Kase 77mm Magnetic Star Focusing Tool with 77mm Adapter Ring

The Kase Magnetic Star Focusing Tool is designed to assist you in manually focusing on light sources at night, whether they be man-made or stars. A series of thin lines etched into the filter allows you to easily focus to a sharp point of light.

The filter attaches magnetically to the included adapter ring, and can be stacked with other Kase magnetic series filters.