QWAXTRIW QWAXTRIW12X42 Bird Watching Binoculars High Power HD Telescope BK4 Roof Prism Optical Lenses Super Clear for Travel & Camping

Rotating and sliding rubber eyecups-Rotating and sliding rubber eyecups allow users to adjust the eye relief to achieve a custom fit, thereby providing a complete field of view and maximum comfort during prolonged use. The optical lens is designed for a brighter field of view. With the coated BAK-4 roof prism, this binoculars can provide high-resolution images with extremely accurate color reproduction. Designed to adapt to any environment, with a rubber armor coating, it can withstand extreme use and provide non-slip grip even in the wettest conditions. Ergonomically lightweight body design allows binoculars to be used for a long time. The central focus knob is intuitive to operate and very user-friendly. The multi-layer coating can provide higher light transmittance in the entire visible spectrum. The multi-layer coating can be applied to all transparent lens and prism surfaces. This can minimize the light loss caused by reflection, thereby ensuring a more natural and clearer view.