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Antlia 5x Barlow Lens for 5Å CaK Solar Filter

Antlia 5x Barlow Lens for 5Å CaK Solar Filter

by Antlia
SKU ANT-BARLOW-CAK5A-5X
$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
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  • 5X Magnification: Increases image scale for imaging plage, light bridges and sunspots.
  • Dedicated Design: Designed specifically for the Antlia Solar Discover 5Å CaK assembly.
  • Flexible Integration: Can be ordered pre-installed with the CaK assembly or purchased separately.
  • Focus Management: Optional 50mm and 70mm extension tubes give extra back focus if needed.
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Antlia 5x Barlow Lens for 5Å CaK Solar Filter

    The Antlia 5x Barlow Lens is designed specifically for the Antlia Solar Discover 5Å CaK assembly. This dedicated 5X Barlow increases the effective focal length of your system, and Antlia says it enhances detail when used, optimizing performance for solar photography of features such as plage. For optical trains requiring additional spacing, optional 50mm and 70mm extension tubes give more back focus if needed and support the system in achieving co-focus.

    5X Magnification for High-Resolution CaK Imaging

    This Barlow is not a general-purpose accessory; it is an integrated component of the Antlia 5Å CaK imaging system. Increasing the image scale fivefold places small solar features, such as the bright areas of plage surrounding sunspots and light bridges, across more pixels of your camera at the 393.3nm Calcium-K wavelength.

    Achieving Focus with 50mm and 70mm Extension Tubes

    Adding a Barlow lens alters the focus point of an optical system. Antlia offers optional 50mm and 70mm extension tubes, ordered separately, to achieve more back focus if needed when using the 5Å CaK assembly with a Barlow lens, which supports the solar imaging system in achieving co-focus during shooting. The need for an extension tube depends entirely on your specific setup's available focuser travel.

  • Why do I need the Antlia 5x Barlow for the 5Å CaK filter?

    The Antlia 5x Barlow is designed to increase the image scale, allowing your camera sensor to resolve finer details on the sun's surface. At the native focal length of many telescopes, features like plage and light bridges can be too small to be captured clearly. The 5X magnification enlarges them, and Antlia says the Barlow enhances detail for solar photography.

    Can I use this Antlia 5x Barlow with other solar filters or for nighttime observing?

    Antlia designs this Barlow specifically for the Antlia Solar Discover 5Å CaK assembly and states no other use, so we do not recommend it with other solar filters or for nighttime observing.

    How do I know if I need the optional 50mm or 70mm extension tubes for the Antlia Barlow?

    You will need an extension tube if you cannot reach focus after installing the Antlia 5x Barlow. If you rack your focuser all the way out and the image is still not sharp, you need to add extension. The choice between the 50mm and 70mm tubes depends on how much additional back focus your specific telescope and camera combination requires.

    What solar details will the Antlia 5x Barlow help me capture on my refractor?

    With the Antlia 5x Barlow and the Solar Discover 5Å CaK assembly, you can image the features Antlia names for the assembly: bright plage, light bridges, sunspots and other features prominent in the CaK 393.3nm line. Without extra light reduction, Antlia limits the assembly to refractors up to 100mm aperture.

    Can I order the Antlia 5x Barlow Lens later if I already bought the CaK assembly?

    Yes. The Antlia 5x Barlow can be ordered separately at any time and added to your existing Antlia Solar Discover 5Å CaK assembly. It is also available as a pre-installed option when purchasing the CaK assembly new.

    Does adding the Antlia 5x Barlow require longer exposure times?

    Yes. Increasing magnification by 5X spreads the same amount of light over a much larger area, making the image dimmer. You will need to increase your exposure time or gain to compensate. This is a standard trade-off for achieving higher resolution in any form of astrophotography.

  • Magnification 5X
    Compatibility Designed specifically for the Antlia Solar Discover 5Å CaK assembly
    Purchasing Options Can be ordered separately or pre-installed in the Solar Discover 5Å CaK assembly
    Focusing Accessories Optional 50mm and 70mm extension tubes for extra back focus when used with a Barlow lens
    Available Magnifications 5X

    • Antlia 5x Barlow Lens

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  • Contact us for warranty details.