2pcs Rubber Eye Cups 27mm Inner Diameter Foldable Eyepiece Cover for Microscope Ocular Instrument

Feature: 1. Premium Material: Telescopes eye cups are made of rubber, which is safe, non toxic, environmentally friendly and sturdy, and has a long service life. 2. Excellent Observation Effect: After adding telescopes eye cups, there is no external light source interference, and the observation effect is better. 3. Applicable: Eye Cups have an inner diameter of 27mm1.06in, and are suitable for 29‑32 mm1.14‑1.26 in microscope eyepieces, monocular binoculars and other eyepieces. 4. Eye Protection: Eye cups help to create the perfect distance between eyes and tentacles, aiming to reduce the impact and better guard your eyes. 5. Easy to Store and Carry: Rubber eyepiece cover is foldable, easy to carry and store, easy to use, sturdy and practical. Specification: Item Type: Eye Cups Material: Rubber S Size Horn Eye Cups Inner Diameter: Approx. 27mm1.06in Suitable for 29-32mm1.14-1.26in Lens. Package List: 2 x Eye Cups Note: Please allow some error for manual measurement.