Tus kheej tsom iav tsom iav
Txawm li cas los xij thaum koj tau txais qee qhov tsom iav tsom iav mus tas li uas tsis muaj kev tsom xam txhua qhov, cov no tsis muaj tsom iav tsom iav tsis tuaj yeem tso cai rau txhua yam sib txawv ntawm lub zog ntawm qhov muag ntawm koj ob lub qhov muag.
Yog li dab tsi yog qhov ntau dua thiab qhov tseeb deb dua yogTus kheej tsom iav tsom iav.
Cov no tsis muaj ib lub log ua kom pom tseeb thiab cov txheej txheem uas ib txhij kho qhov ua kom pom tseeb ntawm ob sab ntawm ob lub koob yees duab thaum koj tau txais cov twj paj nruag ib txwm thiab koj feem ntau yuav paub txog. Hloov chaw lawv muaj ob lub diopter adjusters - ib qho ntawm txhua lub qhov muag uas ua rau koj hloov qhov tsom ntawm txhua sab ntawm lub ntsej muag ntawm nws tus kheej.
Txawm li cas los xij, qhov no yuav tsum tsis txhob saib tib yam li lub ntsiab lus tseem ceeb ntawm lub koob yees duab tus qauv. Cov dioptric kho rings nyob rau ntawd los calibrate lub binocular rau koj lub zeem muag tshwj xeeb thiab yog li tso cai rau txhua qhov sib txawv ntawm koj ob lub qhov muag sab laug thiab sab xis.
Yog li whilst nws muaj peev xwm los ntawm kev siv ob lub diopters los ua qhov me me focal adjustments thiab yog li hloov qhov tsawg kawg nkaus focal nrug, lawv tseem tsis muaj qhov ze ze li qhov koj tau txais ntawm feem ntau cental focusing binoculars.
"Auto Focus Binoculars" ua haujlwm li cas?
Txhawm rau ua ib lub koob yees duab uas xav tau tsis muaj kev hloov pauv tseem ceeb, lawv tau tsim los tsom rau cov khoom nyob deb nrog qhov tob tob ntawm qhov pom.
Yog li lawv cov optics yog tsim los kom lawv siv koj ob lub qhov muag lub peev xwm ua kom pom tseeb thiab yog li kuv xav tias koj tuaj yeem pom qhov twg cov nqe lus lag luam ntawm nws pib ua kom pom tseeb lossis ua kom pom tseeb los ntawm.
Txhawm rau teeb tsa lub tsom iav tsom iav rau koj lub qhov muag tshwj xeeb, koj kho lub diopter ntawm txhua lub qhov muag rau koj lub zeem muag (uas yog vim li cas lawv kuj raug xa mus rau ib tus neeg tsom mus rau hauv qhov muag). Thaum koj ua tiav cov kauj ruam no, lawv yuav tsum tsis muaj kev hloov kho ntxiv. Qhov ntawd yog tshwj tsis yog ib tus neeg uas muaj lub zog sib txawv ntawm qhov muag xav siv lawv, koj lub zeem muag hloov pauv lossis koj qhov chaw raug txav los ntawm kev sib tsoo.
Vim li cas txhua qhov tsis meej pem nrog cov npe?
Qhov tsis meej pem hauv lub npe thiab lub cim ntawm tus kheej tsom iav tsom iav tau tej zaum tau coj los ntawm cov tswv yim kev lag luam ntse los ntawm cov tuam txhab loj ntawm hom kab ntsuas no sim ua kom lawv lub suab zoo dua li qhov lawv ua tau.
Dab tsi koj xav hu rau lawv, Tsau tsom, lossis ib txwm nyob rau hauv tsom iav tsom iav tau nyob ib puag ncig ntau tshaj li ob peb lub xyoo tam sim no lawv muaj lawv siv thiab muaj qee qhov zoo tshaj plaws binoculars ntawm hom no tawm muaj.
Dab tsi yog Qhov Zoo Ntawm Tus Kheej Focaling Binoculars?
Qhov tsawg dua ntawm cov khoom txav txhais tau hais tias lawv yooj yim dua los ua thiab yog li yuav pheej yig dua, muaj zog dua thiab yog li feem ntau siv sijhawm ntev dua. Qhov no kuj ua rau lawv yooj yim dua los ua kom muaj plua plav thiab dej tsis zoo. Yog li koj tuaj yeem pom ib khub tsom iav tsom iav yuav zoo tagnrho rau kev siv nyob rau hauv ib puag ncig hnyav thiab ua rau cov tub rog nrov nrog rau marine binoculars.
Qhov tsawg dua kuj txhais tau hais tias lawv feem ntau sib dua li cov cuab yeej txheem.
Vim tias qhov tseeb tias ib zaug koj tau teeb tsa lub koob yees duab rau koj lub zeem muag thiab tsis muaj qhov xav tau ntxiv, nws ua rau siv lawv sai dua li lub koob yees duab uas koj yuav tsum tsom mus rau txhua yam khoom koj saib. Qhov no yog qhov zoo tshaj plaws rau cov khoom txav nrawm nrawm, yog li hauv txoj kev xav lawv tuaj yeem ua qhov zoo tshaj plaws birding binoculars, tsuav yog qhov kev sib raug zoo nyob ze tsis yog qhov tseem ceeb rau koj (Txoj kev tsom xam optics feem ntau muaj qhov tsawg kawg ze ze ntawm ib ncig ntawm 35 - 40ft ).
Qhov tsis muaj lub ntsej muag lub ntsej muag ua rau lub ntsej muag tsis tshua muaj teeb meem thiab yog li siv tau yooj yim dua, uas yog qhov zoo rau cov menyuam yaus, cov neeg laus thiab yog tias koj hnav hnab looj tes tuab piv txwv. Yog li ib zaug ntxiv zoo haum rau qhov chaw txias lossis hnyav hnyav thiab ua kom zoo tagnrho Skiing Binoculars thiab zoo tagnrho rau kev siv dej hiav txwv hauv cov huab cua txias.
Tsom pom kev dawb binoculars yuav muaj qhov sib sib zog nqus pom zoo.
Yog tias koj muaj ib lub qhov muag uas tsis muaj zog dua li lwm qhov, cov no yuav yog qhov kev xaiv zoo vim tias lawv feem ntau muaj qhov loj Dioptre Kev Kho Kom Zoo. Yog xav paub ntxiv txog qhov no saib cov kab lus no: Ib Tus Neeg Pom Zoo Binoculars lossis Kev Kho Ib Leeg Diopter?
Disadvantages ntawm Auto Focus Binoculars
Ib txwm nyob rau hauv Focus Binoculars suab zoo, tab sis raug suav hais tias yog kev sib haum xeeb hauv kev tsim, haum rau kev yooj yim, tab sis tsis haum rau kev ua haujlwm uas ntog sab nraum lawv cov qauv tsim lossis siv.
Auto focus binoculars (taw focus) feem ntau tsis muaj qhov ze heev thiab ntau tus tsuas yog tsom los ntawm li 35 mus rau 40 feet thiab yog vim li cas lawv thiaj li nyiam siv rau thaj chaw qhib dav xws li dej hiav txwv yog li zoo tagnrho rau Marine. Binoculars thiab yuav tsis tsim nyog qhov twg qhov ze tshaj plaws tsom qhov deb yog qhov tseem ceeb - Npauj Npaim Binoculars piv txwv.
Kho kom pom tseeb binoculars cia siab rau qhov yooj ntawm koj ob lub qhov muag kom cov duab meej thiab ua kom pom tseeb. Qhov no tsis yog teeb meem rau cov menyuam yaus thiab cov neeg laus, tab sis thaum koj loj hlob lub qhov muag maj mam poob nws lub peev xwm ua kom pom tseeb thiab yog li rau ntau tus neeg muaj hnub nyoog 40 xyoo, cov koob yees duab no tuaj yeem tsim ntau qhov muag.
Self focussing binoculars muaj lawv qhov chaw thiab siv, tab sis vim hais tias koj teem lawv rau koj tus kheej lub zeem muag, lawv tsis tshua haum rau kev sib koom nrog lwm tus (tshwj tsis yog koj muaj lub zeem muag zoo ib yam) Yog li tsis txhob coj lawv mus qhia rau lwm tus ntawm kev ncaws pob. Piv txwv li kev tshwm sim lossis safari hnub so.