Vixen Daystar ULF-90 Universal Solar Lens Filter, 80-90mm

Listed on AAS/NASA list of reputable sellers: https://eclipse.aas.org/resources/solar-filters Due to administrative dispute with Amazon, other SKU numbers are no longer offered on Amazon and can be found at icstars.com or other camera stores. Clear aperture of 90mm film. Assembled unit fits over lenses from 90mm to 109mm. Once assembled, folded tabs can flex inward to grip the lens slightly thus preventing it from falling off - yet still be easy to install and remove properly.