Cyber Week Deal Baader Green 500nm Bandpass Filter - 2" Round Mounted Apparel [tvSUZF4s]

Cyber Week Deal Baader Green 500nm Bandpass Filter - 2" Round Mounted Apparel [tvSUZF4s]

Discover the unparalleled quality of the Baader Green 500nm Bandpass Filter, designed for astronomers seeking exceptional performance. This filter outshines common "flame polished" filters with its fine optical polish and 2mm thick glass, ensuring a seamless integration into your optical path without introducing astigmatism or other defects. The Baader Planetarium filters are crafted to provide the best possible viewing experience, making them a top choice for serious observers.

Superior Product Properties and Specifications

The Baader Green 500nm Bandpass Filter boasts a unique combination of features. Its substrates are free of striae and polished to within 30 seconds of arc, eliminating double images or ghosting. The filter cell features the largest clear aperture available, ensuring a complete absence of vignetting at any focal length. The front "crown" incorporates milled notches for easy handling in the dark. With a 7-layer Multi-Coating, the filter offers 0.25% residual reflection, resulting in a filter that is free of false reflections under any incident angle of light. This filter is a testament to Baader's commitment to quality and innovation.

Practical Uses and Benefits

The Baader Green 500nm Bandpass Filter is perfect for high magnification planetary observation, where light is the key to recognizing the subtlest details. Its 70% efficiency ensures maximum contrast and isolation of planetary details, even with smaller telescopes. The filter can be stacked without image degradation or ghosting, allowing for even narrower passbands. Its 2" size is ideal for binoviewing, requiring only one filter for optimal performance. Whether you're a professional astronomer or an amateur enthusiast, this filter is a valuable addition to your observing equipment.