Weighing in at 14.3 lbs this 5.5 inch Vixen telescope is an incredible performer. Deep Sky objects are easily visible and Astro-Imagers looking for a fast instrument with clear aperture will be impressed with the NA140ï¾’s performance. The advanced 4-element objective lens, set in two groups, minimizes residual chromatic aberrations. With its unique Petzval like correcting lens at the rear, this Neo-Achromatic telescope is specifically designed to provide improved color and a flat field, ideal for astrophotography. Manufactured in Japan, comes complet with Vixen's new Dual Speed Focuser.