Grey Filter ND 3,0 (1000x) 0,1% 2''
This filter will be used in a Herschel Wedge, to reduce the transmitted light to a usable amount. Additional you need a second grey filter or polar filter or Solar Continuum filter.
filters are simply screwed into the 2" filter thread of the eyepiece
or camera adaption. The filter is also available in 1.25".
smaller the percentage of light transmission, the stronger the filter
is. For example a 0,1% filter will allow 1/1000 of the light to pass
through, while the rest will be blocked.
- Grey Filter ND3.0 2"
- Plastic Box
Very strong 2"Grey Filter for the use in a Herschel Wedge.