This Seymour Solar filter is made with Helios Solar Glass, making it safe to photograph or view the sun when mounted on any optical device, including telescopes, viewfinders, spotting scopes, and cameras. It is rated ND5 which filters 99.999% of all light, including harmful UV light.
When used properly, a natural yellow-orange image of the sun is viewed through the filter. Depending on the size and strength of your optical device, you may be able to see sunspots, surface granulation, eclipses and planet transits. If you are not sure of the right size filter for your optical device please ask and we will be happy to help you.
Warning: Always make sure that the filter is securely attached to the sky end of your optical device.