Omegon Off-Axis-Guider Advanced T2

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The Omegon Off-Axis-Guider Advanced T2 is a precision optical accessory designed to enable autoguiding without the need for a separate guide scope, by picking off a small portion of light from the main optical path. It features a T2 thread interface and an adjustable prism mechanism, making it compatible with a wide range of imaging setups. Overall it offers a solid, well-built solution for astrophotographers looking to improve tracking accuracy while keeping their imaging train compact.
Key Features & Specs
| Thread Standard | T2 (M42x0.75) on both input and output sides for broad telescope and camera compatibility |
|---|---|
| Prism Design | Adjustable pick-off prism that can be rotated and repositioned to locate a suitable guide star |
| Guide Port | 1.25-inch guide camera port with compression ring to accept standard guide cameras |
| Build Material | Machined aluminium body with anodized finish for durability and low weight |
| Dimensions | Compact profile minimizes back-focus distance impact, keeping the imaging train as short as possible |
| Compatibility | Works with most DSLRs, mirrorless cameras, and dedicated astronomy cameras via T2 adapters |
| Included Accessories | Comes with T2 extension rings and a locking mechanism to secure prism position during imaging sessions |
Best for: Astrophotographers using telescopes with limited back-focus distance who want reliable autoguiding without adding a second guide scope to their setup.