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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.
Baader Planetarium Sky Surfer III – Flat base adapter made of ABS
Baader Planetarium Sky Surfer III – Flat base adapter made of ABS
Baader Planetarium Sky Surfer III – Flat base adapter made of ABS

Baader Planetarium Sky Surfer III – Flat base adapter made of ABS

by Baader Planetarium
SKU BAA-2957302
$8.50 - $8.50
$8.50
$8.50 - $8.50
$8.50
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  • Adapts Sky Surfer III for flat-surface mounting
  • Enables use on square tube telescopes and mounting rings
  • Constructed from durable, lightweight ABS polymer
  • Provides a stable platform for your red dot finder
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Sky Surfer III – Flat base adapter made of ABS

    The Baader Sky Surfer III Flat Base Adapter is the essential component for mounting your red dot finder onto telescopes or accessories that lack a standard curved saddle. Constructed from rugged ABS polymer, this adapter provides a solid, flat interface, expanding the compatibility of your Sky Surfer III to include square-tube Dobsonians, large tube rings, or custom mounting plates.

    Universal Flat-Surface Mounting for the Sky Surfer III

    Many finderscopes assume a mounting shoe on a curved optical tube. This adapter solves the problem for any setup with a flat mounting point. It allows you to securely attach your Sky Surfer III finder, which typically uses a Vixen/Synta-style foot, to surfaces where a standard finder base won't work.

    • Square-Tube Telescopes: Ideal for truss-tube or solid-tube Dobsonians that have flat-sided upper cages or mirror boxes.
    • Camera Mounting: Can be adapted for use on DSLR hot-shoe adapters or camera cage systems for wide-field aiming.
    • Tube Rings and Plates: Mounts directly onto the flat top of a telescope tube ring or a universal dovetail plate, placing your finder in a convenient, accessible position.

    Lightweight and Durable ABS Construction

    The adapter is manufactured from Acrylonitrile Butadiene Styrene (ABS), a thermoplastic polymer chosen for its balance of strength and low weight. This ensures the adapter adds minimal weight to your optical assembly, preventing balance issues, especially on smaller telescopes.

    The material is rigid enough to hold the finder securely without flexure, maintaining pointing accuracy, while also being less likely to scratch the finish of your telescope compared to a metal adapter.

  • How do I attach the Sky Surfer III Flat Base Adapter to my telescope?

    The adapter is designed to be secured to a flat surface using standard screws (not included). You will need to drill holes in your telescope tube or mounting plate that align with the holes on the adapter. The specific screws required will depend on the material and thickness of the surface you are mounting to.

    Can I use this adapter to mount the Sky Surfer III on my 8" Dobsonian's square upper cage?

    Yes, this is an ideal application. The flat base of the adapter is designed specifically for surfaces like the flat wooden or composite panels of a square-tube Dobsonian's upper tube assembly, providing a much more secure fit than a standard curved base.

    Is the Sky Surfer III adapter compatible with finders other than the Baader Sky Surfer III?

    This adapter is specifically designed to accept the dovetail foot of the Baader Sky Surfer III. While it may fit other red dot finders that use a Vixen/Synta-style finder foot, compatibility is not guaranteed, and the fit may not be as secure.

    Why is the Sky Surfer III adapter made of ABS instead of aluminum?

    Using ABS plastic offers several advantages for this application. It significantly reduces the weight of the part, which helps maintain the balance of your telescope. It is also corrosion-resistant and less likely to mar the finish of your equipment than a metal part.

    Does the Sky Surfer III Flat Base Adapter come with mounting screws?

    No, mounting hardware is not included. The type of screws needed varies widely depending on whether you are attaching it to a metal tube, a wooden Dobsonian box, or a composite plate, so you must source the appropriate hardware for your specific setup.

    Can this adapter be used to mount a Sky Surfer III on a camera hot shoe?

    Not directly. While this adapter provides the necessary flat surface, you would still need a separate hot-shoe-to-flat-plate adapter to connect it to a DSLR or mirrorless camera. This adapter's primary purpose is for direct mounting to a telescope or accessory plate.

  • Material ABS (Acrylonitrile Butadiene Styrene)
    Base Type Flat
    Compatibility Baader Sky Surfer III Red Dot Finder
    Net weight (kg) 0.01

    • Sky Surfer III Flat Base Adapter

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  • Baader Planetarium Warranty