Meade eyepiece filter sets

More Information Price $49.95 List Price $99.00 Warranty 1 year

#11 Yellow-Green
Recommended applications for this filter:
Moon – Improves contrast between lunar features of varying brilliance in scopes under 5", especially when combined with a polarizer or neutral density filter. Venus – Occasionally helpful in revealing low-contrast banding in the thick Venusian cloud cover. Mars – Increases the contrast of polar caps, frost areas, low clouds, and dust storms against the ochre deserts. Also sharpens the boundaries of yellow dust clouds. Jupiter – Somewhat useful for darkening atmospheric currents containing low-hue blue tones and enhancing detail in small orange-red zonal features in the belts. Useful for studies of the polar regions. Saturn – Somewhat useful for darkening atmospheric currents containing low-hue blue tones and enhancing detail in orange-red zonal features in the belts. Improves the visibility of Cassini’s Division in the rings. Neptune and Uranus – Somewhat useful for enhancing very subtle dusky features in scopes 10" and larger. Comets – Brings out highlights in yellowish comet dust tails and improves the contrast of comet heads.
78% transmission

#25A Red
Recommended applications for this filter:
Moon – Somewhat useful for improving contrast between lunar features in scopes 8" and larger. Mercury – Improves observations at twilight, when the planet is near the horizon. Reduces brightness of terrestrial sky to enhance daylight observing. Venus – Reduces brightness of terrestrial sky in daylight observing, allowing occasional terminator deformations to be seen. Mars – Useful for Increasing the contrast and definition of polar caps, frost areas, and maria against the ochre deserts with scopes 8" and larger, particularly when Mars is close to Earth’s horizon, as the red light it passes is the least refracted by air currents in our atmosphere. Jupiter – Very useful in defining blue-tinted cloud formations against lighter-toned atmospheric features. Saturn – Very useful in defining blue-tinted cloud formations and polar regions against the lighter-toned planetary disc. Comets – Enhances the definition of comet dust tails in 10" and larger scopes.
14% transmission

#47 Violet
Recommended applications for this filter:
Mercury – May improve observations of rarely visible faint surface features with scopes 8" and larger. Venus – Increases contrast of occasional faint dark shadings in the upper cloud deck. Mars – Useful for detecting high clouds and haze over the polar caps with 8" or larger scopes, particularly during the still-unexplained phenomenon of violet clearing (when the Martian atmosphere – normally a bright, featureless disc in violet light due to the scattering of short wavelengths of light by the thin atmosphere – becomes transparent through a violet or blue filter, revealing large dark surface features). Jupiter – Primarily used for enhancing the boundaries between the reddish belts and adjacent bright zones in the upper atmosphere . Helpful in defining the Great Red Spot and festoons in the belts with scopes 8" and larger. Saturn – Good for enhancing the ring structure with 8" or larger scopes. Comets – Useful for observing brighter comets with scopes 8" and larger.
3% transmission

#82A Light Blue
Recommended applications for this filter:
Moon – Very useful as a contrast-enhancing lunar filter under dark sky conditions with scopes 5" and smaller. Also very useful with scopes 6" and larger when combined with a polarizing or neutral density filter. Mercury – May improve observations of rarely visible dusky surface features at twilight, when the planet is near the horizon. Venus – Increases contrast of occasional faint dark shadings in upper Venusian clouds. Mars – Useful for enhancing the visibility of surface features and localized dust storms, clouds, and ice fogs with 5" and smaller scopes, particularly during the still-unexplained phenomenon of violet clearing (when the Martian atmosphere – normally a bright, featureless disc in violet light due to the scattering of short wavelengths of light by the thin atmosphere – becomes transparent through a violet or blue filter, revealing large dark surface features). Jupiter – Primarily used for enhancing the boundaries between the reddish belts and adjacent bright zones in the upper atmosphere with 5" and smaller scopes. Helpful in defining the Great Red Spot (which is more like a Faint Pink Spot at the present). Saturn – Brings out some low-contrast details in the belts, zones, and polar regions of the planetary disc with smaller scopes. Comets – Brings out the best highlights in comet gas tails in scopes 5" and smaller.
73% transmission