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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 Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow
Baader Hyperion Zoom 2.25X Barlow

Baader Hyperion Zoom 2.25X Barlow

by Baader Planetarium
SKU BAA-2956180
$194.00 - $194.00
$194.00
$194.00 - $194.00
$194.00
Price Match Policy!
  • 2.25x Primary Magnification Factor
  • Modular Design with 1.3x Low-Power Configuration
  • Integrated T-2 Thread for Direct Camera Connection
  • Variable 2.3x to 2.7x Magnification for Imaging
  • Attaches via Standard 1.25" Eyepiece Filter Threads
1 in stock
Qualifies for FREE Shipping in CONUS on orders over $350.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Baader Hyperion Zoom 2.25X Barlow

    The Baader Hyperion Zoom 2.25X Barlow delivers a primary 2.25x magnification factor, specifically designed to complement the Hyperion Zoom eyepiece but compatible with nearly any 1.25" eyepiece. Its modular design allows the optical element to be unthreaded for a gentle 1.3x magnification boost, or attached directly to a camera via the T-2 adapter for factors ranging from 2.3x to 2.7x depending on the working distance.

    A 2.25x Barlow Optimized for the Hyperion Zoom Eyepiece

    In its standard configuration, this accessory functions as a high-quality 2.25x Barlow lens. It inserts into a 1.25" focuser or diagonal and accepts a 1.25" eyepiece, instantly multiplying its magnification. While it is optically matched to the Baader Hyperion Zoom, its excellent optical quality enhances the view through any standard eyepiece, increasing power for detailed views of planetary surfaces and tight double stars.

    Modular Design: From 1.3x to 2.7x Magnification

    The Hyperion Zoom Barlow's versatility comes from its multi-part construction. You can unscrew the 13 mm long optical element from the Barlow body and thread it directly into any eyepiece or accessory that has a standard 1.25" filter thread. This configuration provides a lower, approximate 1.3x magnification factor, perfect for a slight power increase without significantly dimming the image.

    • Standard Barlow Mode: Provides a fixed 2.25x magnification for visual use.
    • Low-Power Mode: The lens element alone threads into an eyepiece for an approximate 1.3x boost.
    • Imaging Mode: Using the included T-2 adapter, magnification varies from ~2.3x to ~2.7x based on camera distance.

    T-2 Threading for Planetary Cameras at 25mm to 55mm

    For astrophotographers, the Hyperion Zoom Barlow includes a T-2 adapter, allowing a direct, secure connection to planetary cameras and DSLRs. This setup is ideal for adapting a modern, small-pixel camera to a long focal length telescope to achieve optimal image scale. The final magnification is dependent on the distance from the Barlow lens to the sensor, providing ~2.3x at a 25mm working distance and ~2.7x at a 55mm distance, giving you fine control over your imaging train.

    Hyperion Zoom Barlow vs. Baader's Zeiss & FFC Barlows

    Baader offers several world-class Barlow lenses, each serving a different purpose. The Hyperion Zoom Barlow is the versatile, high-value option for visual observers and planetary imagers who need flexibility in the lower magnification range.

    • vs. Baader Zeiss Abbe Barlow: The Zeiss Barlow is a legendary performer in the 2x to 3x range, known for its ultimate sharpness. The Hyperion Zoom Barlow offers greater modularity and multiple magnification factors at a more accessible price point.
    • vs. Baader FFC (Fluorite Flatfield Converter): The FFC is an uncompromising, professional-grade system for extreme magnifications and large-format sensors. The Hyperion Zoom Barlow is the superior choice when a smaller image circle is sufficient and more moderate magnification is desired.

  • What is the primary purpose of the Baader Hyperion Zoom 2.25X Barlow?

    Its main purpose is to act as a high-quality 2.25x Barlow lens, specifically matched to the optical design of the Baader Hyperion Mark IV Zoom eyepiece. However, its modularity makes it a versatile magnification tool for a wide range of eyepieces and cameras.

    How do I achieve the 1.3x magnification with the Hyperion Zoom Barlow?

    To get the approximate 1.3x magnification, you unscrew the lower black optical cell (the lens element) from the silver Barlow tube. You can then thread this cell directly into the 1.25" filter threads on the barrel of most eyepieces or camera nosepieces.

    Can I use the Baader Hyperion Zoom 2.25X Barlow with a camera?

    Yes. The Barlow includes a T-2 adapter for a secure, threaded connection to most planetary cameras or a DSLR with the appropriate T-ring. This method provides a variable magnification of approximately 2.3x to 2.7x, depending on the spacing to the camera sensor.

    Will the Hyperion Zoom Barlow work with eyepieces other than the Baader Hyperion Zoom?

    Absolutely. While it is optically optimized for the Hyperion Zoom, it functions as an excellent, high-quality Barlow lens with virtually any standard 1.25" eyepiece from any manufacturer.

    How would the Hyperion Zoom Barlow help image Saturn with my 8" SCT?

    An 8" SCT has a long focal length, but modern planetary cameras have very small pixels. To avoid undersampling and capture fine detail in Saturn's rings, you need more magnification. Using the Hyperion Zoom Barlow with its T-2 adapter increases the telescope's effective focal length by about 2.5x, enlarging the planet on the sensor and better matching the telescope's resolution to your camera's pixel size.

    My telescope has a long focal length. Is the 1.3x mode on the Hyperion Zoom Barlow useful?

    Yes, the 1.3x configuration is perfect for when you need just a small increase in power. On a long focal length scope aimed at a globular cluster like M13 (Hercules Cluster), the 2.25x factor might make the view too dim or too narrow. The 1.3x mode provides a gentle boost to better resolve stars in the core without sacrificing as much brightness or field of view.

  • Net weight (kg) 0.10
    Magnification (x) 2.25
    AR-Coating Phantom Coating® Group
    Barrel Size (in) 1¼"
    Optical Design Barlow
    Speciality Barlow lens
    Inner Connection (eyepiece/-camera-sided) M28.5
    Outer Connection (eyepiece/-camera-sided) M28.5, M42 x 0.75 (T-2)
    Inner Connection (lens sided) M28.5
    Outer Connection (lens sided) ø 1¼" (31.75 mm)
  • Baader Planetarium Warranty