Item Type: Microscope Eyepiece Eyeshields <br>Material: Rubber <br>Size: <br>Height: Approx. 38 mm/1.50in <br>Diameter: Approx. 46 mm/1.81in <br>Aperture: Approx. 27 mm/1.06in <br>Suitable for 42-48mm/1.65-1.89in Lens<br>1、SUPERIOR PERFORMANCE: Microscopes rubber eyecups provide better viewing without interference from external light sources. <br>2、PREMIUM MATERIAL: Rubber eyepiece eyeshields are made of rubber, foldable, easy to use, durable and practical. <br>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. <br>4、EYE PROTECTION: Microscope eyepiece eyeshields are designed to reduce impact and better guard your eyes. <br>5、PRACTICAL TOOL: Microscope eyepiece eyeshields help to create the perfect distance between the eye and the tentacle.Please allow for some errors in manual measurements.2 x&nbsp;Microscope&nbsp;Eyepiece&nbsp;Eyeshields