Dab tsi yog ib khub zoo ntawm compact binoculars?
Dab tsi yog ib khub zoo ntawm compact binoculars?
Anonim

Kuv tab tom nrhiav kom tau ib lub teeb yuag thiab compact ob lub koob yees duab nqa nrog kuv mus taug kev. Koj puas muaj cov lus qhia dav dav thiab qee cov lus pom zoo rau kev yuav khoom zoo? Joe Voelcker Philadelphia, Pennsylvania

Muaj ntau txoj kev xaiv nyob ntawd, Joe. Cov kev cai dav dav ntawm tus ntiv tes xoo: Tau txais qee yam nrog xya- lossis yim-lub zog loj rau kev siv thoob plaws. Kaum-lub zog tuaj yeem ua tau zoo dua rau qee yam xws li saib noog, tab sis kuj tuaj yeem nyuaj dua rau kev tuav tes (12-lub zog tseem nyuaj dua, raws li koj nthuav tes tuav nrog rau daim duab). Lub lens loj dua (tus lej thib ob hauv qee yam xws li "7X35") feem ntau zoo dua vim nws tso cai ntau lub teeb los ntawm, tab sis nyob rau hauv qhov kev sib cog lus ib txoj kab uas hla ntawm 18 mus rau 25mm yog feem ntau, thiab kuv tau pom tias yuav zoo rau. siv nruab hnub. Hais lus dav dav, qis zog binocs zoo dua rau kev siv lub teeb ci. Koj yuav pom ob txoj kev tsim kho: lub ru tsev prism thiab porro prism. Lub ru tsev prisms yog cov slim, ncaj-barreled binocs; nws yuav tsum tau txiav txim siab ntau npaum li cas los tuav cov optics rau hauv cov duab ntawd, yog li cov qauv kev sib tham yuav tsis muaj kev sib tham. Nyob rau hauv sub-$100 qeb, bulkier porro-prisms - uas muaj cov tsoos "binocular" saib - feem ntau yog zoo dua.

Nrog binoculars, koj yeej tau txais yam koj them rau. Cov qauv kim dua muaj cov iav zoo dua thiab cov txheej txheem zoo dua, ob qho tib si uas tawm los zoo dua, cov duab ci dua thiab cov xim zoo dua. Tsis muaj laj thawj rau khoob lub txhab nyiaj rau ib khub zoo, tab sis pheej yig heev tam sim no yuav raug nqi koj nyob rau lub sijhawm ntev.

Yog li, yuav ua li cas? Thaum kawg, koj tsis tuaj yeem ua yuam kev nrog qee yam xws li Leica's BCA Series 8X20 binocs. Super-ntse lo ntsiab muag, zoo coatings, ruaj armored rooj plaub. Tseeb, lawv kim, tab sis koj yuav tsis khuv xim yuav lawv. Ib yam li Steiner's 8X32 Predator tsom iav, uas mus rau qhov zoo tshaj $ 500. Lawv yog cov waterproof thiab shockproof, yog li zoo tagnrho rau nrag ib ncig ntawm lub pob. Ntau tus qauv ntawm Steiner binocs muaj los ntawm Sierra Trading Post (www.sierratradingpost.com), uas lub sij hawm dhau los kuv tau kuaj xyuas muaj qhov tshwj xeeb zoo ntawm 10X28 Rocky qauv $ 229, kos los ntawm $ 400.

Ib qho kev poob qis, tus nqi ntse, nrhiav Nikon's Mountaineer II tsom iav, xws li 8X28 qauv rau txog $ 175. Cov tsom iav ruaj khov, tsis muaj dej tsis zoo thiab tsis pom kev, nrog cov rooj zaum armored. Los yog, Fujinon's 10X25 SCF-FX tsom iav, rau ib ncig ntawm $ 250. Pentax kuj ua rau cov tsom iav zoo hauv $ 150- txog $ 250-ntau, xws li nws 10X24 UCF-WR tsom iav.

Hauv qab $ 100 muaj ntau ntau txoj kev xaiv, tab sis qhov zoo yeej pib poob. Txawm li cas los xij, muaj qee qhov kev kho qhov muag zoo nyob rau ntawd - tsuas yog teem ib nrab kaum rau ntawm lub txee ntawm lub khw uas koj tab tom yuav khoom thiab pib sib piv. Koj yuav pom sai sai uas cov uas muaj peev xwm ua tau rau tus nqi ntawd.

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