Seymour Solar SF350 GlassSize: 3.5"...
Seymour Solar SF350 Glass
Size: 3.5" (90mm)
Category: Glass Solar Filters
It is safe to view the sun through this filter directly or mounted on a telescope, finder, spotting scope, etc. 99.999% of the sunlight is blocked. The aperture is made of a high quality, reflective coated glass and mounted into an aluminum outer cell. The filter is secured to the optical device with a nylon thumb screw. A natural yellow-orange image of the sun is viewed through the filter. It is packaged in a foam lined storage box, and included are instructions for use and care.