Nws yog ib qhov zoo tshaj plaws ruaj koob yees duab

Nws tau ntev tau nyob rau hauv tib neeg lub neej txhua hnub muaj xws li kev cog lus ntawm cov koob yees duab. Rau ntau nws yog cia li ib lub sij hawm mus ntes ib qho tseem ceeb lub sij hawm nyob rau hauv lub neej, piv txwv li, xws li ib tug so. Lwm lub koob yees duab pab qhia lawv tus kheej, tsim lawv cov tswv yim peev xwm, kom los siav lub yees rau kev zoo nkauj. Nyob rau hauv txhua rooj plaub, ua ntej cov neeg rau lo lus nug tshwm sim, uas cov koob yees duab yog zoo tshaj plaws xaiv. Yog li ntawd ntau yog ua los daws qhov teeb meem no, txiav txim uas ruaj tshaj plaws cov koob yees duab. Tab sis tsis yeej ib txwm, ob tug ntsuas coincide. Txawm tsawg-paub manufacturers yuav muab heev dlej daws teeb meem. Nws yog yog li ntawd ib qho tseem ceeb kom nkag siab txog dab tsi yog qhov tseem ceeb nyob rau hauv kev txiav txim zoo li cas ntawm cov koob yees duab yog zoo tshaj plaws xaiv.

Txawm tias muaj tseeb hais tias niaj hnub cov koob yees duab yuav muaj ib tug lossis loj tus naj npawb ntawm kev khiav dej num, nws tsis yog lub tseem ceeb tshaj plaws. Tej zog yog feem ntau tsim es xyuas kom meej tias mislead cov neeg. Tseeb, muaj ntau ntseeg tau hais tias qhov ntau nta lub zoo cov txheej txheem. Txawm li cas los, nws tsis yog. Rau cov koob yees duab ntsiab keeb yog qhov loj ntawm lub matrix. Uas muaj teeb meem dab tsi qhov loj ntawm lub matrix nyob ntawm qhov zoo ntawm cov duab. Yuav kom to taub li cas tseem ceeb no yog, ib tug yuav tsum tsuas piv nrog cov pa SLR koob yees duab. Txawm hais tias ob qho tag nrho cov xov tooj ntawm pixels yog tib yam li cov sib txawv dluab yuav enormous, vim SLR ntau matrix loj. Tab sis txhua yam nyob tsis tau tsuas yog nyob rau hauv no. Ib qho tseem ceeb tshaj yuav yog tus lens. Los ntawm cov lens, ua ntej ntawm tag nrho cov, nws yog nyob ntawm seb tus kws yees duab mus tua nrog ib tug flash los yog tsis. Feem ntau, cov flash daim ntawv thov ho degrades duab zoo. Yog li ntawd, ntau dua qhov lub rhiab heev ntawm lub lens, qhov tsawg yuav tsum tau siv cov flash, uas yuav zoo cuam tshuam qhov zoo tshaj ntawm cov duab. Nws muaj feem xyuam rau lub lens thiab muaj peev xwm siv approximations. Lub thiaj li hu ua zoom - qhov no yog ib qho ntawm feem nquag siv koob yees duab kev khiav dej num. Yog li ntawd, muaj ntau yam mus nrhiav kev pab los mus txiav txim yog dab tsi qhov zoo tshaj plaws cov koob yees duab tuam txhab, kawm cov theem ntawm zoom. Txawm li cas los, nws yuav tsis yog tias lub zoom yuav tau ob leeg cov thiab "cov neeg kho tshuab". Yog hais tias tus tom kawg yeej tso cai rau koj nqa mus siv rau zoo txhaj tshuaj, ces cov zoom, raws li ib tug txoj cai, tsis txhob pub nws. Manufacturers kuj sim qhia kom meej rau raws nraim cov zoom, "tsis nco qab" hais txog cov tiag tiag.

Yog li ntawd, mas rau cov koob yees duab yog ib tug loj matrix, thiab ib tug zoo lens. Judging los ntawm cov txheej xwm, dab tsi zoo tshaj plaws ruaj koob yees duab? Ib tug ntawm cov thawj coj, ntawm chav kawm, yog cov Canon. Thiab qhov zoo tshaj plaws yog cov kev xaiv ntawm cov koob yees duab ntawm lub hom, yog tias, cov koob yees duab uas lub tuam txhab yog zoo dua mus xaiv kom zoo zoo thiab nplua nuj ntas. Yog hais tias koj xav tau los txiav txim li cas qhov zoo tshaj plaws cov koob yees duab rau lub tuam txhab muaj kev cia siab, lub nyiam qauv los ntawm Nikon. Txawm li cas los, cov qauv los ntawm Nikon muaj ib tug ob peb drawbacks. Ua ntej ntawm tag nrho cov, cov koob yees duab yog heev yooj yim uas tswj, qhov no yog nws "noj" lub roj teeb yuav nqi sai sai txaus.

Summing li, nws yog tsim nyog ib zaug dua kom nco ntsoov tias txiav txim uas lub tuam txhab zoo tshaj plaws cov koob yees duab, next yog tsis nyob rau ib co ntawm cov zog uas yeej ib txwm muaj nyob rau hauv loj qhov ntau, thiab nyob rau qhov loj ntawm lub matrix thiab cov koob yees duab lens. Tom qab tag nrho, lub hom phiaj tseem ceeb ntawm kev siv cov koob yees duab - yog tau high-quality dluab uas yuav muaj kev cuam tshuam tag nrho cov nta ntawm qhov chaw nyob qhov twg hauv daim duab. Yog li ntawd nws tsis yog li ntawd ib qho tseem ceeb ntxiv zog, uas yuav complicate cov kev tswj, tiam sis tsis txhob ntxiv mus rau qhov zoo. Nyob rau hauv tas li ntawd, cov kev tso cai yuav ho ua rau kom tus nqi ntawm cov koob yees duab uas, raws li nram no los ntawm dab tsi yog hais tias saum toj no, tsis txhob muaj kev cuam tshuam rau qhov kawg zoo ntawm cov ntaubntawv povthawj siv.