Tangxi 2Pcs Soft Rubber Eyepiece Eye Shield, 42 to 48mm Binocular Microscope Eye Guards Cups, Professional Collapsible Eyepiece Covers for 1.65 ro 1.89in Lens

SUPERIOR PERFORMANCE: Microscopes rubber eyecups provide better viewing with out interference from external light sources.
PREMIUM MATERIAL: Rubber eyepiece eyeshields are manufactured from rubber, foldable, simple to make use of, durable and practical.
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.
EYE PROTECTION: Microscope eyepiece eyeshields are designed to cut back affect and higher guard your eyes.
PRACTICAL TOOL: Microscope eyepiece eyeshields lend a hand to create the very best distance between the attention and the tentacle.