Qhov zoo tshaj plaws Banoculs: Dab tsi yog qhov zoo tshaj plaws rau kev soj ntsuam? Ntaus nqi pheej yig cov qauv. Yuav ua li cas xaiv cov pinoculars rau kev ncig xyuas? Manufacturers

Tsis hais txog ntawm cov qauv tsim thiab cov yam ntxwv, muaj cov khoom siv binoculars yog cov cuab yeej tsim los ua cov saleroscopic, uas yog, ib lub duab nyob ib puag ncig ntawm qhov kev ncua deb. Cov cuab yeej zoo li no tau siv rau ib lub sijhawm ntev nyob rau hauv ntau cov spheres. Muab cov kev thov nce ntxiv, kev ua lag luam qhia tau ntau tshaj li ntau hom ntawm ob hom thiab cov khoom lag luam ncaj qha. Nws yog qhov ua rau muaj ntau yam uas lub binoculars yuav tsum paub txog, nrog rau cov kev xaiv peev nyiaj, yog suav tias yog qhov zoo tshaj plaws hauv ntau yam xwm txheej.

Sab saum toj Cov Chaw Tsim Tshuaj

Ntau lub tuam txhab thoob ntiaj teb tau koom nrog kev tsim khoom piav cov twj paj nruag. Raws li qhov tshwm sim, qauv ntawm Suav, Nyiv, Asmeskas, German thiab lwm hom lag luam tau nthuav tawm ntu kev lag luam ntu. Nyob rau tib lub sijhawm, cov npe ntawm cov tuam ntxhab yog niaj hnub nthuav dav. Thaum lub sijhawm, sab saum toj suav nrog cov tuam txhab hauv qab no.

• Nikon. - Lub ntiaj teb nto moo nrog lub hauv paus keeb kwm, uas yog cov khoom siv tshwj xeeb yog cov duab thaij thiab cov cuab yeej kho kho kho kho kho kho kho kho kho kho kho kho kho qhov muag. Lub tuam txhab sawv cev ntawm kev ua lag luam Nyiv yog tsim nyog tau txiav txim siab tus thawj coj ntawm kev tsim kho thiab kev kho mob.

• Olympus. - Lwm cov lus dab neeg Japendary Japanese. Lub tuam txhab cov khoom tau xa mus rau European thiab neeg Esxias lub tebchaws tau ntau xyoo. Nyob rau tib lub sijhawm, cov chaw tsim khoom muaj nyob hauv Suav teb thiab nyab laj.

• Veber. - Lavxias tsim lag luam, txij li xyoo 1994 ua cov khoom siv kho qhov muag zoo.

Cov khw muag khoom siv network tau txais ntau yam ntawm cov khoom siv thiab cov khoom siv rau lawv siv los ntawm cov kws ua txhaum, cov kws tshawb fawb, nrog rau kev ncaws pob thiab cov neeg ncaws pob thiab cov neeg ncaws pob.

• Eschenbach. - Lub tuam txhab raws li lub teb chaws Yelemees ntau tshaj li lub xyoo dhau los, uas yog xyoo 1913. Nrog rau txhua xyoo tig ntawm 120 lab euros, nws tshwj xeeb tshwj xeeb hauv kev tso tawm tsom iav, thav ntawv, nrog rau optics tshwj xeeb. Nyob rau tib lub sijhawm, cov khoom lag luam yog muab rau hauv 70 lub teb chaws thoob ntiaj teb.

• Levenhunk. - American Optics Chaw tsim tshuaj paus, uas nws li keeb kwm pib xyoo 2002. Tom qab tsuas yog tsib xyoos tom qab pib ua haujlwm, lub tuam txhab tau qhib nws tus neeg sawv cev chaw ua haujlwm hauv Russia. Niaj hnub no, cov khoom lag luam hom paub ntau dua 37 lub teb chaws.

• Lub canon - Japanese hom, nthuav tawm ntawm kev ua lag luam txij li xyoo 1933. Lub tuam txhab tshwj xeeb hauv kev txhim kho cov kev kho mob high tech thiab cov yees duab, nrog rau optics. Txog rau hnub tim, cov neeg ua haujlwm cov ceg ceg hauv Europe, Asia thiab Tebchaws Asmeskas yog 200 txhiab tus neeg ua haujlwm.

• Pentax - Lub tuam txhab uas tau pib nws keeb kwm tseem nyob ntawm qhov kaj ntug ntawm lub xyoo pua xeem. Lub sijhawm ntawd, pab pawg uas muaj tsuas yog muaj ntau tus neeg, thiab tam sim no muaj ntau tshaj 10 txhiab tus kws tshaj lij hauv lub xeev. Hauv assortment ntawm cov chaw tsim tshuaj paus, qauv muaj cov koob yees duab, cov ntsiab muag, zoo li microscopes, telescopes, telescomes thiab binoculars thiab binocules.

• BRESSER. - Lub tuam tsev German, uas txij li xyoo 1957 tsim kho qhov muag rau cov neeg laus thiab cov menyuam yaus. Cov npe ntawm cov kev sib tw tseem ceeb muaj cov lus qhia nquag ntawm cov thev naus laus zis siab, nrog rau kev pabcuam zoo.

Ntxiv rau txhua qhov teev npe, nws tseem yuav tsum muaj kev faib cov tuam txhab cov khoom lag luam. Yukon. Cov. Cov khoom siv kho qhov muag thiab kho qhov muag thiab kho qhov muag tau raug sawv cev hauv nws cov qauv. Hom khoom ntse txaus siab rau thoob ntiaj teb tourists, soj ntsuam, ncaws pob, raws li zoo raws li fishermen thiab zoov.

Nrov Qauv rau Kev Ua Haujlwm

Cov cuab yeej siv kho tshiab no tau siv los ntawm Connoisseurs ntawm kev kos duab thaum saib kev ua yeeb yam thiab lwm tus sawv cev. Tsis tas li ntawd, kev ua yeeb yam popoculs feem ntau yog siv rau kev mus ncig. Cov ntsiab lus tseem ceeb yog kev sib txuas, tsim qauv thiab nce ntawm 4 zaug.

Raws li cov kev tshuaj xyuas ntawm cov tswv, ntau tus qauv tuaj yeem yog tus neeg nyiam tshaj plaws, txawm tias muaj ntau tshaj li ntau yam muaj ntawm kev muag khoom.

Viva 6x15 los ntawm Eschenbach yog kim heev binoculars, differing ntawm feem ntau ntawm nws cov neeg sib tw nyob rau hauv zoo, uas nws tuab nws raws li ib tug kho qhov muag ntaus ntawv rau qhov tseeb kiv cua ntawm qhov zoo nkauj. Txawm nrog lub fact tias tus tsim tawm yog positioned ntawm cov khoom li optics rau ua yeeb yam, nws yuav ntse siv rau cov xwm pom.

Lub ntsiab lus tseem ceeb yog raws li hauv qab no:

• Nce - 6-quav;
• Qhov inlet aperture ntawm lub qhov muag yog 15 hli;
• Qhov ntsuas tau zoo thaum siv nyob rau hauv Twilight - 9.5;
• tsom - nruab nrab;
• Lub cheeb ntawm lub cheeb ntawm kev tsim tawm cov tub ntxhais kawm yog 2.5 hli;
• Qhov qis qis ntawm qhov pom tau hloov tau yog 2 m;
• Lub teb ntawm pom ntawm Optics yog 153 m.

Kom pom tseeb ntxiv ntawm binoculars Los ua kom zoo, kev pom zoo, nrog rau versatility thiab stylish tsim. Yog tias peb tham txog qhov tsis zoo, nws tsim nyog hais txog qhov tseem ceeb ntawm tus qauv. Txawm li cas los xij, qhov no rho tawm yog kev tiv thaiv tag nrho los ntawm qhov zoo ntawm lub cuab yeej thiab nws cov yam ntxwv ua haujlwm.

BRESSER Scala 3x25 mpg - Stylish, nyob rau hauv cov nqe lus ntawm kev tsim qauv, binoculars nrog kev ua tau zoo tshaj plaws, uas yog tus piv txwv tseeb ntawm cov lus German zoo. Lub classic tsim ntawm cov cuab yeej kho tshiab no suav nrog cov kav dej khov kho thaum cov ntsiab lus ntxiv tau ploj lawm ntawm lub qhov muag daj thiab lub lens. Vim qhov no, tus qauv hwm no yog tus cwj pwm los ntawm kev sib cog lus thiab qhov hnyav.

Cov ntsuas tseem ceeb ua kom zoo nkauj zoo li no:

• Ntau zauv - X3;
• Lub inlet aperture ntawm cov eyepiece - 25 hli;
• tsom - central;
• Twilight efficiency - 8,66;
• Qhov tsawg kawg nkaus kom pom tseeb luv yog 3 m;
• Lub teb ntawm saib ntawm lub lens yog 87 m.

Cov cuab zoo thiab kev sib tw zoo ntawm cov Scala 3x25 MPG qauv muaj xws li cov nram qab no cov yam ntxwv.

1. Pib twilight tau, vim uas qhov zoo tshaj ntawm visibility ensured nyob rau hauv yuav luag txhua illumination.
2. Qhov kuaj pom ntawm ib tug khoom thiab aesthetic daim tawv nqaij lub hnab rau khaws cia binoculars.
3. Ib qho yooj yim qhov chaw.

Los ntawm cons ntawm tus dais, ib co neeg siv xa tuaj kawm ntawv ntawm ib cov saw. Ib tug tseem ceeb tshaj taw tes yog qhov uas yuav ntawm tshem eyepieces.

Kameel 3x25 - Qhov nrov binoculars qauv, npaj rau cov lag luam feem ntau nyob rau hauv tej yam kev mob ntawm kaw chav. Qhov no ntaus ntawv yog txawv los ntawm ntau "tom" nrog ib tug stylish tsim (dawb cov ntaub ntawv nrog elegant grazing kub). Tus luj ntawm lub compact khoom no yog tsuas 160 g, thiab ntxiv kev kab ntsab ntawm lub lag luam yog ensured los ntawm lub xub ntiag ntawm ib cov saw. Lub ntsiab yam ntxwv yog zoo li no.

• Ua kom - 3 x.
• Tswv yim aperture ntawm pem hauv ntej eyepiece - 25 hli.
• Ua kom pom tseeb - central. Nws yog muab rau kho qhov kev ncua deb ntawm cov menyuam kawm ntawv, ua los ntawm offsetting cov kav dej txheeb ze rau txhua tus lwm yam.

Lub indisputable pluses ntawm tus qauv yuav tsum tau hu ua me me luaj li cas thiab, raws li, qhov hnyav, raws li zoo raws li ergonomics.

Binoculars yuav haum tsis muaj teeb meem txawm nyob rau hauv ib tug tej yam me me pojniam lub handbag. Nyob rau hauv tas li ntawd, mloog yuav tsum tau teem rau ib tug high-zoo thiab npaum tsom xam system. Pretchely kwv yees tag nrho cov yam ntxwv ntawm cov khoom no thiab nws cov pob, daim ntawv teev cov disadvantages yuav muaj xws li ib tug txaus ceeb saw thiab ib tug polyester cov ntaub ntawv. Cov yav tas tsis txawv nyob rau hauv durability thaum nws siv.

Niaj hnub nimno binoculars qho rau cov me nyuam

Raws li kev xyaum qhia, Qhov kev xaiv ntawm lub pom qauv ntawm binoculars rau ib tug me nyuam yog ntau npaum li cas nyuab tshaj li qhov nws yuav zoo li thaum xub thawj siab ib muag. Cov. Cov kev txiav txim zoo tshaj nyob rau hauv tej lub sijhawm yuav tsum tau lub hom phiaj ntawm kis ib tug optical ntaus ntawv. Thiab feem ntau, tus yuam sij taw tes yuav tsis ua li cas binoculars theem, tab sis nws muaj kev ruaj ntseg thiab yooj yim rau siv.

Raws li tam sim no tej ntaub ntawv, cov qauv siv qhov kev thov Edu-KHOOM UA SI BN009. Nyob rau hauv cov ntaub ntawv no, peb yuav sib tham txog ib tug ncaj high-zoo twj paj nruag rau cov me nyuam, uas muaj ib tug naas ej chaw tsim tshuaj paus specializing nyob rau hauv qhov kev tso tawm ntawm niaj hnub cov khoom ua si. Nws yog ib nqi sau cia hais tias qhov no kho qhov muag ntaus ntawv yog positioned ntawm developers raws li ib tug kev ua si. Txawm li cas los, tus qauv tag nrho raws li nrog tag nrho cov uas yuav tsum tau rau lub optics ntawm no.

Lub ntsiab zoo ntawm tus dais no yog raws li nram no.

1. Yooj yim hloov ntawm lub luv ntawm lub eyepieces.
2. Shockproof cov ntaub ntawv cov ntaub ntawv uas, kom ntseeg tau txoj kev ruaj ntseg ntawm binoculars.
3. Nkaus loj nyob rau hauv lub cheeb ntawm lub eyepiece.

Yog hais tias objectively soj ntsuam tseem ceeb kev ua tau zoo BN009. Qhov no yuav tsum tau borne nyob rau hauv lub siab hais tias qhov no binoculars muaj kuj tsis tshua muaj hauj lwm cov yam ntxwv. Tsis tas li ntawd, ib co tswv taw tes rau cov disadvantages ntawm tus tsim, xav tias nws tsis txaus nyiam heev rau cov khoom-taw qhia kom paub cov khoom.

Lwm nrov kho qhov muag apparatus rau cov me nyuam yog Model "Eureka" ntawm lub hom nto moo Veber. Ib tug ntawm cov yus nta ntawm no kho qhov muag ntaus ntawv yog tus tua nyob rau hauv ob peb qaim xim. Raws li ib tug tshwm sim, cov niam txiv tej zaum yuav xaiv ib tug khoom plig rau ob lub me nyuam tub thiab rau tus hluas nkauj. Ntawm cov hoob kawm, ntawm lub taub hau ntawm lub ces kaum, cov chaw tsim tshuaj paus txheej kev ruaj ntseg. Raws li ib tug tshwm sim, tus ntaus ntawv yog txawm peem rau nrog dav thiab mos tuav, thiab nws cov tsev nyob tau txais ib tug rubberized txheej. Yuav ua li cas excludes slipping los ntawm ob txhais tes ntawm cov me nyuam.

Nyob rau hauv tas li ntawd mus rau saum toj, yog tsim nyog tseem ceeb lub pom piv ntawm cov multiplicity ntawm binoculars thiab aperture. Tus qauv muaj ib tug ncaj loj kom pom tseeb nruas, uas simplifies lub twj paj nruag chaw. Nws yuav ua tau zoo nyob heev ntswj nrog me nyuam me me lub cov ntiv tes.

Binoculars cov kev ua si, mus yos hav zoov thiab nuv ntses

Lub ntsiab yam ntxwv ntawm kho qhov muag pab kiag li lawm teej tug mus rau pawg no yog Puas tsuaj ntau tshaj kuj, kev cia siab, raws li zoo li compactness thiab tsawg hnyav Cov. Noj rau hauv tus account qhov ntau tshaj ib tug ntau yam ntawm cov khoom uas muaj tuaj los ntawm ua manufacturers, koj tau tam sim no xaiv high-zoo thiab kuj pheej yig qauv ntawm thiaj li hu ua teb, universal binoculars. Tej qauv no yog dav siv, xws li mus tsham.

Nyob rau hauv raws li heev heev xyuas ntawm cov neeg uas yog lovers ntawm sab nraum zoov kev ua ub no thiab kev ua si, ib qho ntawm feem nrov qauv yog Canon 15x50 YOG. Qhov no nyob rau hauv cov ntaub ntawv no yog ib tug high-tech, kev binoculars, yog ib lub qhia tau meej heev zoo uas koj muaj peev xwm hu tau rau lub stabilization system. Lub cev ntawm lub ntaus ntawv yog ua los ntawm cov ntaub ntawv los ntawm yus siab tej yam kuj thiab kev cia siab.

Tus yuam sij qauv tsis yog raws li nram no.

• Multiplicity thiab aperture ntawm lo ntsiab muag - x15 thiab 50 mm, ntsig txog.
• Cov hauj lwm zoo rau daim ntawv thov ntawm cov apparatus thaum tsaus ntuj zuag - 27,38.
• Prism yog ib tug classic kev xaiv (Porror).
• Ua kom pom tseeb - central nrog adjustable kev ncua deb ntawm cov menyuam kawm ntawv.
• Qhov tsawg kawg nkaus cov duab txhais hloov yog 6 m.
• Lub teb pom yog 79 meters.

Hais txog kev sib tw zoo Canon 15x50 YOG, Functionality, kev cia siab thiab versatility ntawm tus qauv yuav tsum tau tseem ceeb. Nws yuav siv tau nyob rau hauv yuav luag tej huab cua, raws li zoo raws li nyob rau hauv txwv visibility thiab tsawg lub teeb. Lub Rho tawm rau ib co tej zaum buyers yuav ua tau tus nqi ntawm cov ntaus ntawv.

Cov tom ntej no cov thawj coj ntawm kev txheeb xyuas thiab kev ntawm tej chaw yog ACULON A211 10 × 50 los ntawm cov legendary lub tuam txhab Nikon. Cov. Tus qauv yog ib tug upgraded version ntawm lub classic binoculars. Nws lub ntsiab yam ntxwv thiab nta saib raws li nram no.

• 10-fold approximation nrog ib tug aperture ntawm pem hauv ntej lens 50 hli.
• Multilayer txheej ntawm lub enlightenment system.
• Lub teeb lens.
• Lub homphiaj ntawm lub hauv paus yam uas cov kev hloov ntawm lub luv ntawm cov menyuam kawm ntawv.
• Qhov tsawg kawg nkaus kom pom tseeb nyob deb 7 m.
• Lub xub ntiag ntawm fasteners rau txhim kho binoculars rau ib lub kos.
• Retractable me nyuam ua los ntawm cov mos mos silicone.

Daim ntawv teev cov indisputable zoo ntawm tus kho qhov muag ntaus ntawv muaj xws li xws li.

1. High quality duab yog muab los ntawm zoo meej.
2. Roj Hmab txheej cov ntaub ntawv.
3. Efficiency ntawm kev siv, tsis hais txog ntawm teeb pom kev zoo.
4. Qhov kuaj pom ntawm ib tug ruaj thiab xis pluaj muaj.

Tsis tas li ntawd ua txaus nyob rau hauv cov tshuaj pleev rankings nyob Model DPS kuv (8x40) Olympus hom. Binoculars txawv los ntawm ntau cov neeg sib tw nrog lub zoo tshaj ntawm cov txheej, raws li zoo raws li ib tug saib teb tsis pub dhau 65 degrees. Cov yam ntxwv tso cai rau koj los tswj panoramic soj, uas yuav tsum yog ib ntawm cov kev txiav txim yam rau tourism lovers thiab lwm yam kev ua si nraum zoov.

Qhov no 8-fold kho qhov muag ntsuas muaj cov nram qab ntsiab tsis.

• Pem hauv ntej eyepiece inlet aperture - 40 mm.
• Enlightenment - high-quality txheej nyob rau hauv 1 txheej.
• Central kom pom tseeb nrog qhov kev ncua deb kho ntawm cov menyuam kawm ntawv.
• Tso zis me nyuam kawm ntawv - los ntawm 2.5 mus rau 5 lub hli.
• Ze ntawm visibility chaw - yam tsawg kawg nkaus 4 m.
• Review - 143 m.

Qhov tseem ceeb tshaj zoo ntawm tus qauv yog cov nram qab no.

1. Qhov siab tshaj plaws daim duab zoo, xws li nyob rau hauv cov npoo.
2. Ib qho yooj yim thiab yooj yim ntawm lub lag luam.
3. Kev ntseeg tau thiab kev tiv thaiv ntawm optics thiab vaj tse nyob.
4. Pib tiv thaiv ntawm lo ntsiab muag ntawm ultraviolet rays.

Judging los ntawm cov kev txheeb xyuas, ib tug ntawm cov ntau yam pauv loj minuses, ib co tswv xav Tsis tshua muaj zoo fabrication cov ntaub ntawv rau cov qauv no Olympus.

Qauv rau cov xwm soj

Kho qhov muag txheej txheem teej tug mus rau pawg no siv zoo-deserved thov. Muaj ntau cov kws tshwj xeeb nyob rau hauv lawv cov kev tshawb fawb, raws li zoo raws li tourists thiab zoo tib yam xwm lovers yog fond ntawm noog tswvyim, beasts thiab ua hauj lwm. Zoo li pab kiag li lawm rau tourists, ncaws pob, fishermen thiab zoov, xws qauv yuav tsum universal, check, ib qho yooj yim thiab yooj yim nyob rau hauv lub lag luam.

Cais xim deserves hloov ntawm binoculars, uas yuav tsum tau ntse siv los saib cov hnub qub thiab lwm yam xilethi-aus khoom.

Ntawm cov hoob kawm, rau cov hom phiaj muaj telescopes Cov. Txawm li cas los, muaj ntau yam tseem tabtom xaiv binoculars nrog lub sib nug xov cov yam ntxwv, noj mus rau hauv tus account lub comparative nqi ntawm cov khoom thiab qhov zoo tshaj plaws xaav ntawm daim duab nrog ob tug ob lub qhov muag.

Ib tug ntawm cov nrov qauv uas yog feem ntau siv rau cov li qhia lub tswvyim yog ACULON A211 16 × 50 los ntawm Nikon. Nyob rau hauv lub ntsiab lus teb ntawm tseem ceeb tsis, ib tug 16-fold nce nyob rau hauv ib tug 55-millimeter lens yuav tsum tau tseem ceeb ntawm no, uas tso cai rau peb xav txog tej yam khoom, xws li nyob rau ntawm lub lub siab tshaj plaws nyob deb li cas. Yooj Yim ntawm kev siv ntawm tus ntaus ntawv yog muab, nrog rau vim cov mos mos txheej ntawm rooj plaub. Cov chaw tsim tshuaj paus muaj ib tug installation ntawm optics rau ib lub kos, txij li thaum tus luj ntawm binoculars yog 925.

Tsis tas li ntawd, lub qhia tau meej heev kom zoo dua ntawm tus qauv yuav tsum muaj xws li:

• nominating (adjustable) me nyuam;
• siab zoo (clarity) duab;
• simplicity thiab kev kab ntsab ntawm kho lub ntaus ntawv;
• ergonomics;
• Case zog.

Cov nram qab no cov thawj coj kev - Canon yog-III (12x36), Ua ib tug kaj tus neeg sawv cev ntawm tsev neeg ntawm txhim khu kev qha technology ntawm cov hom nto moo. Ib tug ntawm cov yam ntxwv tseem ceeb ntawm cov qauv tau los ua ib tug high-zoo stabilization system nrog ib tug khawm nyob rau hauv nruab nrab, uas yog yooj yim siv ob txhais tes. Binoculars nrog ib tug 12-fold approximation tau txais ib tug 36-millimeter lens ntawm developers. Nyob rau hauv tas li ntawd, nyob rau hauv daim ntawv teev cov nws sib tw zoo muaj xws li.

1. Comparatively tsawg qhov ceeb thawj (0.66 kg).
2. Clarity duab.
3. 5-degree saib lub.
4. Ergonomic.
5. Zoo ntawm cov ntaub ntawv cov ntaub ntawv.

Yog hais tias objectively txuas qhov kev luj xyuas ntawm tag nrho cov yam ntxwv ntawm no ntaus ntawv, ces nws yog tsim nyog los qhia kom meej rau cov tsis muaj socket rau kev txhim kho cov txheej txheem rau ib lub kos. Nyob rau hauv tas li ntawd, ib tug xov tooj ntawm cov neeg siv tsis txaus siab txog seeb babes. Nws yog tseem tsim nyog xav tias yuav tus tus nqi ntawm cov qauv.

Lwm txhim khu kev qha cov piv txwv ntawm niaj hnub optics rau tej lub tswvyim yog ib tug qauv. SP 16x50 los ntawm Pentax Cov. Tus ntaus ntawv nyob rau hauv classic tsim muaj kev coj dawb huv thiab brightness ntawm daim duab ntawm 3.5 degrees ntawm lub tshav pob ntawm view. Lub 16-fold binoculars yog nruab nrog ib tug 50 hli lens thiab lens nrog ib tug zoo enlightening txheej. Ntsiab sib tw zoo yog raws li nram no.

1. High quality cov ntaub ntawv thiab los ua ke.
2. Clarity duab.
3. Ergonomic.
4. Txhim khu kev qha kev tiv thaiv ntawm optics ntawm hmoov av thiab dej.
5. 30-xyoo warranty chaw tsim tshuaj paus rau lo ntsiab muag.

Cov lus qhia rau xaiv

Ua ntej yuav binoculars, nws yog ib pom zoo kom them nyiaj saib xyuas mus rau txoj kev tshawb ntawm cov yooj yim cov yam ntxwv thiab nta ntawm cov pawg ntawm xws optical hom kev kawm nyob rau hnub no. Thiab ib qhov tseem ceeb rau kev xaiv yuav lub hom phiaj ntawm xws li ib tug purchase. Yog li ntawd, nyob rau hauv ib tug cov ntaub ntawv, ib tug qauv yog tsim nyog nrog zoo stabilization thiab du approximation (zoom). Rau lwm tus neeg, lub taub hau ntawm lub ces kaum yog qhov ntev, durability thiab ergonomics. Feem ntau, tus tsim ntawm tus binocular lub cev yuav tsum tau ua si.

Yuav kom txo tau txoj kev pheej hmoo ntawm ua (feem ntau kim heev) ib qho yuam kev, nws yog tsim nyog li nram qab no tseem ceeb yam ntxwv thaum koj xaiv ib lub kho qhov muag ntaus ntawv.

1. Multiplicity - Ib tug ntawm cov tseem ceeb, tab sis tsis yog lub tseem ceeb tshaj plaws parameter ntawm high-zoo optics. Nws qhia cov neeg kawm ntawv zuj zus rau hauv lub npaj duab.
2. Tswv yim aperture ntawm lub frontal (pem hauv ntej) kho qhov muag lub caij. Nyob rau hauv cov ntaub ntawv no, peb yuav sib tham txog lub peev xwm ntawm lub lens rau noog teeb ntws, raws li zoo raws li tiv thaiv kom txhob plooj ntawm daim duab (diffraction).
3. Twilight efficiency - Square hauv paus los ntawm cov khoom ntawm multiplicity thiab txoj kab uas hla ntawm lub lens. Qhov no magnitude yog ib qho tseem ceeb rau cov neeg uas npaj yuav mus siv binoculars nyob rau hauv cov neeg pluag teeb pom kev zoo tej yam kev mob.
4. tsom system uas yuav ua tau central, cais thiab ib tug neeg.
5. Cov kab uas hla ntawm lub qhov hluav taws xob beam - Cov yam ntxwv uas ncaj qha nyob rau ntau npaum li cas ntawm qhov pom ntawm ib tug neeg yuav muab kev koom tes, tshwj xeeb tshaj yog nrog neeg pluag visibility.

Tsis tag li ntawd teev, xim yog tsim nyog ntawm xws li ib tug parameter raws li Lub degree ntawm enlightenment ntawm lub optics nws tus kheej. Cov muaj nyob rau hauv lub tsim ntawm aspherical lo ntsiab muag yuav kuj yuav tseem ceeb, muaj cov gyrostabilization thiab sai ocular point kuj yuav. Cov yav tas muaj lub peev xwm los perceive lub daim duab ntawm ib tug tej yam kev ncua deb ntawm lub ntaus ntawv, thiab tsis cia. Cov kev ua ntawm kev stabilizers nyob rau tib lub sij hawm ua ib qho kev gyroscope. Nws yog ib nqi nco ntsoov hais tias Ntsiab tsis (multiplicity thiab inlet aperture) yog qhia rau binoculars, raws li zoo raws li nyob rau hauv lub npe ntawm cov qauv.