Well, I had my firend's 18X50 IS from Jan to 天文论坛,天文,望远镜,天文望远镜,apo,ed,televue,tv,tmb,高桥,ap,tec,望远镜评测,望远镜测评,双筒望远镜,天顶,目镜,望远镜配件,赤道仪" H+ u* F# C/ d
mid Apr this year. I have yet to fiind myself reaching 天文论坛,天文,望远镜,天文望远镜,apo,ed,televue,tv,tmb,高桥,ap,tec,望远镜评测,望远镜测评,双筒望远镜,天顶,目镜,望远镜配件,赤道仪# v1 k' W% B: q! | [; N
for it when I want to observe. Usually use 12X50 ' D9 z* g/ ]0 e; \9 b0 q) g
roofs without a mount or go to 20X80
* b6 L3 l$ P/ O天文家园欢迎您!说的不错,双筒观测