40.5mm Threaded Solar Filter
Spectrum Telescopes
$59.95
1 stores
Out of stock
This full-aperture threaded solar filter threads directly onto 40.5mm camera lenses to enable safe solar observation and photography. Featuring a premium ultrathin black polymer film with single-layer absorptive filtering, it is an ND 5 filter that blocks 99.999% of incoming sunlight, making it completely safe for direct solar viewing and imaging. The filter provides a natural yellowish-orange view of the Sun and is suitable for observing sunspots, planetary transits, and solar eclipses on all partial phases when used correctly.
Specifications
| Neutral Density Rating | ND 5 |
| Film Thickness | 0.002 in |
| Model Number | ST-40.5MM |
| Filter Thread Size | 40.5 |
| Light Transmission | 0.001% |
| Filter Type | Threaded Polymer Film |
| Filter Design | Single-layer with substrate-dispersed absorptive material |
| Filter Material | Black Plastic Polymer |
| Mount type | Full Aperture |