Filter, 1.25", Neutral Density, 25%

USD $14.00
1.25" Neutral density filter, 25% transmission. M28.4x0.6
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 ND25 transmits 25% and threads into all 1.25" accessories. NOT FOR SOLAR VIEWING.