Stereo microscope eyepiece eyeshield set, model KP H3. Two rubber eye cups designed to worn or damaged eyepiece covers and to improve comfort and viewing stability during extended use. Key benefits Prevents direct contact between the eye and the lens to maintain a clear view without smudges or blur. Soft rubber construction provides a comfortable seal and a non slip grip for more stable observation. Flat angle design folds for convenient positioning and easy storage. Quick to install and remove, making replacement and sharing between microscopes simple. Main features Item type: Stereo Microscope Eyepiece Eyeshield Model: KP H3 Material: Rubber, soft and flexible Type: Flat angle, foldable Diameter: Approx. 44 mm / 1.73 in Thickness: Approx. 1 mm / 0.04 in Compatibility: Fits microscope eyepieces with 40 to 42 mm interface Package: 2 eyepiece eyeshields How to use Slide the eyeshield onto the eyepiece until it seats securely. Fold or adjust the flat angle as needed for comfort and field of view. Typical applications Laboratory and classroom microscopes where multiple users require hygienic, easy to eyecups. Hobbyist and maker projects such as electronics inspection, watch , or model work that use stereo microscopes. Field or industrial inspection where improved eye comfort and a stable viewing position reduce fatigue. What makes it suitable Simple, durable replacement part that restores comfort and prevents lens contact without altering optical performance. The KP H3 fits common 40 to 42 mm eyepiece interfaces and comes as a pair for stereo microscopes.