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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 Filter Crown Tool for 1.25" Baader filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for 2" Baader Filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for Baader Filters
Baader Planetarium Filter Crown Tool for 1.25" Baader filters
Baader Planetarium Filter Crown Tool for 2" Baader Filters

Baader Planetarium Filter Crown Tool for Baader Filters

by Baader Planetarium
SKU BAA-2458134
$40.00 - $40.00
$40.00
$40.00 - $40.00
$40.00
Price Match Policy!
  • Safely Removes Stuck Baader Filters – Versions for 1.25" & 2" Filters
  • Engages with Baader's Proprietary "Filter Crown" Notch
  • Prevents Deformation of Thin-Walled Filter Cells
  • Ideal for Tight Spaces like Filter Wheels and Herschel Wedges
  • Avoids Fingerprints on Optical Surfaces
  • 3D-Printed Construction
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Availability Info
Qualifies for FREE Shipping in CONUS on orders over $350.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Filter Crown Tool for Baader Filters

    The Baader Filter Crown Tool is engineered specifically for modern Baader filters, engaging with their unique milled grip crown to prevent damage during removal, and is available in versions for 1.25" and 2" filters. This 3D-printed tool provides even, distributed pressure for extracting tightly fitted filters from changers or Herschel wedges without deforming the thin-walled cells.

    Solving the Stuck Filter Problem: Safely Removing Baader Filters

    Modern Baader filter cells are intentionally thin-walled to maximize the clear aperture. When a filter is screwed in tightly or located in a hard-to-reach spot like a filter wheel, gripping it with two fingers can easily deform the cell, causing it to jam even more severely. The Filter Crown Tool solves this by gripping the entire filter frame, distributing the pressure evenly so the cell cannot be distorted.

    Engaging the Baader "Filter Crown" on LPFC & ULP Cells

    This tool's effectiveness comes from its precise interaction with the "filter crown"—a series of milled notches unique to modern Baader 1.25" and 2" filter cells. The tool's prongs lock into these notches, providing a secure, tension-free grip that a simple friction wrench cannot match.

    • Designed For Baader: Each version is only compatible with Baader filters of its size (1.25" or 2") that feature the Low Profile (LPFC) or Ultra Low Profile (ULP) Filter Cell design with the grip crown.
    • Explicit Incompatibility: It is not suitable for older Baader filters that lack the crown, nor will it work with filters from any other manufacturer.

    A 3D-Printed Tool for Fingerprint-Free Handling

    By using this tool, you gain a much better grip to twist a filter out without ever needing to touch the optical surface, eliminating the risk of accidental fingerprints. The tool is produced via 3D printing, and for those who own a 3D printer, Baader makes the print file available for download separately.

  • Why do I need the Baader Filter Crown Tool for my filters?

    You need the Baader Filter Crown Tool if you use modern 1.25" or 2" Baader filters in tight spaces like filter wheels or diagonals. Their thin-walled cells can deform and jam if twisted with finger pressure alone. This tool provides even pressure to prevent damage and ensure easy removal.

    Will the Baader Filter Crown Tool work with my non-Baader filters?

    No. The tool is specifically designed to engage with the proprietary "filter crown" notches milled into modern Baader filter cells (LPFC and ULP types). It is not compatible with filters from other manufacturers that lack this feature.

    How does the Filter Crown Tool prevent my Baader filter from getting stuck?

    The Filter Crown Tool prevents jamming by distributing rotational force across the entire filter frame instead of concentrating it at two finger points. This stops the thin metal cell from deforming under pressure, which is the primary cause of a filter jamming in its threads.

    My Baader filter is stuck in my filter wheel; which Crown Tool version do I need?

    Choose the version that matches your filter: the 1.25" Filter Crown Tool for 1.25" Baader filters, or the 2" Filter Crown Tool for 2" Baader filters. A stuck filter in a wheel is precisely the scenario the tool was designed for: it allows you to get a firm, even grip on a filter that is difficult to access, enabling you to unscrew it without damaging the filter cell.

    I have older Baader filters. Is the Crown Tool compatible with them?

    Compatibility is not guaranteed for older filters. The Filter Crown Tool is designed for modern Baader 1.25" and 2" filters featuring the LPFC (Low Profile Filter Cell) or ULP (Ultra Low Profile) design, which includes the milled grip crown. Older versions without this feature are not compatible.

    I'm trying to swap a filter inside my Baader Herschel Wedge and it's tight. Will this tool help?

    Absolutely. The rotation mechanism of a Herschel Wedge is another common place where a filter can be hard to reach and remove. The Baader Filter Crown Tool provides the leverage and grip needed to easily swap filters in such a device without frustration or risk of fingerprints.

  • 1.25" Filters

    Filter Size 1.25"
    Compatibility Modern Baader Filters with LPFC or ULP Cells (Grip Crown)
    Engagement Milled "Filter Crown" Notches
    Construction 3D-Printed
    Not Compatible With Non-Baader Filters; Older Baader Filters without Grip Crown

    2" Filters

    Filter Size 2"
    Compatibility Current Baader Filters with LPFC or ULP Cells (Grip Crown)
    Engagement Milled "Filter Crown" Notches
    3D Print File Available from Baader
    Not Compatible With Non-Baader Filters; Older Baader Filters without Grip Crown

    • Filter Crown Tool for Baader Filters (selected size)

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  • Baader Planetarium Warranty