab tsis yog TTL pib hom. Qhov ua kom zoo tshaj plaws ntawm lub hom phiaj yog zoo li ntse, thaum koj teem caij rau lub aperture thiab deb ntawm qhov kev kawm, thiab flashgun yuav ua hauj lwm kom paub ntau npaum li cas los siv.
Qhov kev ceev faj ntawm hom phiaj tuaj yeem tswj tau 1/3 increments ntawm f / 1.4 rau f / 90, tab sis nws yog kev txaj muag uas nws mus tsis tau rau f1.2.
Lub SB-900 kuj tuaj yeem nrog ob qho kev lim dej, ib qho rau cov teeb taws tungsten thiab ib qho rau cov fluorescent. Cov haujlwm no ua tau zoo tiag tiag thiab lawv tuaj yeem tsim cov duab (lit nrog cov ntaub ntawv xa mus rau lub koob yees duab dawb tshuav chaw). Lub flash kuj tseem tuaj yeem ntes cov lim nyob rau hauv qhov chaw.
Illumination Qauv
Lub SB-900 muaj peb hom qauv sib txawv: qauv, txawm, thiab nruab nrab-qhov hnyav. Yeej tseem zoo, cov no sim hloov cov ntsiab lus tawm ntawm lub eeb.
'Txawm' kis tau mus rau qhov chaw tsis tshua zoo dua li tus qauv txawv, thaum 'center-weighted' concentrates qhov flash rau hauv nruab nrab ntawm daim duab. Kuv tsis txaus ntseeg tias lawv ua ib qho loj npaum li cas ntawm qhov txawv, tab sis muaj qee qhov hloov maj mam alterations tau.
Wireless hom
Nikon SB-900 ua haujlwm ua tus tswv lossis ib tus qhev, thiab nws ua haujlwm nrog wireless transmitters. Siv lub tshuab tua hluav taws xob yuav pab kom mos muag lub teeb pom kev zoo thiab tiv thaiv koj cov duab los ntawm kev nrhiav tsev.
Hauv qhov xaus
Lub SB-900 yog ib qho teebmeem flashgun, thiab nws cov khoom siv (nyob rau hauv cov duab ntawm lub lim khoom thiab lub Sto-science-diffuser) zoo dua li cov neeg ntawm nws cov rivals. Txawm li cas los, tshwj tsis yog tias koj tua ntau kab tshoob los yog cov txheej xwm, kuv pom tsis tau tias nws yog ib qho yuav khoom siv rau qhov pheej yig dua SB-700, los yog cov laus dua SB-600.
Nws yog ib qho ci ntsa iab flashgun (uas tsis yog ib qho teeb meem me me), tab sis nws kim heev thiab hnyav. Yog hais tias koj xav tau qhov ntau ntxiv thiab nta los ntawm nws, tab sis, kuv xav kom nws tsis muaj hesitation.
Nikon SB-900 AF Speedlight Specifications
- Qhia Xov Tooj: 157.5 ko taw (48m) ntawm ISO 200
- Kev Kho Mob: 17-200mm, 14mm
- Tilt / Swivel: 360 degrees
- Cov Sij Hawm Siv Zom Ua: 2.3 - 4.5 vib nas this
- Illumination Txawv: 3 qauv: Txuj, Txawm, thiab Qhov Chaw Luj
Tseem Ceeb Tshaj: Lub Ib Hlis 13, 2011
Kho tshiab: Kaum Ib Hlis 27, 2015