Meade Series 4000 4-Piece Filter Set #2 (1.25)

Make the most out of your astronomical observations and photography with a set of four color filters that enhance surface details increase contrast and highlight even the subtlest planetary features. Using the correct filter for example can mean the difference between seeing and not seeing small craterlets on the Moon or seeing six festoons on Jupiter versus two. Includes:#11 Yellow-Green Filter – 78% light transmission: Darkens the maria on Mars and clarifies Saturn's rings#25A Red Filter – 14% light transmission: Strongly blocks blue-green light resulting in more sharply defined contrast; best for telescopes with 8' aperture or larger#47 Violet Filter – 3% light transmission: Useful for the study of Martian polar caps and the Venusian atmosphere; best for telescopes with 8' aperture or larger#82A Light Blue Filter – 73% light transmission: Enhances areas of low contrast and makes a great piggyback filterMeade Series 4000 Filters measure 26mm in clear aperture and are manufactured from the purest crown optical glass dyed-in-the-mass . Each filter is anti-reflection coated on both sides and is mounted in a machined aluminum cell with the written number of the filter marked on the side of the cell. Filters may be piggybacked – or stacked – to achieve selective filtration of the visual color spectrum. For visual applications Series 4000 Filters thread into the barrels of all Meade 1.25' eyep