Filtro de bloque DayStar UV/IR 2" Especial para filtros DAYSTAR Quark y Combo QuarkQuantum
Daystar recommends this blocking filter for use with the QUARK and Combo Quark series H-alpha, Sodium, Magnesium and Calcium filters. These solar filters are designed for refractors. When used in refractors it is recommended and mandatory if the focal length is more than 480mm and the aperture is more than 80, this blocking filter must be used in addition to the QUARK solar filter. The filter can simply be screwed onto the filter thread of a 2" star diagonal, as shown in the figure. The blocking filter is marked in turquoise in the figure.