Meade Series 6000 130mm ED Triplet APO Refractor Telescope The Meade 130mm Series 6000 ED Triplet APO Refractor OTA incorporates 3-element fully-multicoated apochromatic objective lenses. Designed with advanced FK61 extra-low dispersion glass. The Meade 130mm Series 6000 ED Triplet APO Refractor OTA comes with a 10:1 dual speed Crayford focuser and 8x50 Viewfinder. Package also includes 2" Series 5000 Enhanced 99% Reflectivity Slip-fit Diagonal, Aluminum Cradle Rings with Mounting Dovetail and Hard Case.