Tele Vue Bandmate OIII 2" Filter (Pre-owned) SN 11554

This filter is in great condition. It stands out for its exceptional ability to enhance the observation of nebulae, making it a favorite among amateur and professional astronomers alike. Its design focuses on filtering specific wavelengths of light emitted by oxygen atoms in nebulae, particularly the doubly ionized oxygen (OIII) lines at 496 and 501 nanometers. By effectively blocking out other wavelengths of light, such as artificial and atmospheric emissions, the filter significantly boosts contrast and reveals intricate details within nebulous structures that might otherwise be obscured. This enhancement is particularly noticeable in urban or light-polluted areas where skyglow can diminish visibility. The filter's high-quality optical coatings ensure minimal light loss and maximum transmission of the OIII lines, allowing observers to enjoy clearer and more immersive views of planetary and diffuse nebulae. Whether used with telescopes or telephoto lenses, the Tele Vue Bandmate OIII 2" filter consistently delivers exceptional performance, making it an indispensable tool for enthusiasts seeking to explore the depths of the cosmos with clarity and precision. There are many reasons to choose this filter, including: 

Enhanced Nebula Observation: The Tele Vue Bandmate OIII filter is specifically designed to isolate the doubly ionized oxygen (OIII) wavelengths emitted by nebulae. This selective filtering enhances contrast and brings out details that are otherwise difficult to discern, making it invaluable for observing planetary nebulae, supernova remnants, and other diffuse nebulous structures.

Improved Contrast in Light-Polluted Areas: In urban or light-polluted locations where skyglow can overwhelm celestial objects, the Bandmate OIII filter excels by blocking out unwanted light frequencies. This significantly enhances visibility and allows you to see fainter details within nebulae that would otherwise be obscured.

High-Quality Optics: Tele Vue is renowned for its commitment to optical excellence. The Bandmate OIII filter features high-quality coatings that ensure minimal light loss and maximum transmission of the OIII wavelengths. This translates to sharp, clear views without introducing optical artifacts or distortions.

Versatility: Whether you're using a telescope or a telephoto lens for astrophotography, the Bandmate OIII filter is compatible and effective. It's designed for 2" eyepieces, which are standard in many telescopes, making it versatile and suitable for a wide range of observing setups.

Trusted Brand: Tele Vue filters are trusted by amateur astronomers and professionals alike for their reliability and performance. The Bandmate OIII filter continues this tradition by delivering consistent results and enhancing your overall observing experience.

Long-Term Investment: Investing in a high-quality filter like the Bandmate OIII ensures that you'll have a durable and effective tool for years to come. It's a worthwhile addition to your astronomy kit, providing ongoing benefits as you explore the wonders of the night sky.