ZWO OAG-L, big Off Axis Guider.

Allows the use of a guide camera in off axis position next to the main imaging camera without the need for a guide scope. Flexible adaptation to your camera and telescope via T2 and M48 threads. Fully compatible with all ZWO ASI cameras. Good stability , stiff connection to the telescope.

How to adjust the position of the prism of OAG-L?

1. Use an M2 hex wrench to anticlockwise loosen the M4 screw in the through hole of the sensor tilt plate

2. Pinch the prism on both sides and then pull it to the proper position.

3. Then re-tighten the M4 screw with the M2 hex wrench.

Allows the use of a guide camera in off axis position next to the main imaging camera without the need for a guide scope. Flexible adaptation to your camera and telescope via T2 and M48 threads. Fully compatible with all ZWO ASI cameras. Good stability , stiff connection to the telescope.