Max (Celestron 7-21mm)Eyepiece Zoom Continuous Variable Folding Fully Multi-Coated for 1.25'' 31.7mm Astronomical Telescope (Celestron 7-21mm) Refracting Telescope  (Manual Tracking)

We ship from overseas countries, and the estimated delivery time is 14 to 20 days. If cannot catch the time, please do not purchase. Please refer to the first image; we will ship according to the contents of the first image. Brand: CelestronFocal length: 8-24mm/7-21mmDimensions: 1.25 / 31.7mm, astronomical telescope for all 1.25 portsCoating: Optical lens, FMC full green film, high definition.OverviewMulti-purpose eyepiece, 1.25-inch eyepiece telescope for all astronomical telescopes (31.7mm interface) for viewing landscapes and astronomical observations of lunar surfaces, planets, nebulae, clusters, diffuse nebulae, etc., high brightness, large view Field, observation is very comfortable; metal body, full-surface multi-layer coating, high-quality optical performance.A variable eyepiece is equivalent to multiple eyepieces, magnified to any focal length between 8 mm and 24 mm from high to low, short to telephoto, easy to adjust multiples, very practical eyepieces.