Solarlite Solar Film Filter 4.00" / 5.25"

The Thousand Oaks Solarlite Solar Film Filter 4.00"/5.25" is a full-aperture solar filter designed for safe solar observation of sunspots, solar granulation, and solar eclipses. Featuring proprietary SolarLite polymer film technology, this filter combines optical clarity comparable to glass with superior durability and puncture resistance, delivering a consistent yellow-orange solar image with excellent contrast. The lightweight design requires no telescope rebalancing, includes felt lining for secure attachment, and is backed by a 15-year warranty against pinholes, scratches, and tears.