Connection of ATR Series Camera, Extender, and OAG

Step 1. Connect Guide Camera to OAG

Guide camera sensor aligned with the OAG prism

Ensure the guide camera's sensor is aligned with the direction of the prism.

Guide camera installed in the OAG focuser OAG guide camera connection detail

Attach the guide camera to the OAG guide focuser and secure it in place.

Guide camera secured on the OAG

Step 2. Attach Extender to Camera

Extender aligned with ATR camera screw holes

Align the extender with the corresponding screw holes on the camera. Use six M2.5 x 20 mm cup head screws to secure it.

Extender secured to the ATR camera

Step 3. Attach Extender to OAG

Extender positioned for OAG attachment Extender attached to OAG with prism clearance

Ensure the prism does not obstruct the camera sensor, then secure with six M2.5 x 6 mm cup head screws.

Step 4. Connect the OAG Front Cover

OAG front cover aligned with screw holes

Align the front cover with the screw holes on the OAG and tighten the screws.

OAG prism adjustment screw

Adjust the prism position by loosening and tightening the top screw of the OAG to prevent the prism from blocking the camera sensor.

OAG front cover installed

Step 5. Connect the Telescope

M48 M54 and M68 telescope adapters for OAG

Select the appropriate adapter (M48, M54, or M68) for the telescope. Use six short screws to connect the adapter to the OAG first, and then connect the whole assembly to the telescope.

OAG connected to telescope adapter

OAG-L for most star guiding scenarios

OAG-X for a broader view of the guiding star

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