Adapter from M81 to M54 with stop ring for ESATTO 3" and ARCO 3"

If you want to use your telescope visually with ESATTO 3" or if you want to connect a camera with a 2" nosepiece, just connect the 2" visual back for ESATTO 3" to the M81 thread of the focuser draw tube. This adapter has an internal brass compression ring to avoid scratching the inserted nosepiece as well as 3 locking screws (120° separation) for a...

The M81 25mm extension tube can be directly threaded to the ESATTO 3" draw tube and allows you to fix camera and accessories further away from the ESATTO microfocuser. This M81 extension tube has 25mm thickness, it's made up of aluminum, black anodized and it has a M81 female on the camera side this way you can connect all the ESATTO 3" camera adapters.

ESATTO robotic focuser is also available in 3" version with 76.3mm free aperture, 25mm of draw tube travel, 8kg of payload capacity and an incredible resolution of 0,04 micron per step! The perfect solution for apochromatic refractors and Ritchey-Chretien or Cassegrain telescopes, and heavy imaging trains with large cameras and accessories like off axis...

This bundle includes the ESATTO 3" focuser, the ARCO 3" rotator and the adapter to connect them, allowing you to take remote control of focusing and rotation in a compact focuser with just 86.5mm of thickness and 76.3mm of free aperture.

If you want to connect a camera with a 3" nosepiece to your ESATTO 3" or ARCO 3", just connect the 3" visual back to the M81 thread of ESATTO 3" or ARCO 3" . This adapter has an internal brass compression ring to avoid scratching the inserted nosepiece as well as 3 locking screws (120° separation) for a perfect fit, even for heavy cameras or accessories.