Lunette guide GT-40
Effective aperture 40MM, focal length 240MM. 1.25" slip fit connection for guide camera. Can be attached to the optional Takahashi clamshell tube holders with the guide scope mount bolt pattern on top.The screw holes in the illustration are 8mm with a 1/4-20 hole in the center. There are two 5mm screw holes with 35mm spacing on the other side. An optional L-bracket allows 10 deg. of adjustment in the X/Y direction.
(Le boîtier est bleu, voir figure 3)