Open Box ZWO OAG-L Off-Axis Guider 12mm Prism William Optics guiding you as you to

guiding you as you to move the telescope

2 LEGO minifigures

Internal tube treatment:

Guiding scope gives sharpest image and straight through viewing with an inverted image

Open Box ZWO OAG-L Off-Axis Guider 12mm Prism William Optics guiding you as you toCondition: This is a an Open Box return of a ZWO OAG L. It is in perfect, unused condition the previous owner opened the box, looked at it, and realized it was not for him. You save TWENTY BUCKS off of one that hasn't been opened! Description: OAG L has a large prism size of 12*12mm, far bigger than M68 OAG. The bigger clear aperture brings wider field of view in guiding. It is easy to use, and suitable for users who are interested in long focal