YUKO 15X50 High Power Binoculars for Boating Bird Watching Waterproof

Resolution: 8.8. Exit pupil distance: 14.8. Field of view: 7. Structure: binoculars. Objective Lens Diameter: 50mm. Eyepiece diameter: 20mm. Magnification: 15X. Type: Binoculars. Water Resistance Level: IPX5. Prism Description: BAK4. Model Number: 15x50. Lens Coating Description: FMC. Focus Type: Central. 20MM real large eyepiece, compared with small eyepieces, the field of vision is larger and clearer without dark edges 50MM large-aperture apochromatic real objective lens, compared with small objective lens, the image is clearer, brighter and more transparent This telescope adopts the left and right eye refraction rings to adjust the clarity of the left and right eyes respectively under the condition that the left and right vision is different, so as to keep the eyes clear