親子觀星會

TEC 300VT f/1.44

http://www.cloudynights.com/topic/375686-new-tec-300vt-f144-7-deg-astrograph/
 

http://astro.freebbs.tw/viewthread.php?action=printable&tid=1693
(http://www.cloudynights.com/ubbthreads/attachments/5196219-NEAF18.JPG)

Riccardi式的變體 ??


http://www.telescope-optics.net/honders_camera.htm

(http://www.telescope-optics.net/images/Busack.PNG)

305mm f3.8   Riccardi-Honders Design
http://www.astro-physics.com/index.htm?products/telescopes/305honders/305honders


Astro-Physics 305mm f3.5 / 12 Inch f3.8 Riccardi-Honders Astrographic Telescope (P/N 305RHA)
http://www.company7.com/astrophy/maks/305f3.8honders.html

(http://www.company7.com/astrophy/graphics/AP_Riccardi&12Mak250365.jpg)


這是否跟 rh200 rh250 rh300 有關
http://familystar.org.tw/index.php?option=com_smf&Itemid=35&topic=21276.0

http://familystar.org.tw/index.php?option=com_smf&Itemid=45&topic=26755.0