Manufacturer part number: LF1015. Lumicon Color Filters are made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail. Clear aperture = 26.6mm (1.05"); Weight = 0.2oz.; Filters feature standard male and female 1.25" astronomy filter threads (M28.5x0.6) on either side and can be stacked; Total length of filter cell (including threads) = 10mm (0.39").
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