This R200SS 200mm f/4 Reflector Telescope with SX2WL Mount from Vixen Optics has a chromatic, aberration-free, Newtonian reflector that can resolve and split distant binary stars and separate individual stars in clusters. Its large aperture and moderate focal length results in a fast f/4 focal ratio ideal for observing and imaging the moon, planets, and deep-sky objects including galaxies, clusters, and nebulae. The R200SS is offered here without a tripod or mount head for those who already have a reliable rig and are looking to upgrade or add to their observation capabilities.Optical PerformanceAperture: 200mm (8")f/4 focal ratio800mm focal lengthNewtonian reflector optical pathAntireflection multicoated optics for increased light transmission and overall image contrastResolution: 0.63 arcsec, RayleighRack-and-pinion focuser resists flexing or bending under heavy weights60mm and 42mm for T-ring mount threads for prime-focus astrophotography1.25" visual back for observations using the most common-sized eyepieces and accessoriesFinderscope7x magnification with wide field of view for alignment and star-hop navigationLarge 50mm apertureIlluminated crosshair reticle for properly centered objectsAdjustable intensitySX2WL MountSuccessor of the SX equatorial mount offering extremely comfortable automatic slewing via smartphone or tablet PC running the Vixen StarBook app. Accurate tracking by micro-step motion control technology and pulse motor offers very stable and smooth rotation. Can be used without counterweight if the load is small thanks to its unique DEC body design. A retractable counterweight bar design permits convenience for transport and set-up.SXG-HAL130 Aluminum TripodThe tripod's large, hex-shaped, two-piece legs adjust from 31.8" to 51.1" in length and 28.7" to 45.5" in height.