Antares Variable Cross-Polarizing Filters (FXP/2FXP)

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Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhancing lunar-planetary observing. Can be used stacked with colour filters. Th e 2" FXP varies transmission from 1%-40% and threads into 1.25" accessories. The 2" FXP varies transmission from 3%-40% and threads into a 2" accessories. NOT FOR SOLAR VIEWING Show more