10-380X100 Powerful Binoculars Long Range Telescope Zoom HD BAK4 High Magnificat
Prism material:Bak4. BAK4 prism, the image is clear and the picture is bright. Field of View. Water Resistance Level. Size：24 20 7.5cm. Model Number. FMC multilayer coating. The big eyepiece is more comfortable and not dizzy.