Filter, 2", Neutral Density, 25%

USD $20.00
2" Neutral density filter, 25% transmission. M48x0.6
Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhancing lunar-planetary observing. Can be used stacked with color filters. The 2ND25 transmits 25% and threads into all 2" accessories. NOT FOR SOLAR VIEWING.