Rubber eye guards shields Black, 65mm Key benefits Protects eyepiece surfaces from oils, dust, and wear, extending the life of optical components. Improves viewing consistency by reducing stray light and unwanted reflections at the eye point. Comfortable fit for extended use thanks to rubber construction that is flexible yet durable. Quick to install and remove, providing a reliable replacement for worn or missing eyecups. Product highlights Color: Black for low reflectivity and a professional appearance. Length: 65mm for ample eye coverage and stable positioning. Material: rubber material is used for resilience and gentle contact with eyepieces. Compatibility: Designed for mounting diameters 3338mm. Suitable for monoculars and other optical components. Practical applications Laboratory microscopy: Fits common monocular eyepieces to help control ambient light and protect eyepiece lenses during routine specimen examination. Field observation: Use on handheld monoculars and compact optics to improve comfort and viewing stability during outdoor observation. Equipment maintenance: Ideal as a replacement eyecup for microscopes or optical devices that require a 3338mm mounting diameter. Additional accessories We also offer a comprehensive selection of accessories designed to enhance your microscopy experience. From objectives to slide preparation kits, we have everything you need to optimize your microscope performance.