This Mystery 10-25X42 Waterproof Zoom Near Focus 20" Monocular adopts high-quality material， which is waterproof and shockproof. It provides 10X to 25X magnification. It gives your bigger and clearer visual effect. Its objective lens diameter is about 42mm. Lightweight and portable monocular telescope always brings you much more convenience. Therefore， this zooming monocular is convenient to operate. It will enrich your outdoor activities perfectly. You will be fond of this high-performance monocular.                                    Features            Extremely durable and also comfortable10X to 25X zoom magnificationMini portable telescope in attractive designErgonomic design， easy to holdIf you are serious about your outdoor activities like trekking， concerts， bird watching， camping， fishing， travel and all extreme sports then this monocular telescope are for you                                                            Specifications             Magnification     10X-25X     <br> Eyepiece     22mm     <br> Objective lens     42mm     <br> Length     14.8cm     <br> Coating     High-permeability membrane-Green     <br> Dimensions     55x55x175mm     <br> Weight     413g     <br>                                                             Package Includes            1 x lens cleaning cloth<br>1 x wire rope<br>1 x the instructions<br>1 x drying agent<br>