Feature

●Dimming dazzling moonlight for easy viewing <BR>Mounting eyepiece diameter is 1.25 inches (31.7 mm) (1.25 inch) and can be installed with American size eyepiece diameters
●Effective Diameter: 0.7 inches (19 mm)
●Effective Diameter: 0.7 inches (19 mm) <BR>Uses a ND filter that is balanced to dim light [Neutral Density equivalent to ND4]
●Screw into the tip of the 31.7mm diameter eyepiece or zenchi mirror


Description

Dimming dazzling moonlight for easy viewing
Mounting eyepiece diameter is 1.25 inches (31.7 mm) (1.25 inch) and can be installed with American size eyepiece diameters.
Effective Diameter: 0.7 inches (19 mm)
Uses a ND filter that is balanced to dim light [Neutral Density equivalent to ND4]