William Optics Elite Drawer OAG Kit (William Optics, SKU: M-OAG-ED) is a compact system combining an off-axis guider with a magnetic filter drawer. The adjustable prism collects light from the edge of the image field for the guide camera, while the drawer accommodates a single M48 filter. Interchangeable telescope-side and camera-side adapters make it easier to configure the kit for different astrophotography equipment setups.

Key features

• integrated off-axis guider and magnetic filter drawer in one compact housing
• adjustable high-transmission prism facilitating adaptation to different image circle sizes
• guide camera port supporting a 1.25" push-in connection and M42 thread
• helical focuser with 10 mm adjustment travel for precise guide camera focusing
• magnetic filter drawer accommodating one M48 threaded filter
• interchangeable telescope-side adapters: M48, M54 and M68
• interchangeable camera-side adapters: M48 and M54
• 37.5 mm optical length, designed for cameras with a 17.5 mm flange distance in a 55 mm back focus configuration

Set contents

• William Optics Elite Drawer OAG Kit
• M48 magnetic filter drawer
• M48 telescope adapter
• M54 telescope adapter
• M68 telescope adapter
• M48 camera adapter
• M54 camera adapter

Technical specifications

• product type: off-axis guider with integrated filter drawer
• filter type: single M48 threaded filter
• filter drawer attachment: magnetic
• telescope-side connections: M48, M54, M68
• main camera-side connections: M48, M54
• optional camera-side connection: M42
• guide camera connections: M42 thread, 1.25" push-in connection
• helical focuser travel: 10 mm
• prism position adjustment range from the field centre: 7.5–19 mm
• optical length: 37.5 mm
• required camera flange distance for 55 mm back focus: 17.5 mm
• weight: 336 g

The William Optics Elite Drawer OAG Kit simplifies an astrophotography imaging train by combining off-axis guiding, M48 filter support and several mechanical connection options in one module.