Lumicon Color Filters are made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail. Individually precision ground, highly polished with maximum light transmission coatings on both sides, these filters are 100% guaranteed for life.
Clear aperture = 43.75mm (1.72"); Weight = 0.5oz.; Filters feature standard male and female 2" astronomy filter threads (M48x0.75) on either side and can be stacked; Total length of filter cell (including threads) = 10mm (0.39")
#80A Blue Filter Applications:
- Moon: Feature Contrast
- Jupiter: Belts; Rilles; Festoons; Great Red Spot
- Saturn: Belts; Polar Regions
Manufacturer part number: LF2070
Agena Informational Article: Choosing a Color / Planetary Filter