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Everyday Baader Semi-apo Filter - 1.25" Round Mounted Flash Sale: 40% Off [6BCL4WhK]

$31.99 $102.99 -69%

Everyday Baader Semi-apo Filter - 1.25" Round Mounted Flash Sale: 40% Off [6BCL4WhK] The Baader Planetarium Semi-APO Filter is a revolutionary addition to the astronomy community, offering an unparalleled viewing experience. Designed to enhance the performance of telescopes, this filter is

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Everyday Baader Semi-apo Filter - 1.25" Round Mounted Flash Sale: 40% Off [6BCL4WhK]

Everyday Baader Semi-apo Filter - 1.25" Round Mounted Flash Sale: 40% Off [6BCL4WhK]

The Baader Planetarium Semi-APO Filter is a revolutionary addition to the astronomy community, offering an unparalleled viewing experience. Designed to enhance the performance of telescopes, this filter is crafted with precision and excellence, delivering a neutral view with significantly reduced violet fringe. The combination of the Fringe Killer coating and the Moon & SkyGlow Neodymium substrate ensures a strong violet cut and exceptional value.

Product Specifications and Technical Details

The Baader Planetarium Semi-APO Filter boasts several standout features. Its high efficiency and neutral coloration make it nearly invisible during use, while effectively eliminating violet fringe. This filter is particularly beneficial for enhancing the image sharpness, contrast, and aesthetics, especially with small refractors. The RGB enhancement of the Neodymium substrate boosts color contrasts, making celestial bodies like Jupiter and Mars more vivid. Additionally, the filter is renowned for its durability, thanks to the plasma-assisted multi-layer dielectric coatings and Ion beam-hardening technology. This ensures the filter can withstand harsh conditions and cleaning without degradation.

Practical Uses and Target Audience Scenarios

The Baader Planetarium Semi-APO Filter is an essential tool for astronomers and telescope enthusiasts. Its exceptional performance makes it ideal for observing planets like Mars, Jupiter, and Saturn, where enhanced contrast and color detail are crucial. The filter's high transmission and fringe reduction make it perfect for both planetary and deep sky imaging, including high-resolution imaging with Webcams, DSLR, and CCD cameras. With its stackability and compatibility with a wide variety of eyepieces and accessories, the Semi-APO Filter is a versatile and cost-effective solution for anyone looking to improve their telescopic observations.

What Our Customers Say

February 7, 2026

Absolutely no complaints!

It's a very good and a very, very reliable tool.

- Tomos Z..

February 7, 2026

Absolutely no complaints!

This is a very solid, exceptionally and well-made item.

- Taryn T..

February 7, 2026

Absolutely no complaints!

The performance is truly and so very impressive.

- Lowri N..

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