2" Full Aperture Glass Solar Filter 41-48mm

The Spectrum Telescopes 2" Full Aperture Glass Solar Filter is a premium optical filter designed for safe solar viewing and imaging through small refractors, spotting scopes, finder scopes, and binoculars. Constructed from hand-selected, high-quality glass with reflective coatings, this ND 5 filter blocks 99.999% of the Sun's visible light while allowing maximum safe illumination to reach the observer. The filter presents the Sun in a natural yellowish-orange color and is mounted in a centered aluminum cell with felt padding for secure attachment via nylon thumb screws, making it ideal for detailed daytime solar observation with minimal atmospheric instability.