Used in conjunction with opticals , it can relieve eye fatigue by blocking glarings and enhancing weak light, and improve attention to the targetings by eliminating the interferences of surrounding movement. Suitable for stereo Microscopes, wide angled Microscopes eyepiece, and for eyepiece of the Microscopes and and other lens, and more. Eyepiece reduce impacting, and better protects your eyes. comfort and relaxation with our eyepiece It provide a soft and comfortable fit without pressure on your eyes. To Help create the distance between eye and the reaches., Manufacturer: QUEENYARD