Precision 2.5x Magnification Boost: This 2.5x deluxe barlow lens delivers authentic 2.5x magnification without compromising edge-to-edge sharpness; perfect for capturing planet or lunar rille details at extended focal lengths
Professional-Grade Multi-Coating System: Feature fully multi-coated apochromatic lens system with 4 elements design; effectively minimize chromatic aberration and ensure clear and sharp imaging performance; perfect for high-contrast planetary
Engineered with Mutiple-Layer Material: Constructed from anodized aluminum provide using cycle and lightweight portability; Integrated with premium optical glass significantly enhance chromatic aberration correction and deliver exceptionally
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