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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.
Baader UFC Filter Slider - for 50mm Round Unmounted Filters
Baader UFC Filter Slider - for 50mm Round Unmounted Filters
Baader UFC Filter Slider - for 50mm Round Unmounted Filters
Baader UFC Filter Slider - for 50mm Round Unmounted Filters
Baader UFC Filter Slider - for 50mm Round Unmounted Filters
Baader UFC Filter Slider - for 50mm Round Unmounted Filters
Baader UFC Filter Slider - for 50mm Round Unmounted Filters
Baader UFC Filter Slider - for 50mm Round Unmounted Filters

Baader UFC Filter Slider - for 50mm Round Unmounted Filters

by Baader Planetarium
SKU BAA-2459113
$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00
Price Match Policy!
  • Designed for the Baader Universal Filter Changer (UFC) System
  • Securely holds one 50mm round unmounted filter
  • Accepts filter diameters from 50mm to 50.5mm
  • Enables quick, tool-free filter swaps
  • Maintains minimal back focus consumption
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Baader UFC Filter Slider - for 50mm Round Unmounted Filters

    This Baader UFC Filter Slider is engineered specifically for the Baader Universal Filter Changer (UFC) system, providing a secure, low-profile housing for a single 50mm round unmounted filter. It is designed to accept filters with a diameter from 50mm to 50.5mm, enabling rapid, repeatable filter changes without altering the optical path length.

    The Baader UFC System: A Modular Filtration Platform

    The Universal Filter Changer is Baader's solution to the problem of integrating filters into complex imaging trains, especially with fast optical systems like Celestron RASA or Starizona HyperStar setups where back focus is minimal. Instead of a bulky filter wheel, the UFC system uses a base plate with a slot for thin, interchangeable filter sliders. This Baader UFC Filter Slider is a core component, allowing you to dedicate one slider to each of your 50mm unmounted filters for maximum efficiency.

    Secure Mounting for 50mm to 50.5mm Unmounted Filters

    Unmounted 50mm round filters are common in advanced astrophotography, offering a larger clear aperture and lower cost compared to their mounted counterparts. This slider provides a precise, protective housing that secures the filter without stressing the glass. The design accommodates slight variations in filter diameter, accepting filters from 50mm up to 50.5mm, ensuring a snug fit for various manufacturers' products.

    Rapid Filter Changes for Dynamic Imaging

    A key operational advantage of the slider system is the speed of exchange. During an imaging session, you can swap from a luminance filter to an H-alpha filter in seconds by simply ejecting one slider and inserting another. This manual process is faster than many electronic filter wheels and introduces zero additional power or connectivity requirements, simplifying your field setup and troubleshooting.

    UFC Filter Slider vs. a Filter Wheel: Weight, Speed, and Back Focus

    Choosing between a filter slider and a filter wheel involves clear trade-offs. While a filter wheel offers automation, the UFC slider system excels in specific scenarios.

    • Back Focus: The UFC system is significantly thinner than most filter wheels, making it one of the few viable solutions for systems with extremely limited back focus.
    • Weight & Balance: A single slider and UFC base is lighter than a motorized wheel, reducing the load on the focuser and making telescope balance easier to achieve.
    • Cost: A UFC setup with multiple sliders is often more economical than a multi-position electronic filter wheel, especially for imagers who only use a few filters per session.

  • What is the Baader UFC system and why do I need this 50mm Filter Slider?

    The Baader Universal Filter Changer (UFC) is a modular system designed to place filters in an optical path with minimal back focus. This Baader UFC Filter Slider is the component that holds your filter. You need this specific slider if you use 50mm round unmounted filters and want to integrate them into your UFC-equipped imaging train.

    How do I install a 50mm unmounted filter into the Baader UFC Slider?

    Installing a filter is straightforward. The slider typically uses a retaining ring or small set screws to hold the unmounted filter in place. You simply place the filter into the recessed circular seat and then secure it with the provided mechanism. This ensures the filter is held firmly and squarely to the optical axis.

    Is the Baader UFC Filter Slider suitable for a Celestron RASA 8 imaging setup?

    Yes, absolutely. The Baader UFC system, with sliders like this one for 50mm filters, is one of the most popular filtration solutions for RASA and HyperStar systems. Its extremely thin profile is critical for fitting within the tight back focus constraints of these fast, demanding optical designs.

    Can I use multiple Baader UFC 50mm Filter Sliders during an imaging session?

    Yes, that is the intended workflow. Most imagers purchase one slider for each filter they plan to use (e.g., L, R, G, B, Ha, Sii, Oiii). The filters are pre-installed in their respective sliders, allowing you to swap between them in the field in just a few seconds without ever touching the glass.

    Will this Baader UFC slider work with standard mounted 2" filters?

    No. This specific slider is designed only for 50mm round unmounted filters. Mounted 2" filters have M48 threads and a larger housing that will not fit. Baader makes other UFC sliders specifically for mounted 2" filters.

    How does the Baader UFC Filter Slider help when imaging faint targets like the Triangulum Galaxy (M33)?

    When imaging faint galaxies like M33, you need to capture data through multiple filters (Luminance, Red, Green, Blue, and often H-alpha). The Baader UFC Filter Slider allows you to quickly and reliably switch between these filters with minimal disturbance to the telescope. This ensures all your data channels are captured efficiently and remain parfocal, which is critical for producing a sharp, full-color final image.

  • Filter Compatibility 50mm to 50.5mm Round, Unmounted
    System Compatibility Baader Planetarium Universal Filter Changer (UFC)
    Net weight (kg) 0.07

    • Baader UFC Filter Slider for 50mm Round Filters

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  • Baader Planetarium Warranty