ToupTek OAG-X Off-Axis Guider
The ToupTek OAG-X is a high-efficiency off-axis guider engineered for long focal length telescopes requiring pinpoint guiding precision. By utilizing light from the edge of the main optical path, it allows the main camera and guide camera to operate simultaneously without needing a separate guide scope, effectively eliminating differential flexure. Featuring a lightweight profile with a standard 17.5mm thickness, the OAG-X offers seamless integration with ToupTek ATR series cameras and other mainstream astronomy accessories.
(Attention: The OAG-X is strictly compatible with ToupTek GPM and G3M extended guide camera models, and is not suitable for standard guide or planetary camera models.)
【Key Product Features】
Lightweight & Compact Profile: Moderate 17.5mm thickness for versatile back-focus planning.
Large Prism Optical Aperture: Features a 14×10mm prism with a 14×7mm effective clear aperture for improved guide star selection.
Integrated Guiding Solution: Connects main and guiding cameras in a single optical train, reducing setup weight and setup flexure.
Universal Compatibility: Fully compatible with ToupTek ATR deep-sky cameras and mainstream imaging system accessories.
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Specifications
| Parameter | Details |
| Product Name | ToupTek OAG-X Off-Axis Guider |
| Optical Thickness | 17.5mm |
| Prism Dimensions | 14×10 mm |
| Effective Clear Aperture | 14×7 mm |
| Main Camera Compatibility | ToupTek ATR Series & mainstream imaging cameras |
| Guide Camera Compatibility | ToupTek GPM / G3M Extended models ONLY (Not compatible with standard or planetary models) |
| Primary Application | Long focal length precision guiding without a guide scope |









