An eyepiece with diopter adjustment is a wide-field eyepiece with powerful magnification designed especially for Levenhuk MED 900 and Levenhuk MED 1000 Microscopes. You can also install it in different microscopes with a 30 mm eyepiece tube diameter. It is a wonderful addition to your collection of optical accessories; it will also extend the range of available magnifications. All of the optical elements are made of glass, which is why this eyepiece allows for observing specimens in detail and ensures good image contrast. Eyepiece barrel diameter is 30 mm. Body material - metal. Eyepiece diopter adjustment, diopters/td>: ±5. Magnification: 20x. Field of view: 12 mm. Barrel diameter: 30 mm.