Linsenfernrohr

refracting Astronomical telescope are good quality with best price Model 4Non ED refractors 4"/102mm (Ekcentrik-W Ekinox A102 7) Objective Lens102mm aperture 700mm focal length, f/7, air-spaced, hand-figured and star tested achromatic lens. Broadband multi-coating on every surface.Tube:The tube is all aluminum,baffled and precision machined optical tube assemblyLens CellStability treated precesion machined. Provides better and stable alignmentMounting SystemAluminum made deluxe dual mounting rings with vixen style plateFocuser2" single speed crayford focuser, with rotation collar.FinderRed Dot Finder with 30mm clear window and adjustable brightness controlDimensions4.17"diameter main tube,5" diameter dew sheild OTA length from26"-33", weight 6kgsNylon caseHeavy duty padded Nylon caseDiagonal2"Aluminum made diagonal with 97% reflectivety dielectric coating, at least 1/8 wave mirror with brass compression rings on 2" and 1.25" adaptorEyepieces1.25" KF 25mm and Plössl 10mmPackaging Size720x120x220mmShipping weight9.5kgsResolution(Dawes Limit)1.14"Limiting Magnitude12.04Max Magnification238x when the air is steadyLightgathering power(vs naked eye)212Overall Package Size1.39M3/20PCSMount typeAll metal wedge typequantity20pcs