Best Seller Baader Bright Blue 470nm Bandpass Filter - 2" Round Mounted - Today Only [sAKuIe63]

Baader Bright Blue 470nm Bandpass Filter: A Premium Choice

Introducing the Baader Bright Blue 470nm Bandpass Filter, a cutting-edge astronomy filter designed to elevate your planetary observation experience. Unlike common "flame polished" color filters, Baader Planetarium's filters surpass the competition with their superior optical polish and 2mm thick glass. This ensures that the filter can be inserted anywhere in the optical path without introducing astigmatism or other defects. The Baader Bright Blue filter is perfect for enhancing the visibility of planetary details, especially during high magnification work, where light is the deciding factor for detail recognition. With its advanced design and high-quality materials, this filter is a must-have for any serious amateur astronomer.

Optical Excellence and Technical Specifications

The Baader Bright Blue 470nm Bandpass Filter boasts several key features that set it apart from other filters on the market. Firstly, its substrates are free of striae and polished to within 30 seconds of arc, eliminating any double images or ghosting due to wedge errors. The filter cell features the largest clear aperture available, ensuring complete freedom from vignetting at any focal length. The front "crown" incorporates milled notches for easy handling in the dark. All surfaces are treated with a 7-layer Multi-Coating, reducing residual reflections to just 0.25%. This not only provides a brighter image but also prevents the softening effect of scattered light, which can obscure delicate planetary details. The filter's spectral characteristics are carefully designed, allowing for stacking without image degradation or ghosting, and it maintains image sharpness even at high magnifications or when used far ahead of the focal plane.

Practical Applications and Target Audience

The Baader Bright Blue 470nm Bandpass Filter is an invaluable tool for amateur astronomers seeking to observe and study planetary details with unparalleled clarity. Its exceptional optical quality makes it suitable for use with binocular viewers, ensuring that the image is not degraded in any way. The filter's ability to isolate planetary details effectively, even with smaller telescopes, makes it a versatile choice for a wide range of observing conditions. Whether you are a hobbyist or a professional astronomer, the Baader Bright Blue filter is designed to meet your needs and enhance your observing experience. With its high transmission and advanced coating technology, this filter is a true game-changer for anyone passionate about planetary astronomy.