bandofbrother 发表于 2003-12-28 13:02

想要個254mm望遠鏡

我想問大家如果要買個254mm望遠鏡，要長期曝光既赤道儀，大家有什麼好介紹??

15x70 发表于 2003-12-28 18:21

bandofbrother 发表于 2003-12-28 20:02

254mm Newtonian

I want to buy a 254mm Newtonian and the focal value is about 4.
So what EQ mount is suitable for this kind of telescope?

lyf59595959 发表于 2003-12-30 20:21

DangqingZhang(ShanDong)  made  254mm  Newtonian.  The  price  is  very cheap.  And  the  mount    must   be   Tobsom.
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