ITEM NAME:WF5X Microscope Widefield Eyepieces (20mm) Description: WF5X/20mm widefield eyepiece. 5x magnification eyepiece lens. 20mm wide field of view. 23.2mm Interface suitable for Biological Microscopes. It is Achromatic (International DIN/JIS) standard size with outside diameter of approx 23.2 mm. Specification: Feature:Wide Angle Material: Optical Glass + Metal Magnification: WF5X Field of View: 20mm Mounting Size:23.2mm Suit for Biological Microscope Package Includes: 1 Piece WF5X Widefield Eyepiece SKU: ALU0011571477008723.Magnification: WF5X. 1 Piece WF5X Widefield Eyepiece. WF5X/20mm widefield eyepiece. Suit for Biological Microscope. 20mm wide field of view. Field of View: 20mm. SKU: ALU0011571477008723. Mounting Size:23.2mm.