Optec Sagitta Off-Axis Guider

The integrated stepper motor allows for automated, precise adjustments to your guide star position without the need for manual tweaking. This ensures consistent tracking accuracy during long-exposure sessions, significantly reducing the risk of star trailing.

You will need to account for 31.7mm of back focus when calculating your total imaging train distance. If your current setup is already near the limit of your focuser's travel, you may need to adjust your spacers or adapter configuration to accommodate this unit.

While it is designed to work with a wide range of setups, off-axis guiders are most effective on telescopes with longer focal lengths where mirror flop or differential flexure is a concern. Ensure your imaging train has the necessary clearance and that your camera sensor size is compatible with the pick-off prism's field of view.

The USB connection is primarily for power and control of the stepper motor. You will need to ensure your imaging software supports the specific driver for the Sagitta to utilize the motor-driven features effectively.

The aluminum housing is built to be rigid and lightweight, which is ideal for minimizing flexure in your imaging train. It is designed to withstand the rigors of frequent setup and teardown in outdoor conditions.