-40%
Helios Solar Filter Glass 5.5 "(140mm). Fits Optical Tube Dia 5 1/8" (131mm)
$ 39.6
- Description
- Size Guide
Description
Selling this very nice Seymour Solar Filter for telescopes. This premium solar filter is safe to photograph or view the sun when mounted on a telescope, view finder, spotting scope, etc. It is rated ND5 so 99.999% of the sunlight is blocked. The aperture is made of a high quality, reflective coated, Helios Solar Glass, and mounted into an aluminum outer cell. The filter slips over the sky end of your optical tube. It is secured and centered to the optical tube with thumb screw(s) and felt tabs. This filter fits telescope tubes from5 1/8" (131mm)to 5 3/8 "(136mm) in diameter. This solar filter allows safe viewing of the sun. The glass and aluminum cell are in outstanding condition! Brand new costs 1.95.