Soft Rubber Eyepiece Eye for Binoculars & Microscopes, Non-Pressure Eyes Guard Cup, 28mm-37mm Diameter Eyepiece Cover for Stereo Microscope, & Optical Lenses

["Enhanced Viewing Comfort: relaxation with our soft rubber eyepiece cover Designed to provide a comfortable fit without putting pressure on your eyes, it allows for extended viewing during laboratory work or outdoor observation","Glare Reduction & Focus Improvement: When used with optical lenses, this eye effectively blocks glare and enhances weak light By eliminating interference from surrounding movements, it helps you improve attention to your targets for high-precision observation","Superior Eye & Lens Protection: This eyepiece guard acts as a buffer to reduce, offering better protection for your eyes against accidental bumps It also serves as a protective cover to keep your microscope or binocular lenses safe and scratches","Eye Relief Distance: Our rubber eye cup helps create the perfect distance between the eye and the lens, ensuring a clear field of view It is an essential accessory for achieving the ideal reaches and focus during complex microscopic tasks","Optical Compatibility: Available in multiple inner diameters ( 28mm-37mm), these eye are suitable for stereo microscopes, wide-angle lenses, and various binoculars A versatile for, hobbyists, and professional technicians"]