Baader Planetarium Clear Focusing 50x50mm Square Filter (3mm Thick, Optically Polished)

SKU: AA2458421 MFR: FC-SQ50
$136.00
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Key Features

  • Achieve pinpoint focus with this Baader Planetarium clear focusing filter, essential for astrophotography.
  • Optically polished 50x50mm square filter ensures maximum light transmission for brighter images.
  • This clear filter is 3mm thick and designed for precise alignment, enhancing image quality.
  • Ideal for fine-tuning focus during high-magnification planetary and lunar astrophotography sessions.
  • Use this Baader Planetarium filter to protect your valuable telescope optics from dust and moisture.
  • Enjoy clearer, sharper images with this filter, a must-have accessory for serious astronomy enthusiasts.
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Special Order?Estimated to Ship: 12/18/2025
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FAQ

What is the purpose of the clear focusing feature on this filter?

The clear focusing feature allows photographers to achieve precise focus before adding colored and specialty filters. This ensures sharp, distortion-free images every time.

What does it mean that the filter is optically polished?

Optically polished means that the filter has undergone a specific polishing process to eliminate surface imperfections and ensure maximum clarity. This process results in clear and sharp images without any distortion or reflection.

Can this filter be used with any camera lens?

The Baader Clear Focusing Filter's square and adjustable design makes it versatile and adaptable to a variety of camera lenses.

How does this filter alter the color and contrast of images?

The filter works by blocking certain wavelengths of light while allowing specific ones to pass through. This selective filtering alters the color and contrast of your images, giving you the creative control to capture stunning photographs.

Is this filter suitable for amateur photographers?

Yes, the Alpine Astronomical Baader Clear Focusing 50x50mm Square Filter is designed to be user-friendly and can be a valuable tool for both professional and amateur photographers.

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About Baader Planetarium Clear Focusing 50x50mm Square Filter

Because of its superior design and craftsmanship, the Alpine Astronomical Baader Clear Focusing 50x50mm Square Filter is an essential tool for photographers seeking to enhance their image quality. This 3mm thick, optically polished filter is expertly engineered by Baader Planetarium, a brand renowned for its high-quality optical products.

The filter's clear focusing feature allows photographers to achieve precise focus before introducing colored and specialty filters, ensuring sharp, distortion-free images every time. Its square shape and adjustable nature make it versatile and easy to use with a variety of camera lenses.

The Baader Clear Focusing Filter's optically polished surface guarantees exceptional optical clarity, blocking certain wavelengths of light while allowing specific ones to pass through. This alters the color and contrast of your images, providing you with the creative control to capture stunning, professional-grade photographs.

Whether you're a seasoned professional or an enthusiastic amateur, the Alpine Astronomical Baader Clear Focusing 50x50mm Square Filter is a valuable addition to your photography equipment, enhancing your ability to create visually striking images.

Baader Planetarium Clear Focusing 50x50mm Square Filter Features

  • Full Wavelength Throughput
  • Unmounted for Versatile Use
  • Parfocal with Baader LRGB Filters
  • Allows for Sharp Focus Before Imaging
  • Anti-Reflection Fully Coated

Warranty Information

This product has a limited warranty of 24 months for parts and 24 months for labor.

Key Features

  • Achieve pinpoint focus with this Baader Planetarium clear focusing filter, essential for astrophotography.
  • Optically polished 50x50mm square filter ensures maximum light transmission for brighter images.
  • This clear filter is 3mm thick and designed for precise alignment, enhancing image quality.
  • Ideal for fine-tuning focus during high-magnification planetary and lunar astrophotography sessions.
  • Use this Baader Planetarium filter to protect your valuable telescope optics from dust and moisture.
  • Enjoy clearer, sharper images with this filter, a must-have accessory for serious astronomy enthusiasts.

What's in the box:

  • Clear Focusing 50x50mm Square Filter
  • Limited 2-Year Manufacturer Warranty