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1、视得乐望远镜选购指南(SteinertelescopeSelectionGuide)Steinertelescopecanbedividedintofourdifferentproducts:productfeaturesaredifferentineachseries,eachseriesofproductsaredividedintotwogradesandprofessionalquality.Sohowdoyouchoosetherighttelescope?Youcanfollowthefollowingprinciples.1,the
2、useofplacesTheclassificationpresentedaboveisthefirststepintheselection.Firstofall,thegradeofthelensperformanceischosen.InordertoobservetheeffectofoptimalSteiner,accordingtolightthemaintelescopeindifferentplaces,thecolorandtheenvironmentsuchasreflection,structureandcoatingprod
3、uctshavetoadjust.Inaddition,thestructureofthetelescopemustbeoptimallyadaptedtothemechanicalrequirementsofeachenvironment.Forexample,ifyouwanttobecompletelyhydraulicandnotafraidofchangesinenvironmentaltemperatures,thenyouneedtochooseaprofessionaltelescope,likecommander7*50.2,t
4、helightsituation,thatis,theuseoftimelinessItisnecessarytoremindyou,lightandbrightcoefficientindexoftwoindicatorsarenotthedecisiveindex,butthesamemagnificationdigitalalltelescopelensdiameterratioandthecalculatedvalues,onlythequalityofthelens,thelenscoatingaggregatequalitylensa
5、ndprismemissionstructure,todeterminethequalityoftheimage.Inthedaytimeusecase:thelensdiametertelescopefromthe22-40mmissufficient,withupto7~10times,sothetelescopeistheperfectcombinationforgoodimageeffectandappropriateweightcanbesaid,ifyouareonvacationoruseduringthedaywhenclimbi
6、ngit,soSteinernavigator8x30,12x40ortravelerisagoodchoice.Microenvironment:atdawnorotherdarkenvironment,evenatnight,orneedtouseinavarietyofenvironments,werecommendedthelensdiameterfrom50-56mm,andtheamplificationcanbe7-10times,onlythemainconsiderationfactorsofopticalpropertiesi
7、nthisenvironment,asthemusic8x56or7goatsuckergoatsucker*50ideal.3,qualityandexpectationIfyoueverydayusefultothetelescope,sometimesneedtouseinthebadenvironment,thenyouneedtoselectthebesttelescopeonthemarketcanfindproducts,suchasprofessionalgrade,goldcommander,commander,wildanim
8、alandthenightingale.BecausetheuseofSteinerhighestqualitylensesandspe