admin
發表於 2008-2-21 17:37:10
oldfield
發表於 2008-2-22 10:51:17
f/3.3 reducer is only for small CCD
KST
發表於 2008-2-22 13:24:40
唔知兩個 F/6.3 reducer 一起用, 効杲好唔好徊 F/3.3%32@ %79@
ianchung
發表於 2008-2-23 02:00:10
突然想試下用c8+f/6.3去打雀%24@
mike_leung
發表於 2008-3-3 22:57:24
C8對焦太慢...可能你要先更換focuser，可能會更efficient
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