Magnification piav
Magnification yog ib qho tseem ceeb tshaj plaws thaum xaiv qhov chaw pom Canada. Nws txiav txim siab npaum li cas ze dua ib yam khoom yuav tshwm sim piv rau qhov muag liab qab. Spotting scopes feem ntau tuaj nrog qhov sib txawv ntawm qhov kev nthuav dav, tso cai rau cov neeg siv kom zoom hauv thiab tawm raws li xav tau. Thaum ntsuas qhov magnification, nws yog ib qho tseem ceeb kom nkag siab txog ob tus lej cuam tshuam nrog qhov ntsuas pom, xws li 20-60x lossis 15-45x. Thawj tus naj npawb sawv cev rau qhov qis tshaj qhov teeb tsa, thaum lub thib ob qhia qhov siab tshaj plaws.
Lens Txheej thiab Nws Qhov Tseem Ceeb
Lens txheej plays lub luag haujlwm tseem ceeb hauv kev ua kom pom qhov ua tau zoo tshaj plaws. Nws pab txhim kho lub teeb kis tau tus mob, txo qhov ci ntsa iab, thiab txhim kho cov duab sib piv thiab pom tseeb. Spotting scopes tej zaum yuav muaj ntau hom lens coatings, nrog rau tag nrho coated, multi-coated, thiab tag nrho multi-coated.
Coated Tag Nrho: Spotting scopes nrog tag nrho coated lo ntsiab muag muaj ib txheej ntawm anti-reflective txheej ntawm tsawg kawg yog ib lub lens nto. Thaum lawv muab qee qhov kev txhim kho hauv kev sib kis ntawm lub teeb thiab cov duab zoo piv rau cov lo ntsiab muag tsis muaj coated, lawv tseem yuav raug kev txom nyem los ntawm glare thiab txo qhov pom tseeb, tshwj xeeb tshaj yog nyob rau hauv cov teeb pom kev zoo nyuaj.
Multi-Coated: Multi-coated lo ntsiab muag muaj ntau txheej txheej los tiv thaiv kev cuam tshuam ntawm ib lossis ntau qhov chaw lo ntsiab muag. Qhov no yuav pab txo qis glare, nce lub teeb kis tau tus mob, thiab txhim kho cov duab sib piv. Spotting scopes nrog multi-coated lo ntsiab muag muab kev ua tau zoo dua li cov uas muaj cov lo ntsiab muag tag nrho, ua rau lawv tsim nyog rau kev ua si sab nraum zoov.
Siab Multi-Coated: Tag nrho cov lo ntsiab muag multi-coated muaj ntau txheej txheej tiv thaiv kev cuam tshuam ntawm txhua qhov chaw huab cua-rau-iav. Qhov no muab lub teeb kis tau zoo tshaj plaws, pom tseeb, thiab qhov sib txawv, ua kom cov duab zoo nkauj thiab zoo nkauj txawm tias nyob rau hauv qhov chaw qis. Spotting scopes nruab nrog tag nrho cov coated lo ntsiab muag yog qhov zoo tagnrho rau cov neeg nyiam sab nrauv thiab cov neeg siv khoom uas xav tau kev ua haujlwm tsis txaus ntseeg.
Field of View and Eye Relief
Ntxiv nrog rau kev nthuav dav thiab txheej txheej lens, lwm yam tseem ceeb ua rau pom qhov pom qhov ua tau zoo tag nrho. Ib qho piv txwv zoo li no yog thaj chaw saib (FOV), uas yog hais txog qhov dav ntawm thaj chaw pom los ntawm thaj tsam ntawm ib qho kev ncua deb. Qhov dav FOV tso cai rau cov neeg siv los soj ntsuam ntau qhov chaw nyob ib puag ncig, ua kom nrhiav thiab taug qab cov ntsiab lus yooj yim dua, tshwj xeeb tshaj yog nyob rau hauv qhov chaw nrawm. Qhov muag nyem yog lwm qhov tseem ceeb, tshwj xeeb tshaj yog rau cov neeg siv uas hnav tsom iav lossis tsom iav. Qhov muag nyem yog hais txog qhov kev ncua deb ntawm lub qhov muag thiab cov neeg soj ntsuam lub qhov muag uas tag nrho daim teb tuaj yeem pom yam tsis muaj vignetting lossis darkening nyob ib ncig ntawm cov npoo. Spotting scopes nrog ncua qhov muag nyem tau yooj yim dua, muab qhov chaw txaus rau cov neeg siv los tso lawv ob lub qhov muag yam tsis muaj qhov tsis xis nyob.
Huab cua Resistance thiab Durability
Cov neeg nyiam sab nraum zoov feem ntau ntsib ntau yam huab cua, txij li hnub ci ci mus rau nag lossis daus. Yog li ntawd, xaiv ib qho chaw uas muaj peev xwm tiv taus cov ntsiab lus thiab tswj kev ua tau zoo hauv txhua qhov chaw yog qhov tseem ceeb. Saib rau qhov pom kev pom nrog huab cua-tiv thaiv kev tsim kho, xws li cov qauv tsim dej tsis zoo thiab pos huab, kom ntseeg tau tias kev ua haujlwm ruaj khov txawm tias nyob rau hauv qhov hnyav. Durability yog lwm qhov tseem ceeb, tshwj xeeb tshaj yog rau cov neeg siv uas nquag mus rau hauv rugged struts lossis ib puag ncig ntxhib. Pom qhov ntsuas los ntawm cov ntaub ntawv zoo, xws li aircraft-qib aluminium lossis magnesium alloy, muab kev ua haujlwm zoo dua thiab kev ntseeg tau ntev. Tsis tas li ntawd, cov roj hmab armor coatings tiv thaiv cov pob, cuam tshuam, thiab khawb, kom ntseeg tau tias koj qhov kev pom zoo nyob rau ntau xyoo.
Mounting Options thiab Accessories
Lub mounting system yog qhov tseem ceeb hauv kev ruaj ntseg thiab yooj yim ntawm kev siv thaum siv qhov ntsuas qhov ntsuas. Ntau qhov chaw pom tau tuaj nrog lub teeb tsa ko taw lossis tripod adapter, tso cai rau cov neeg siv txuas lawv mus rau lub koob yees duab rau kev saib tsis tu ncua. Tsis tas li ntawd, tshwj xeeb mounts, xws li qhov rais los yog lub qhov rais tsheb mounts, muaj nyob rau kev soj ntsuam ntawm lub tsheb los yog taag txoj hauj lwm. Cov khoom siv zoo li cov khoom siv smartphone ua rau cov neeg siv tuaj yeem ntes cov duab lossis yeeb yaj kiab los ntawm kev pom qhov pom, ntxiv ntau yam thiab ua haujlwm rau lawv cov kev lom zem sab nraum zoov. Xav txog koj txoj kev nyiam mounting thiab lwm yam khoom siv ntxiv uas koj xav tau los txhim kho koj qhov kev paub txog kev pom ntxiv.
Xaus
Nkag siab txog cov hauv paus ntsiab lus ntawm kev pom qhov pom, suav nrog kev nthuav dav thiab txheej txheej lens, yog qhov tseem ceeb rau kev ua kom zoo dua lawv cov kev ua tau zoo thoob plaws ntau yam dej num sab nraum zoov. Magnification txiav txim siab npaum li cas cov khoom tshwm sim, thaum lub lens txheej txhim kho lub teeb kis tau tus mob thiab cov duab zoo. Cov yam ntxwv xws li kev pom, qhov muag nyem, huab cua tsis kam, kav ntev, thiab cov kev xaiv mounting ua rau pom qhov pom ntawm qhov kev siv tau thiab kev ua tau zoo. Los ntawm kev txiav txim siab txog cov yam no ua tib zoo, cov neeg nyiam sab nraum zoov tuaj yeem xaiv qhov chaw pom zoo kom tau raws li lawv cov kev xav tau tshwj xeeb thiab nyiam, ua kom muaj kev lom zem thiab muaj txiaj ntsig zoo rau sab nraum zoov.