Specification
Aperture: Lub 70mm aperture yog suav tias yog me me mus rau nruab nrab-qhov loj me, uas txhais tau hais tias nws tuaj yeem sau cov teeb pom kev zoo tab sis yuav tsis muab tib theem ntawm kev nthuav dav thiab ci ntsa iab zoo li lub telescopes loj. Txawm li cas los xij, nws tseem yog qhov loj me me rau cov neeg pib tshiab thiab nruab nrab cov neeg soj ntsuam.
Focal ntev: Lub focal ntev ntawm 70mm refractor telescope tuaj yeem sib txawv, tab sis feem ntau yog nyob rau hauv thaj tsam ntawm 700-900mm. Lub focal ntev txiav txim siab qhov kev nthuav dav ntawm lub tsom iav, nrog rau qhov ntev focal ntev ua kom muaj qhov loj dua. Txawm li cas los xij, nws tseem ceeb heev uas yuav tsum nco ntsoov tias qhov kev nthuav dav tsis yog qhov tseem ceeb tshaj plaws hauv kev soj ntsuam, thiab qhov kev nthuav dav ntau dua tuaj yeem ua rau cov duab tsaus, fuzzier.
Mount: 70mm refractor telescopes tuaj yeem tuaj nrog ntau hom mounts, suav nrog equatorial thiab altazimuth. Equatorial mounts yog qhov nyuaj rau kev teeb tsa tab sis tso cai rau kev taug qab yooj yim ntawm cov khoom ntuj ceeb tsheej thaum lawv txav mus thoob lub ntuj. Altazimuth mounts yog yooj yim dua rau siv thiab ntau intuitive, tab sis tej zaum yuav xav tau ntau zaus hloov kho kom cov khoom nyob rau hauv saib.
Accessories: tuaj nrog accessories xws li eyepieces, finderscopes, thiab tripods. Cov no tuaj yeem sib txawv ntawm qhov zoo thiab muaj txiaj ntsig, yog li nws tsim nyog ua qee qhov kev tshawb fawb thiab nyeem cov tshuaj xyuas kom ntseeg tau tias koj tau txais txiaj ntsig zoo rau koj cov nyiaj.
Cim npe nrov: Tuam Tshoj astronomy telescopes rau beginners, Tuam Tshoj astronomy telescopes rau beginner manufacturers, lwm tus neeg, Hoobkas
