Atik Off-Axis Guider 

Create your own perfected guiding system with the Atik Off-Axis Guider. This moving prism system enables the user to choose from a wider variety of quality stars within the corrected field of view. The Atik Off-Axis Guider also enables you to utilize this capability with sensor sizes up to full-frame 35mm. This guider also has a high precise fine-focus system that is velvety smooth. With three varied extension ring lengths, the OAG can reach focus for a wide range of camera systems.