Off Axis Guider With Microfocus Dual Helical Focuser Aluminum Telescope Accessory For Naked Eyes And Astro Photography Mount On 2 Inch Focuser And 1.25 Inch Illuminated Reticle Eyepiece
✔️ Compact 24mm length; 75mm back focus; 0.05mm micro-focusing
The Off-Axis Guider with Micro-Focus Dual Helical Focuser is a compact telescope accessory designed to sit in a 2 inch focuser, directing light to a guide camera or crosshair eyepiece for precise tracking during long exposures. It's ideal for astrophotography setups using refractors, SCTs, Maksutov-Cassegrain, and RC telescopes, helping keep stars round and sharp.
✅ 24 mm overall length for slim mounting
✅ M48 telescope-side thread and 2 inch eyepiece socket
✅ Three screws with flat M48 adapter for camera connection
✅ 10 mm travel micro-focusing with 0.05 mm fine adjustment
✅ 75 mm back focus for flexible positioning
✅ Directs light into a 1.25 inch helical focuser via a small prism
✅ Suitable for refractors, SCTs, Maksutov-Cassegrain and RC telescopes
💡 What is an off-axis guider used for in astrophotography?
It helps you capture sharp, long-exposure astro photos by guiding the mount precisely without a separate guide scope.
- off-axis guider helps accurate tracking in long-exposure astrophotography
- supports guide cameras and crosshair eyepieces with 1.25" and 2" interfaces
- compact 24 mm length and 75 mm back focus for easy mounting
- direct light path minimizes field offset and improves guiding consistency