Are you still looking for a lightweight， practical and high-performance monocular? If so， you could just have a look at this Mystery 10X42 Waterproof Near Focus 20" Monocular. Adopting high-quality material， this monocular is waterproof and lightweight. It provides 10X 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. In short， this monocular will be your best choice. Just click it.                                    Features            Extremely durable and also comfortable10X 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 (real rate)    <br> Eyepiece     22mm    <br> Objective lens    42mm    <br> Length    14.8cm    <br> Coating     High-permeability membrane-Green    <br> Dimensions     19x7x7.2(cm)    <br> Weight     13.69 oz / 388 g     <br>                                                             Package Includes            1 x Llens Cleaning Cloth<br>1 x Wire Rope<br>1 x The Instructions<br>1 x Drying Agent<br>1 x Cloth(Tripod)<br>