Safe Foldable Solar Lens Filter for Cameras. Passses ISO 12312-2 Transmission standards. Use to safely photograph Total Solar Eclipse on April 8, 2024 or anytime! Our Universal Lens Filter 50mm offers an affordable solution for viewing or imaging the sun safely. This Universal Lens Filter folds up into cup to cover front of camera lenses and scopes allows you to safely view and/or image the sun, which appears with a crisp, clear, beautiful orange tint. You will also be able to see large sunspots when they appear on the sun. Made by AAS "Reputable Vendors of Solar Filters" Thousand Oaks Film. Film is ND 5 (99.999% rejection) and meets the transmission requirements of ISO 12312-2:2015 filters for direct observation of the Sun. Daystar Filters is a NASA approved world leader in solar filter manufacturing for 50 years! Enjoy superior solar viewing protection with peace of mind. THIS PRODUCT USES THOUSAND OAKS DENSITY 5 SOLAR FILM AND IS MANUFACTURED AND PACKAGED FOR USE AS A CAMERA, LENS, TELESCOPE OR BINOCULAR ACCESSORY AND IS NOT FOR USE AS EYEWEAR. Constructed of double layer heavy card stock. Inside/back of filter is black to reduce unwanted internal reflections For Binoculars, Cameras, Spotting scopes and small telescopes. Safe DIY solar filter uses ISO: 12312-2 approved SOLARLITE Film. 90mm aperture, fits over outside diameters of 90-109mm. Available in 3 sizes. ULF-50 ULF-70 ULF-90