Model NO.:S81602 Lens Type:Zoom Lens Lens:Acrylic Objective Aperture:30~50mm Focusing Type:Center Focusing Aperture:>200mm Experience Level:Beginner Objective Lens Focal Length:500mm Objective Lens Caliber:80mm Optical Coatings:Fully Coated Focal Length:900mm Eyepiece 1:Aspherical Eyepiece 23mm(21.7 Times) Eyepiece 2:Eyepiece Ma10mm(50 Times) Mobile Phone Photography Bracket:Yes Ceiling Mirror:90 Degree Anascope Lens Cone Material:Aluminum Alloy Optical Structure:Refractometer Coating:Fmc Antireflection Coating Finderscope:Red DOT Finderscope Transport Package:Gift Box Trademark:Celestron Origin:Made in China HS Code:90058090 Production Capacity:10000/Month