SVBONY 15mm super-wide angle 1.25" telescope eyepiece bring you an extraordinary experience. Great Fully Multi-Coated optics SV154 telescope eyepiece Optic Glass are also Fully Multi-Coated to eliminate chromatic aberrations and to keep the image crystal clear.Never worry about color fringing or chromatic aberration again. This SV137 Barlow lens will give all of your 1.25" telescope eyepieces a power-doubling magnification boost with amazing image quality; The SVBONY SV137 1.25" 2x Barlow Lens provides superior performance and sharpness and contrast.