Cov ntsiab lus EQ3 thiab EQ4 hais txog ntau hom kab hluav taws xob mounts siv hauv telescopes. Equatorial mounts yog tsim los ua kom haum nrog lub ntiaj teb axis ntawm kev sib hloov, tso cai rau kev yooj yim taug qab ntawm cov khoom saum ntuj ceeb tsheej thaum lawv tshwm sim hla saum ntuj.
Nov yog qhov sib txawv tseem ceeb ntawm EQ3 thiab EQ4 mounts:
1.Size thiab Peev Xwm: Feem ntau, EQ3 mounts me dua thiab muaj peev xwm qis dua piv rau EQ4 mounts. EQ3 mounts feem ntau yog tsim los rau lub koob yees duab me me, thaum EQ4 mounts tuaj yeem tuav lub tsom iav loj dua thiab hnyav dua. Lub peev xwm hnyav ntawm EQ3 mounts feem ntau yog nyob ib ncig ntawm 10-15 kilograms (22-33 phaus), thaum EQ4 mounts tuaj yeem tuav tau 15-20 kilograms (33-44 phaus) lossis ntau dua.
2.Stability: EQ4 mounts feem ntau ruaj khov thiab ruaj khov piv rau EQ3 mounts vim lawv qhov loj thiab kev tsim kho. Qhov kev ruaj ntseg ntxiv pab txo qis kev vibrations thiab txhim kho tag nrho kev taug qab qhov tseeb.
3.Smoothness of Motion: EQ4 mounts feem ntau muab cov lus tsa suab thiab kev taug qab muaj peev xwm vim lawv qhov loj dua thiab kev tsim kho zoo dua.
EQ3 mounts tej zaum yuav muaj qee qhov kev txwv ntawm kev du, tshwj xeeb tshaj yog thaum siv nrog lub tsom iav dub hnyav dua.
Nqe:
EQ4 mounts feem ntau kim dua EQ3 mounts vim lawv qhov loj dua, muaj peev xwm hnyav dua, thiab txhim kho kev ruaj ntseg.
Thaum xaiv ntawm EQ3 thiab EQ4 mounts, xav txog qhov loj thiab qhov hnyav ntawm koj lub tsom iav,
lub stability xav tau, thiab koj cov peev nyiaj. Yog tias koj muaj lub koob yees duab me me los yog nyob rau hauv kev siv nyiaj nruj dua, EQ3 mount yuav tsim nyog. Txawm li cas los xij, yog tias koj muaj lub koob yees duab loj dua thiab hnyav dua lossis xav tau kev ruaj ntseg zoo dua thiab taug qab, EQ4 mount yuav yog qhov kev xaiv zoo dua.