The Off-Axis Guider is a highly effective and efficient，it also an essential astroimaging accessory for long focal length telescopes that require the most accurate guiding possible.

1. Lightweight and elegant,with a moderate thickness (17.5mm)
2. Prism area 10*10mm
3. Effective aperture 10*7mm
4. Capable of simultaneously connecting the main camera and guide camera without the need for a guiding scope.
5. Compatible with all ToupTek ATR cameras or other mainstream brands cameras and accessories.