Premium apochromatic Barlow lens with four lens design; simple to increase your eyepiece's magnification; no chromatic aberration
Take high-end quality planetary photos; multi-layer; multi-coating for high contrast
Very high-quality aluminium housing with rubber armoured grip; sharp; brilliant image; compression ring to protect your eyepieces
ED Element High-contrast Optics: The first time you observe an object through one of these eyepieces; you will almost certainly be struck by the brilliance clarity and depth of colour in the image
Long Eye Relief Comfortable Observing: The very generous 20 mm of eye relief means your observing is always completely comfortable for all the focal lengths available in this eyepiece series