Similar in performance to the #12 medium yellow filter, but more pronounced effect. Its transmission is somewhat better suited to scopes in the 8” and larger aperture range, while the #12 filter’s transmission is better suited to 4” to 8” apertures.
Recommended applications for this filter:
Moon – Improves contrast between lunar features of varying brilliance in scopes 6" to 8" and larger, especially when combined with a polarizer or neutral density filter. Venus – Somewhat 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 – 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 – 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 – Useful for enhancing very subtle dusky features in scopes 10" and larger. Comets – Enhances the definition in comet tails.
We haven't recommended any accessories for this product quite yet... check back soon or call one of our experts (1-405-364-0858).
This product does not have supplied accessories... or supplied accessories have not been assigned.