Helios Solar Glass® Binocular Filter

This pair of premium solar filters are safe for solar viewing when mounted on binoculars. They are rated ND5, which means that 99.999% of the sunlight is blocked. The apertures are made of a high quality, reflective coated, Helios Solar Glass®, and mounted into aluminum outer cells. The filters slip over the sky end of your binoculars. They are secured and centered to the binocular with nylon thumb screws and felt tabs. If you are not sure these are the right size filters for your binoculars please HERE, "How do I find the right size filter to order?"