This eight-piece eyepiece and filter set expands the capabilities of the Celestron AstroMaster telescope and virtually any telescope fitted with a 1.25-inch focuser. The set includes two eyepieces, a 2x Barlow lens, three filters and a microfibre cloth, all housed in a padded hard-shell case. See also our other accessories for astronomical telescopes<\/a>.<\/p>\n A 15 mm Kellner eyepiece provides medium magnification on most telescopes, whilst a 6 mm Plossl eyepiece allows the Moon and planets to be seen clearly under good conditions. When a 2x Barlow lens is placed between the eyepiece and the telescope, the 15 mm eyepiece corresponds to a 7.5 mm eyepiece and the 6 mm eyepiece to a 3 mm eyepiece. The Barlow lens works on the same principle with other 1.25-inch eyepieces as well. However, the highest magnification does not always produce the sharpest image, particularly in poor weather, so it is worth experimenting to find the right combination.<\/p>\n The blue #80A filter enhances contrast in, for example, Jupiter\u2019s cloud bands and Saturn\u2019s polar ice caps. The deep red #25 filter is suitable for observing Mars\u2019s polar caps and Jupiter, and works best with bright objects when used with large-aperture telescopes. The Moon filter reduces the light reflected by the Moon, making surface features stand out more clearly; it also makes the phases of Venus more visible.<\/p>\nFour magnifications with two eyepieces<\/h4>\n
Filters for the planets and the Moon<\/h4>\n
Main features<\/h2>\n
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Technical specifications<\/h2>\n