ZWO Off-Axis Guider

ZWO Off-Axis Guider, provides users with an efficient and convenient guiding solution, suitable for various astrophotography scenarios, the ideal choice for astronomy enthusiasts. Currently available in three models: OAG, OAG-L, OAG-L-68 Specifications Product Name OAG OAG-L OAG-L-68 Prism Size 8×8mm 12×12mm 12×12mm Thickness 16.5mm 17.5mm 17.5mm Effective Aperture 7.4×5mm 11.7×8.3mm 11.7×8.3mm Sensor Tilt Plate None Built-in M48 Sensor Tilt Plate Built-in M68 Sensor Tilt Plate Compatible Filter Wheel 1.25" EFW、2" EFW、36mm EFW 2" EFW、36mm EFW ZWO Square Filter Wheel Recommended Main Camera ASI cameras with APS-C sensor size or smaller ASI cameras with full-frame sensors or smaller ASI461 Recommended Guide Camera ASI Mini Camera ASI Mini Camera ASI Mini Camera Weight (Net) 181g 265g 277g Why Choose ZWO OAG? Excellent Stability ZWO Off-Axis Guider (OAG/OAG-L/OAG-L-68)is made of aluminum alloy, lightweight and elegant with moderate thickness, and features a set screw to secure the prism column, for firm and stable connection. High Precision ZWO Off-Axis Guider can connect both main camera and guide camera simultaneously, eliminating the need for a separate guide scope. It uses part of the light path from the main telescope for guiding, providing higher precision. ZWO 1.25" Dual-Focuser (Sold Separately) When using OAG, pair with ZWO HF Dual-Focuser, for easy and precise focusing. The HF focuser is made of aviation-grade aluminum alloy, precision CNC machined, with sandblasted and anodized surface, for a non-slip and durable experience. (OAG-L and OAG-L-68 come with built-in dual-focuser, for stable guiding performance.) Note: The ZWO HF (Helical Focuser) is designed exclusively for assisting focus adjustment when connecting ZWO mini series cameras to an OAG for guiding. Connection Method How to Use Mechanical Diagram OAG HF OAG-L-68 OAG-L