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SolarLite Filter for Telescope, fits ETX90, C-90, Questar 3.5, Wm. Optics ZS80II ED, Orion OBS. 70 & Astroview 90, Orion Explorer 90
SOLARLITE Filters NEW (Best Value) After years of R & D we have developed a new solar film that has the optical quality of the glass with the advantages of impregnated polymer (Thousand Oaks Optical Black Polymer). Will never develop pin holes or scratches that can let in light and ruin a filter. Other advantages Light weight and does not require re-balancing tube assembly, will not break, consistent yellow-orange solar image, even density with any aperture, flat surface compared to other thin film filters that have wrinkles and creases. Will

Price is $69.00
Price: $69