Helios Glass Telescope Solar Filter (5") by Seymour Solar
ND5-rated solar filter for telescopes lets you safely observe the sun’s surface and features. Includes a reflective-coated glass in an aluminum outer cell and secure mounting. Customers note solid quality and stable fit during use
Highlights
- ND5-rated solar safety
- premium glass with dual-sided coating
- secure mounting system
Pros
- ND5-rated 99.999% solar blocking
- high-quality glass with reflective coating
- secure mount with multiple screws
- suitable for photographing sun features
- compact aluminum outer cell
Cons
- fits specific tube diameters (4 5/8" to 4 7/8")
Best For
Features
- ND5-rated filter blocks 99.999% of sunlight for solar viewing
- Helios Solar Glass uses high-quality glass with reflective coating on both sides
- Aluminum outer cell provides durable, lightweight housing for the filter
- Clamp-on design secures to the telescope objective with nylon thumb screws and felt tabs
- Fits optical tube diameter range of 4 5/8" to 4 7/8" (118mm to 124mm)
