Adjustable Focal Length, You Can Rotate The Arrows Lens According To The Object Or Need. Easy To Use, Comes With Very Convenient Strap, Comes With Cleaning Cloth, Easy To Carry, Keep Lens Clean Ideal For Traveling, Hiking, Camping, Bird Watching, Etc. &Features: Colour: Black Material: Optical Lens/Rubber Focusing Type: Rotating Object Lens &magnification: 30x Object Çdiameter: 52mm Arrows Çdiameter: 17mm Çexit Student Çdiameter: 2mm ÇExit &Student Distance: 20mm Viewing Area: 40 M/1000 M Package Size: 6.4x6.4x17 Cm/2.5x2.5x6.7 "
