![[完美計劃]](./images/smilies/onion_cd08785a.gif "完美計劃")
http://www.williamoptics.com/telescopes ... s_main.php
William Optics New Scopes
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HK.Raymond.Tse
- 中子星
- 文章: 1090
- 註冊時間: 週一 11 8月, 2003 16:10
Unclear on the diameter of the focuser :
2.5” DDG Focuser
The Digital Display Gauge - DDG - allows you to take precise focusing readings down to two decimals precision instantly.
Extra-smooth 360 deg. rotatable 2.5" Crayford focuser with 1:10 dual speed
But
DDG Focuser 2" 360° Rotating Camera-angle Adjuster
2.5” DDG Focuser
The Digital Display Gauge - DDG - allows you to take precise focusing readings down to two decimals precision instantly.
Extra-smooth 360 deg. rotatable 2.5" Crayford focuser with 1:10 dual speed
But
DDG Focuser 2" 360° Rotating Camera-angle Adjuster
誰在線上
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