| Manufacturer | Spectrum Telescope |
|---|---|
| MPN | ST925G |
| Brand | Spectrum Telescope |
| Type | Filter |
Check the listing for details. Spectrum Telescope Glass Solar Filter: 9.31" Cell Inside Diameter # ST9312G. Condition: New. Listed at 187.95 USD. It is an ND 5 filter and therefore blocks 99.999% of the Sun's visible light. It is made from hand-selected glass that is of high quality and coated with a thoroughly inspected reflective coating. The filter slides over the front of the tube and is locked down in place with the included thumbscrew(s).
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