Fishing Binocular Glasses Hands Free 8x Zoom Manual Focus HD Green Film Ergonomic Nose Rest with CPL Filters Fishing Telescope Glasses for Concert1FREE YOUR HANDS: These glasses have 8X magnification, after using them you can clearly see the dynamics of the float, avoiding the problem of not being able to see the target that leads to dislodging the hook. 2COMFORTABLE TO WEAR: With ergonomically designed nose rest and 85 large nose bridge design with soft rubber cushion, it is a pressure free experience and you won't get tired after wearing it all day. 3HD LENS: HD green film double layer optical lens can achieve no stray light and low astigmatism, which makes the telescope's imaging performance stronger and the picture clearer. 4TRIPLE COLOR CPL FILTER: Equipped with red, yellow and grey CPL filters. You can use different filters under different light to achieve different effects respectively, effectively resist water reflection and sunlight, and enhance brightness at night. 5ADJUSTABLE FOCAL LENGTH: You can manually adjust the zoom wheel to suit different people's needs. As long as the refractive error does not exceed 7 you can use the focus wheel to get a clear image, and it can be used by both nearsighted and farsighted people.