The Lippershey binoculars are the optimal choice for you with a 50 x 10 lens. 10x magnification and a 50mm wide lens. You can see a wide field with the ability to adjust the diopter for each eye. It also has rubber eye cups that open and close according to your eyes. Waterproof, can be used in all weather conditions, even in heavy rainstorms or high humidity conditions. Therefore, it can provide you with all the necessary tools for your upcoming outdoor activities. Binoculars with compass: With the built-in compass and reticle, you can easily calculate the target distance or target height. Features: Magnification: 10x Objective Lenses: 50mm Field Angle: 7 Exit Pupil: 7.2mm Eye Relief: 21mm Field of View: 396 ft at 1000 yds / 132m at 1000 Lens Coating: Fully Multicoated Body: Rubber Built-in Compass: Yes Eyecups: Fold-down Waterproof/Fogproof: Yes Made with Dry Nitrogen and Fully Sealed: Yes Dimensions: 7.88*8.5*5.9 inches (L x W x H) Weight: 2.2 lbs