Loupe 2.5x or 3.5 x with 420 mm distance magnification:2.5x, 3.5x*high resolution optics lens, image isclear*anti-glare, anti-fog, and scratch-resistance*eyesglasses lens can be made intothe inner eyeglasses frame*protective eyelgasses and innereyeglasses frame can bedisassembled. Magnification:2.5x, 3.5x*high resolution optics lens, image isclear*anti-glare, anti-fog, and scratch-resistance*eyesglasses lens can be made intothe inner eyeglasses frame*protective eyelgasses and innereyeglasses frame can bedisassembled. Magnification:2.5x, 3.5x*high resolution optics lens, image isclear*anti-glare, anti-fog, and scratch-resistance*eyesglasses lens can be made intothe inner eyeglasses frame*protective eyelgasses and innereyeglasses frame can bedisassembled. Magnification:2.5x, 3.5x*high resolution optics lens, image isclear*anti-glare, anti-fog, and scratch-resistance*eyesglasses lens can be made intothe inner eyeglasses frame*protective eyelgasses and innereyeglasses frame can bedisassembled.