ITEM NAME:1Pcs Biological Microscope Widefield Eyepiece WF20X magnification Ocular Lens Description: WF20X widefield eyepiece. 20X magnification eyepiece lens. 30mm Interface suitable for Biological Microscopes. It is Achromatic (International DIN/JIS) standard size with outside diameter of approx 30 mm. Specification: Feature:Wide Angle Material: Metal Magnification: 20X Mount: 30mm, Suit for Biological Microscope Package Includes: 1 Piece WF20X Widefield Eyepiece SKU: FUZ0028185477008736.WF20X widefield eyepiece. 1 Piece WF20X Widefield Eyepiece. 20X magnification eyepiece lens. Mount: 30mm, Suit for Biological Microscope. 30mm Interface suitable for Biological Microscopes. Magnification: 20X.