Svbony SA205 Binoculars for Adults, 10×42 ED Flat field correction Bak4 FMC High Power IP67 Waterproof, Equipped with Neck Strap Refractive Adjustment, Large Eyepiece, for Bird Watching Hunting Hiking

• Flat field correction; this design solves the problems of edge blur; distortion; field curvature; and chromatic aberration; bringing a more comfortable birding experience
• ED glass; the binoculars greatly eliminates chromatic aberration; highly restores real scenery; and makes the picture sharp and clear
• FMC coating; improve light transmittance; reduce light loss; allowing you to obtain clearer and brighter images and provide a better observation experience
• IP67 waterproof; the binoculars can also be used in bad weather; increasing the durability of the binoculars and extending its service life
• Diopter adjustment; adjust visual balance for easier observation and convenient for people with myopia or presbyopia to see the effect directly without wearing glasses
• Large eyepieces; strong light gathering ability; providing more realistic colors; a wider area of the sky can be seen simultaneously
• Large anti-slip focusing wheel; smooth focusing handwheel ensures accurate and stable focusing with one hand; fast focus and easy to operate