Double magnification: The 2x Barlow Lens simply increases the magnification of the eyepiece without significantly reducing optical quality; you can still use eyepieces with longer focal lengths for better pupil dilation and the image
4 Element Fully Multi-Coated: Premium fully variegated Telescope Barlow lenses in a four lens design are used for high-end quality planetary photos to ensure excellent correction and pin-sharp; high-contrast images without chromatic aberration
Aluminium Housing: The housing is machined from aluminium alloy with a high grip rubber armouring in the middle section which is not easy to fall off when in use; high-quality craftsmanship ensures the longevity of the lens and an excellent
2 inch Kellner wide field eyepices with comfortable viewing position; Kellner eyepieces are a further development of the classical Kellner design; they have a more comfortable viewing position and better off-axis definition
High-level craftmanship the lenses are multi-coated and have blackened edges and a blackened interior; offering the budget-conscious amateur stargazer an excellent alternative to more sophisticated and expensive eyepieces