More from Amazon.com : http://www.amazon.com/gp/product/B006YTQ7B2?tag=purrfectcatdi-20
Celestron Barlow Lens 3X 1.25in X-cel Lx
3-Element Apochromatic Lens - Superior sharpness and color correction
Fully Multi-Coated Optics - Increases contrast and minimizes internal reflections
Brass Compression Ring - Securely holds your eyepiece in place
