Description: - 30mm/1.18inch interface diameter biological microscope wide-angle eyepiece universal, 30X magnification eyepiece lens - Metallic lens barrel, high-quality optical lens, anti-reflection coating, wide view, high light transmittance and high refractive index, bright and clear image. - Wide-angle eyepieces view more than 50% larger than ordinary eyepieces, the effect is clearer, the glasses are not easy to fatigue when viewing, protect your vision. - Please check carefully whether the interface diameter of your products is consistent with that of our products before purchase. - Package Includes: 1Piece WF30X Widefield Microscope Eyepiece with Eyeshield Specification: Feature: Wide Angle Magnification: 30X Mount interface diameter: 30mm View Field: 20mm Material: Metal Package Includes: 1 Piece WF30X Widefield Microscope Eyepiece with Eyeshield Note: Please allow 0-1cm difference due to manual measurement.(1cm=0.39inch, 1inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand. Thank you!