between seeing and not seeing small craterlets on the Moon or seeing six festoons on Jupiter versus two. Includes:#12 Yellow Filter – 74% light transmission: Enhances red-orange features on Jupiter, Saturn and Mars#23A Light Red Filter – 25% light transmission: Enhances detail of the polar regions and cloud belts of Jupiter and Saturn#58 Green Filter – 24% light transmission: Strongly increases contrast of Mars' polar ice caps and Venus' atmospheric phenomena#80A Blue Filter – 30% light transmission: Brings out detail in Saturn's belts and Jupiter's Red SpotMeade Series 4000 Filters measure 26mm in clear aperture and are manufactured from the purest crown optical glass, dyed-in-the-mass (not "color coated"). Each fi...  (less)