Description Designed for precision and comfort, this eyepiece rubber eyecup is crafted from high elasticity material to fit microscope eyepiece, providing reliable light shielding and minimizing external glare. It is an ideal microscope accessory for research, and field observations, ensuring stable image clarity and protection during prolonged use. Features -Note: Suitable for eyepieces with an outer diameter of 32mm~34mm -Eye Cup Angle thickness: 4mm -Color:Black -Material:rubber -Size:3.80X3.80X2.10cm/1.50X1.50X0.83in -Premium Comfort: Made from high elasticity rubber eyepiece for microscope, these eyecups ensure a soft and fatiguefree fit, perfect for extended viewing sessions -Vision Stability: Our antishake binocular eyepiece cover delivers a stable and clear image, ideal for both education and scientific applications -Nice Compatibility: Designed as microscope eyepiece protector, these rubber eye cups precisely fit various microscope models, supporting demanding field tasks -Light Blocking Efficiency: The optics eyepiece protector effectively shields against ambient light, optimizing dark field observations and enhancing experimental accuracy under all lighting -Portable and Easy Use: These binocular replacement eye cups are lightweight, easy to install and remove, making them ideal as spotting scope eye cup covers for researchers and students Package list: 2 x Microscope Eyepiece Cover