GOWENIC 2pcs Microscope Eyepiece Eyeshields, Eyepiece Rubber Eyecups, Oversized Bull's Eye Collapsible Eyecups, Mono Binocular Tracers Accessories, for Eye Protection

Feature: 1. SUPERIOR PERFORMANCE: Microscopes rubber eyecups provide better viewing without interference from external light sources. 2. PREMIUM MATERIAL: Rubber eyepiece eyeshields are made of rubber, foldable, easy to use, durable and practical. 3. APPLICABLE: Eyepiece eyecups have an inner diameter of 27mm/1.06in and are suitable for microscope eyepieces, monoculars and binoculars of 42‑48mm/1.65‑1.89in. 4. EYE PROTECTION: Microscope eyepiece eyeshields are designed to reduce impact and better guard your eyes. 5. PRACTICAL TOOL: Microscope eyepiece eyeshields help to create the perfect distance between the eye and the tentacle. Specification: Item Type: Microscope Eyepiece Eyeshields Material: Rubber Size: Height: Approx. 38 mm/1.50in Diameter: Approx. 46 mm/1.81in Aperture: Approx. 27 mm/1.06in Suitable for 42-48mm/1.65-1.89in Lens Package List: 2 x Microscope Eyepiece Eyeshields Note: Please allow for some errors in manual measurements.