Product Description Features: * This 16X52 Dual Focus Monocular Telescope can help you get the clearer view of distant place * Adjustable focus length, you can rotate object or ocular lens according to your need. * Made of optical glass, has good permeability * With lens plated green film which is more bright and can reduce the harm to our eyes * Comes with a phone holder, you can fix the telescope on your smart phone for taking more clear photos * Easy to operate, very convenient. * Supplied with strap, easy to carry. * Supplied with cleaning cloth, keep lens clean. * Ideal for traveling, hiking, camping, bird-watching, etc. Specifications: * Material: Optical lens/rubber * Focusing type: Rotating the object Lens * Lens Type: BAK4 * Magnification: 16X * Object diameter: 40mm * Ocular diameter: 17mm * Exit pupil diameter: 2mm * Distance of exit pupil: 20mm * Field of view: 66m/8000m. * Dimensions: 145*52 mm/5.71*2.05 inch(approx) * Product weight: 280 g(approx) * Color: Black(as pictures show) Warm Tips: 1. Don't clean the inner parts of the monocular or dissemble the monocular without guidance of expert. 2. Never look at the sun directly with this product. Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness