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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
PrimaLuceLab 3" Nosepiece for ARCO 3" Rotator

PrimaLuceLab 3" Nosepiece for ARCO 3" Rotator

by PrimaLuceLab
SKU PLL-PL3600466
$65.00 - $65.00
$65.00
$65.00 - $65.00
$65.00
Price Match Policy!
  • Connects ARCO 3" rotator to any standard 3" focuser visual back
  • Enables a rigid, secure connection for your imaging train
  • Designed for integration with the SESTO SENSO 2 focusing motor
  • Completes the PrimaLuceLab ecosystem for robotic imaging
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • 3" Nosepiece for ARCO 3" Rotator

    The PrimaLuceLab 3" Nosepiece for the ARCO 3" provides the essential mechanical interface to connect your robotic rotator to any focuser equipped with a standard 3-inch visual back. This component ensures a secure, non-flexing link in your optical train, which is critical for maintaining precise alignment during automated imaging sessions controlled by the SESTO SENSO 2.

    Secure Mechanical Link for 3-Inch Focusers

    This nosepiece is engineered to bridge the gap between PrimaLuceLab's ARCO 3" rotator and the large-format focusers found on high-end refractors and astrographs. By inserting directly into a 3" visual back, it creates a solid, stable platform for your entire imaging assembly, preventing tilt and sag that can ruin long exposures.

    Unified Control Within the PrimaLuceLab Ecosystem

    Beyond the physical connection, this nosepiece is a key part of PrimaLuceLab's integrated ecosystem. It's designed to work in concert with a SESTO SENSO 2 motor installed on the same focuser, allowing the PLAY software or an EAGLE computer to manage both focusing and field rotation from a single control point.

  • What is the primary function of the 3" nosepiece for the ARCO 3"?

    Its primary function is to physically connect the PrimaLuceLab ARCO 3" rotator to a telescope focuser that has a 3-inch visual back. It acts as a secure adapter, allowing you to integrate the rotator into a large-format imaging train.

    How does this ARCO 3" nosepiece integrate with the SESTO SENSO 2?

    This nosepiece allows the ARCO 3" rotator to be mounted on a focuser that is being controlled by a SESTO SENSO 2. This creates a complete, electronically controlled system where both focus and rotation can be managed together through PrimaLuceLab's PLAY software, enabling advanced features like field de-rotation and automated focusing routines.

    Will this 3" nosepiece fit my William Optics or Stellarvue focuser with a 3" opening?

    Yes, this nosepiece is designed to be compatible with any standard 3-inch focuser visual back or accessory port. It provides the correct insertion barrel to securely mount your ARCO 3" rotator onto focusers from most major brands that use this common large format.

    Is this the correct adapter to use the ARCO 3" on my Celestron EdgeHD with a 3" Feather Touch focuser?

    Yes. If you have upgraded your Celestron EdgeHD telescope with an aftermarket 3-inch focuser, such as one from Feather Touch or MoonLite, this 3" nosepiece is the correct component to attach the ARCO 3" rotator to that focuser.

    Does the 3" nosepiece for ARCO 3" add significant length to the optical path?

    While all adapters consume some back focus, this nosepiece is designed to be as compact as possible. However, you must always account for its physical length when calculating the total back focus of your imaging train to ensure you can reach focus with your camera.

    Do I need any other hardware to install the ARCO 3" rotator using this nosepiece?

    This nosepiece provides the connection from the rotator to the focuser. You will still need the ARCO 3" rotator itself, a focuser with a 3-inch visual back, and typically a SESTO SENSO 2 for integrated electronic control. Ensure your focuser's compression ring or thumbscrews are in good working order to securely hold the nosepiece.

  • PrimaLuceLab 1-Year Warranty